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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html><head><title>openMSP430 Software Development Tools</title></head><body>
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<h3>Table of content</h3>
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<ul>
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        <li><a href="#1.%20Introduction">                        1. Introduction</a></li>
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        <li><a href="#2.%20openmsp430-loader">                   2. openmsp430-loader</a></li>
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        <li><a href="#3.%20openmsp430-minidebug">                3. openmsp430-minidebug</a></li>
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        <li><a href="#4.%20openmsp430-gdbproxy">                 4. openmsp430-gdbproxy</a></li>
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        <li><a href="#5.%20MSPGCC(4)%20Toolchain">               5. MSPGCC(4) Toolchain</a>
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        <ul>
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           <li><a href="#5.1%20Compiler%20options">                    5.1 Compiler options</a></li>
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           <li><a href="#5.2%20MCU%20selection">                       5.2 MCU selection</a></li>
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           <li><a href="#5.3%20Custom%20linker%20script">              5.3 Custom linker script</a></li>
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        </ul>
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   </li>
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</ul>
17 
 
18 
<a name="1. Introduction"></a>
19 
<h1>1. Introduction</h1>
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Building on the serial debug interface capabilities provided by the openMSP430, three small utility programs are provided:
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<ul>
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        <li><b>openmsp430-loader:</b> a simple command line boot loader.</li>
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        <li><b>openmsp430-minidebug:</b> a minimalistic debugger with simple GUI.</li>
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        <li><b>openmsp430-gdbproxy:</b> GDB Proxy server to be used together with MSP430-GDB and the Eclipse, DDD, or Insight graphical front-ends.</li>
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</ul>
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All these software development tools have been developed in TCL/TK and were successfully tested on both Linux and Windows (XP/Vista/7).
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<br><br>
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<b>Note:</b> in order to be able to directly execute the scripts, <a href="http://www.tcl.tk/software/tcltk/">TCL/TK</a>
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needs to be installed on your system. Optionally for Windows users, the scripts can be turned into single-file binary executable programs
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using <a href="http://freewrap.sourceforge.net/">freeWrap</a> by running/clicking the <i>"tools/freewrap642/generate_exec.bat"</i> file provided in the project repository.
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34 
 
35 
<a name="2. openmsp430-loader"></a>
36 
<h1>2. openmsp430-loader</h1>
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This simple program allows the user to load the openMSP430 program
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memory with an executable file (ELF or Intel-HEX format) provided as argument.<br>
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It is typically used in conjunction with '<b><i>make</i></b>' in order to automatically load the program after the compile step (see '<b><i>Makefile</i></b>' from software examples provided with the project's FPGA implementation).<br>
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The program can be called with the following syntax:
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<br><br>
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<table border="0" cellpadding="0" cellspacing="4">
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<tbody><tr>
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<td width="35"><br>
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</td>
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<td bgcolor="#d0d0d0" width="3"><br>
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</td>
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<td width="15"><br>
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</td>
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<td>
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        <code>openmsp430-loader.tcl [-device &lt;communication device&gt;] [-baudrate &lt;communication speed&gt;] &lt;elf/ihex-file&gt;
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<br><br>
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Examples: openmsp430-loader.tcl -device /dev/ttyUSB0 -baudrate  9600  leds.elf<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;openmsp430-loader.tcl
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-device COM2: -baudrate 38400 ta_uart.ihex </code>
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</td>
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</tr>
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</tbody></table>
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<br>
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These screenshots show the script in action under Linux and Windows:
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<br><br>
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<img src="usercontent,img,1306525377" alt="openmsp430-loader Linux" title="openmsp430-loader Linux"  width="75%"/>
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<br><br>
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<img src="getimg.php?1249244501" alt="openmsp430-loader Windows" title="openmsp430-loader Windows" width="75%"/>
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<br>
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<a name="3. openmsp430-minidebug"></a>
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<h1>3. openmsp430-minidebug</h1>
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This small program provides a minimalistic graphical interface enabling simple interaction with the openMSP430:
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<br><br>
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<img src="usercontent,img,1306665243" alt="openmsp430-minidebug" title="openmsp430-minidebug" width="75%"/>
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<br><br>
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As you can see from the screenshot, it allows the following actions:
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<ul>
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        <li><b><font color="#ff0000">(1)</font></b>&nbsp;&nbsp;Connect to the openMSP430 Serial Debug Interface.</li>
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        <li><b><font color="#ff0000">(2)</font></b>&nbsp;&nbsp;Load the program memory with an ELF or Intel-HEX file</li>
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        <li><b><font color="#ff0000">(3)</font></b>&nbsp;&nbsp;Control the CPU: Reset, Stop, Start, Single-Step and Software breakpoints</li>
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        <li><b><font color="#ff0000">(4)</font></b>&nbsp;&nbsp;Read/Write access of the CPU registers</li>
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        <li><b><font color="#ff0000">(5)</font></b>&nbsp;&nbsp;Read/Write access of the whole memory range (program, data, peripherals)</li>
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        <li><b><font color="#ff0000">(6)</font></b>&nbsp;&nbsp;Basic disassembled view of the loaded program (current PC location is highlighted in green, software breakpoints in yellow, pink and violet)</li>
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        <li><b><font color="#ff0000">(7)</font></b>&nbsp;&nbsp;Choose the disassembled view type</li>
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        <li><b><font color="#ff0000">(8)</font></b>&nbsp;&nbsp;Source a custom external TCL script</li>
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</ul>
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<a name="4. openmsp430-gdbproxy"></a>
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<h1>4. openmsp430-gdbproxy</h1>
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The purpose of this program is to replace the '<b><i>msp430-gdbproxy</i></b>' utility provided by the mspgcc toolchain.<br>
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Typically, a GDB proxy creates a local port for gdb to connect to, and
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handles the communication with the target hardware. In our case, it is
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basically a bridge between the RSP communication protocol from GDB and
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the serial debug interface from the openMSP430.<br>
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Schematically the communication flow looks as following:
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<br><br>
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<img src="getimg.php?1248897690" alt="GDB Proxy flow" title="GDB Proxy flow" width="40%"/>
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<br><br>
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Like the original '<b><i>msp430-gdbproxy</i></b>' program, '<b><i>openmsp430-gdbproxy</i></b>' can be controlled from the command line. However, it also provides a small graphical interface:
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<br><br>
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<img src="usercontent,img,1306525816" alt="gdbproxy" title="gdbproxy"  width="60%"/>
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<br><br>
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These two additional screenshots show the script in action together with the Eclipse and DDD graphical frontends:
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<br><br>
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<img src="usercontent,img,1306525935" alt="gdbproxy-Eclipse" title="gdbproxy-Eclipse"  width="100%"/>
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<br><br>
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<img src="usercontent,img,1306526049" alt="gdbproxy-DDD" title="gdbproxy-DDD" width="100%"/>
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<br><br>
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<b>Tip:</b> There are several tutorials on Internet explaining how to
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configure Eclipse for the MSP430. As an Eclipse newbie, I found the
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followings quite helpful (the <b><i>msp430-gdbproxy</b></i> sections should of course be ignored as we are using our own <b><i>openmsp430-gdbproxy</b></i> program :-) ):
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<ul>
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        <li><a href="http://www.43oh.com/2010/11/a-step-by-step-guide-msp430-programming-under-linux/">A Step By Step Guide To MSP430 Programming Under Linux</a> (English)</li>
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        <li><a href="http://www.mikrocontroller.net/articles/MSP430_eclipse_helios_mspgcc4_gdb-proxy">MSP430 eclipse helios mspgcc4</a> (German)</li>
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</ul>
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<a name="5. MSPGCC(4) Toolchain"></a>
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<h1>5. MSPGCC(4) Toolchain</h1>
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<a name="5.1 Compiler options"></a>
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<h2>5.1 Compiler options</h2>
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The <b>msp430-gcc</b> compiler accepts the following MSP430 specific command line parameters (copied from the MSPGCC <a href="http://mspgcc.sourceforge.net/manual/c745.html">manual page</a>):
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<br><br>
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<table align="center" border="1">
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<tbody>
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<tr><td>-mmcu=                  </td><td>Specify the MCU name                                                                     </td></tr>
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<tr><td>-mno-volatile-workaround</td><td>Do not perform a volatile workaround for bitwise operations.                             </td></tr>
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<tr><td>-mno-stack-init         </td><td>Do not initialize the stack as <i>main()</i>starts.                                     </td></tr>
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<tr><td>-minit-stack=           </td><td>Specify the initial stack address.                                                       </td></tr>
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<tr><td>-mendup-at=             </td><td>Jump to the specified routine at the end of <i>main()</i>.                              </td></tr>
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<tr><td>-mforce-hwmul           </td><td>Force use of a hardware multiplier.                                                      </td></tr>
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<tr><td>-mdisable-hwmul         </td><td>Do not use the hardware multiplier.                                                      </td></tr>
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<tr><td>-minline-hwmul          </td><td>Issue inline code for 32-bit integer operations for devices with a hardware multiplier.  </td></tr>
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<tr><td>-mnoint-hwmul           </td><td>Do not disable and enable interrupts around hardware multiplier operations. This makes
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                                           multiplication faster when you are certain no hardware multiplier operations will occur
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                                           at deeper interrupt levels.                                                               </td></tr>
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<tr><td>-mcall-shifts           </td><td>Use subroutine calls for shift operations. This may save some space for shift intensive
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                                           applications.                                                                             </td></tr>
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</tbody>
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</table>
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<br>
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140 
<a name="5.2 MCU selection"></a>
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<h2>5.2 MCU selection</h2>
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The following table aims to help selecting the proper MCU name for the <b>-mmcu</b> <a href="http://mspgcc.sourceforge.net/manual/c745.html">option</a> during the <b>msp430-gcc</b> call:
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<br><br>
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<table align="center" border="1">
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<tbody><tr align="center"><td><b>-mmcu option</b></td><td><b>&nbsp;&nbsp;Program&nbsp;&nbsp;<br>Memory</b></td><td><b>Data<br>&nbsp;&nbsp;&nbsp;Memory&nbsp;&nbsp;&nbsp;</b></td><td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Hardware<br>
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&nbsp; Multiplier&nbsp; </span><br>
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      </td>
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</tr>
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<tr align="center"><td rowspan="1" colspan="4"><b><i>Program Memory Size: 1 kB</i></b></td></tr>
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<tr align="center"><td>msp430x110  </td><td> 1 kB</td><td>  128 B</td><td style="vertical-align: top;">No<br>
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      </td>
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</tr>
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<tr align="center"><td>msp430x1101 </td><td> 1 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2001 </td><td> 1 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2002 </td><td> 1 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2003 </td><td> 1 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2101 </td><td> 1 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td rowspan="1" colspan="4"><b><i>Program Memory Size: 2 kB</i></b></td></tr>
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<tr align="center"><td>msp430x1111 </td><td> 2 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2011 </td><td> 2 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2012 </td><td> 2 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2013 </td><td> 2 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2111 </td><td> 2 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2112 </td><td> 2 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x311  </td><td> 2 kB</td><td>  128 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td rowspan="1" colspan="4"><b><i>Program Memory Size: 4 kB</i></b></td></tr>
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<tr align="center"><td>msp430x112  </td><td> 4 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x1121 </td><td> 4 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x1122 </td><td> 4 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x122  </td><td> 4 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x1222 </td><td> 4 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2122 </td><td> 4 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2121 </td><td> 4 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x312  </td><td> 4 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x412  </td><td> 4 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td rowspan="1" colspan="4"><b><i>Program Memory Size: 8 kB</i></b></td></tr>
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<tr align="center"><td>msp430x123  </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x133  </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x313  </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x323  </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x413  </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x423  </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
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      </td>
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</tr>
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<tr align="center"><td>msp430xE423 </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
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      </td>
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</tr>
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<tr align="center"><td>msp430xE4232</td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
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      </td>
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</tr>
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<tr align="center"><td>msp430xW423 </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x1132 </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x1232 </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x1331 </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2131 </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2132 </td><td> 8 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2232 </td><td> 8 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2234 </td><td> 8 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x233  </td><td> 8 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
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      </td>
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</tr>
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<tr align="center"><td>msp430x2330 </td><td> 8 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
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      </td>
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</tr>
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    <tr align="center">
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      <td colspan="4" rowspan="1" style="vertical-align: top;"><b><i>Program Memory Size: 12 kB</i></b></td>
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    </tr>
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    <tr>
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      <td style="vertical-align: top; text-align: center;">msp430xE4242<br>
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      </td>
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      <td style="vertical-align: top; text-align: center;">12 kB</td>
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      <td style="vertical-align: top; text-align: center;">  512 B</td>
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      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span><br>
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      </td>
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    </tr>
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    <tr>
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      <td style="vertical-align: top; text-align: center;">msp430x314<br>
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      </td>
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      <td style="vertical-align: top; text-align: center;">12 kB</td>
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      <td style="vertical-align: top; text-align: center;">  512 B<br>
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      </td>
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      <td style="vertical-align: top; text-align: center;">No<br>
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      </td>
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    </tr>
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<tr align="center"><td rowspan="1" colspan="4"><b><i>Program Memory Size: 16 kB</i></b></td></tr>
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<tr align="center"><td>msp430x4250 </td><td>16 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430xG4250</td><td>16 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x135  </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x1351 </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x155  </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2252 </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x2254 </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x315  </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x325  </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x415  </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430x425  </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
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      </td>
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</tr>
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<tr align="center"><td>msp430xE425 </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
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      </td>
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</tr>
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<tr align="center"><td>msp430xW425 </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
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<tr align="center"><td>msp430xE4252</td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
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      </td>
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</tr>
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<tr align="center"><td>msp430x435  </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
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</tr>
294 
<tr align="center"><td>msp430x4351 </td><td>16 kB</td><td>  512 B</td><td style="vertical-align: top;">No</td>
295 
</tr>
296 
<tr align="center"><td>msp430x235  </td><td>16 kB</td><td> 2048 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
297 
      </td>
298 
</tr>
299 
<tr align="center"><td>msp430x2350 </td><td>16 kB</td><td> 2048 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
300 
      </td>
301 
</tr>
302 72 olivier.gi 
    <tr align="center">
303 
      <td colspan="4" rowspan="1" style="vertical-align: top;"><b><i>Program Memory Size: 24 kB</i></b></td>
304 
    </tr>
305 
    <tr>
306 
      <td style="vertical-align: top; text-align: center;">msp430x4260<br>
307 
      </td>
308 
      <td style="vertical-align: top; text-align: center;">24 kB<br>
309 
      </td>
310 
      <td style="vertical-align: top; text-align: center;">256 B<br>
311 
      </td>
312 
      <td style="vertical-align: top; text-align: center;">No<br>
313 
      </td>
314 
    </tr>
315 
    <tr>
316 
      <td style="vertical-align: top; text-align: center;">msp430xG4260<br>
317 
      </td>
318 
      <td style="vertical-align: top; text-align: center;">24 kB<br>
319 
      </td>
320 
      <td style="vertical-align: top; text-align: center;">256 B<br>
321 
      </td>
322 
      <td style="vertical-align: top; text-align: center;">No<br>
323 
      </td>
324 
    </tr>
325 
    <tr>
326 
      <td style="vertical-align: top; text-align: center;">msp430x156<br>
327 
      </td>
328 
      <td style="vertical-align: top; text-align: center;">24 kB<br>
329 
      </td>
330 
      <td style="vertical-align: top; text-align: center;">512 B<br>
331 
      </td>
332 
      <td style="vertical-align: top; text-align: center;">No<br>
333 
      </td>
334 
    </tr>
335 
    <tr>
336 
      <td style="vertical-align: top; text-align: center;">msp430x4361<br>
337 
      </td>
338 
      <td style="vertical-align: top; text-align: center;">24 kB<br>
339 
      </td>
340 
      <td style="vertical-align: top; text-align: center;">1024 B<br>
341 
      </td>
342 
      <td style="vertical-align: top; text-align: center;">No<br>
343 
      </td>
344 
    </tr>
345 
    <tr>
346 
      <td style="vertical-align: top; text-align: center;">msp430x436<br>
347 
      </td>
348 
      <td style="vertical-align: top; text-align: center;">24 kB<br>
349 
      </td>
350 
      <td style="vertical-align: top; text-align: center;">1024 B<br>
351 
      </td>
352 
      <td style="vertical-align: top; text-align: center;">No<br>
353 
      </td>
354 
    </tr>
355 
    <tr>
356 
      <td style="vertical-align: top; text-align: center;">msp430x336<br>
357 
      </td>
358 
      <td style="vertical-align: top; text-align: center;">24 kB<br>
359 
      </td>
360 
      <td style="vertical-align: top; text-align: center;">1024 B<br>
361 
      </td>
362 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span><br>
363 
      </td>
364 
    </tr>
365 69 olivier.gi 
<tr align="center"><td rowspan="1" colspan="4"><b><i>Program Memory Size: 32 kB</i></b></td></tr>
366 
<tr align="center"><td>msp430x4270 </td><td>32 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
367 
</tr>
368 
<tr align="center"><td>msp430xG4270</td><td>32 kB</td><td>  256 B</td><td style="vertical-align: top;">No</td>
369 
</tr>
370 
<tr align="center"><td>msp430x147  </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
371 
      </td>
372 
</tr>
373 
<tr align="center"><td>msp430x1471 </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
374 
      </td>
375 
</tr>
376 
<tr align="center"><td>msp430x157  </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;">No</td>
377 
</tr>
378 
<tr align="center"><td>msp430x167  </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
379 
      </td>
380 
</tr>
381 
<tr align="center"><td>msp430x2272 </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;">No</td>
382 
</tr>
383 
<tr align="center"><td>msp430x2274 </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;">No</td>
384 
</tr>
385 
<tr align="center"><td>msp430x337  </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
386 
      </td>
387 
</tr>
388 
<tr align="center"><td>msp430x417  </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;">No</td>
389 
</tr>
390 
<tr align="center"><td>msp430x427  </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
391 
      </td>
392 
</tr>
393 
<tr align="center"><td>msp430xE427 </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
394 
      </td>
395 
</tr>
396 
<tr align="center"><td>msp430xE4272</td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
397 
      </td>
398 
</tr>
399 
<tr align="center"><td>msp430xW427 </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;">No</td>
400 
</tr>
401 
<tr align="center"><td>msp430x437  </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;">No</td>
402 
</tr>
403 
<tr align="center"><td>msp430xG437 </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;">No</td>
404 
</tr>
405 
<tr align="center"><td>msp430x4371 </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;">No</td>
406 
</tr>
407 
<tr align="center"><td>msp430x447  </td><td>32 kB</td><td> 1024 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
408 
      </td>
409 
</tr>
410 
<tr align="center"><td>msp430x2370 </td><td>32 kB</td><td> 2048 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
411 
      </td>
412 
</tr>
413 
<tr align="center"><td>msp430x247  </td><td>32 kB</td><td> 4096 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
414 
      </td>
415 
</tr>
416 
<tr align="center"><td>msp430x2471 </td><td>32 kB</td><td> 4096 B</td><td style="vertical-align: top;"><span style="font-weight: bold;">Yes</span><br>
417 
      </td>
418 72 olivier.gi 
</tr><tr>
419 
      <td style="vertical-align: top; text-align: center;">msp430x1610<br>
420 
      </td>
421 
      <td style="vertical-align: top; text-align: center;">32 kB</td>
422 
      <td style="vertical-align: top; text-align: center;">5120 B<br>
423 
      </td>
424 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span><br>
425 
      </td>
426 
    </tr>
427 
    <tr align="center">
428 
      <td colspan="4" rowspan="1" style="vertical-align: top;"><b><i>Program Memory Size: 41 kB</i></b></td>
429 
    </tr>
430 
    <tr>
431 
      <td style="vertical-align: top; text-align: center;">msp430x5438<br>
432 
      </td>
433 
      <td style="vertical-align: top; text-align: center;">41 kB<br>
434 
      </td>
435 
      <td style="vertical-align: top; text-align: center;">16384 B<br>
436 
      </td>
437 
      <td style="vertical-align: top; text-align: center;">No
438 
      </td>
439 
    </tr>
440 
    <tr>
441 
      <td style="vertical-align: top; text-align: center;">msp430x5437<br>
442 
      </td>
443 
      <td style="vertical-align: top; text-align: center;">41 kB<br>
444 
      </td>
445 
      <td style="vertical-align: top; text-align: center;">16384 B<br>
446 
      </td>
447 
      <td style="vertical-align: top; text-align: center;">No
448 
      </td>
449 
    </tr>
450 
    <tr>
451 
      <td style="vertical-align: top; text-align: center;">msp430x5436<br>
452 
      </td>
453 
      <td style="vertical-align: top; text-align: center;">41 kB<br>
454 
      </td>
455 
      <td style="vertical-align: top; text-align: center;">16384 B<br>
456 
      </td>
457 
      <td style="vertical-align: top; text-align: center;">No
458 
      </td>
459 
    </tr>
460 
    <tr>
461 
      <td style="vertical-align: top; text-align: center;">msp430x5435<br>
462 
      </td>
463 
      <td style="vertical-align: top; text-align: center;">41 kB<br>
464 
      </td>
465 
      <td style="vertical-align: top; text-align: center;">16384 B<br>
466 
      </td>
467 
      <td style="vertical-align: top; text-align: center;">No
468 
      </td>
469 
    </tr>
470 
    <tr>
471 
      <td style="vertical-align: top; text-align: center;">msp430x5419<br>
472 
      </td>
473 
      <td style="vertical-align: top; text-align: center;">41 kB<br>
474 
      </td>
475 
      <td style="vertical-align: top; text-align: center;">16384 B<br>
476 
      </td>
477 
      <td style="vertical-align: top; text-align: center;">No
478 
      </td>
479 
    </tr>
480 
    <tr>
481 
      <td style="vertical-align: top; text-align: center;">msp430x5418<br>
482 
      </td>
483 
      <td style="vertical-align: top; text-align: center;">41 kB<br>
484 
      </td>
485 
      <td style="vertical-align: top; text-align: center;">16384 B<br>
486 
      </td>
487 
      <td style="vertical-align: top; text-align: center;">No
488 
      </td>
489 
    </tr>
490 
    <tr align="center">
491 
      <td colspan="4" rowspan="1" style="vertical-align: top;"><b><i>Program Memory Size: 48 kB</i></b></td>
492 
    </tr>
493 
    <tr>
494 
      <td style="vertical-align: top; text-align: center;">msp430x1611<br>
495 
      </td>
496 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
497 
      </td>
498 
      <td style="vertical-align: top; text-align: center;">10240 B<br>
499 
      </td>
500 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
501 
      </td>
502 
    </tr>
503 
    <tr>
504 
      <td style="vertical-align: top; text-align: center;">msp430x248<br>
505 
      </td>
506 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
507 
      </td>
508 
      <td style="vertical-align: top; text-align: center;">4096 B<br>
509 
      </td>
510 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
511 
      </td>
512 
    </tr>
513 
    <tr>
514 
      <td style="vertical-align: top; text-align: center;">msp430x2481<br>
515 
      </td>
516 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
517 
      </td>
518 
      <td style="vertical-align: top; text-align: center;">4096 B
519 
      </td>
520 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
521 
      </td>
522 
    </tr>
523 
    <tr>
524 
      <td style="vertical-align: top; text-align: center;">msp430x4783<br>
525 
      </td>
526 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
527 
      </td>
528 
      <td style="vertical-align: top; text-align: center;">2048 B<br>
529 
      </td>
530 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
531 
      </td>
532 
    </tr>
533 
    <tr>
534 
      <td style="vertical-align: top; text-align: center;">msp430xG438<br>
535 
      </td>
536 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
537 
      </td>
538 
      <td style="vertical-align: top; text-align: center;">2048 B
539 
      </td>
540 
      <td style="vertical-align: top; text-align: center;">No
541 
      </td>
542 
    </tr>
543 
    <tr>
544 
      <td style="vertical-align: top; text-align: center;">msp430x4784<br>
545 
      </td>
546 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
547 
      </td>
548 
      <td style="vertical-align: top; text-align: center;">2048 B
549 
      </td>
550 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
551 
      </td>
552 
    </tr>
553 
    <tr>
554 
      <td style="vertical-align: top; text-align: center;">msp430x148<br>
555 
      </td>
556 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
557 
      </td>
558 
      <td style="vertical-align: top; text-align: center;">2048 B
559 
      </td>
560 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
561 
      </td>
562 
    </tr>
563 
    <tr>
564 
      <td style="vertical-align: top; text-align: center;">msp430x168<br>
565 
      </td>
566 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
567 
      </td>
568 
      <td style="vertical-align: top; text-align: center;">2048 B
569 
      </td>
570 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
571 
      </td>
572 
    </tr>
573 
    <tr>
574 
      <td style="vertical-align: top; text-align: center;">msp430x1481<br>
575 
      </td>
576 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
577 
      </td>
578 
      <td style="vertical-align: top; text-align: center;">2048 B
579 
      </td>
580 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
581 
      </td>
582 
    </tr>
583 
    <tr>
584 
      <td style="vertical-align: top; text-align: center;">msp430x448<br>
585 
      </td>
586 
      <td style="vertical-align: top; text-align: center;">48 kB<br>
587 
      </td>
588 
      <td style="vertical-align: top; text-align: center;">2048 B
589 
      </td>
590 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
591 
      </td>
592 
    </tr>
593 
    <tr align="center">
594 
      <td colspan="4" rowspan="1" style="vertical-align: top;"><b><i>Program Memory Size: 51 kB</i></b></td>
595 
    </tr>
596 
    <tr>
597 
      <td style="vertical-align: top; text-align: center;">msp430xG4617<br>
598 
      </td>
599 
      <td style="vertical-align: top; text-align: center;">51 kB<br>
600 
      </td>
601 
      <td style="vertical-align: top; text-align: center;">8192 B<br>
602 
      </td>
603 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
604 
      </td>
605 
    </tr>
606 
    <tr>
607 
      <td style="vertical-align: top; text-align: center;">msp430x2418<br>
608 
      </td>
609 
      <td style="vertical-align: top; text-align: center;">51 kB<br>
610 
      </td>
611 
      <td style="vertical-align: top; text-align: center;">8192 B<br>
612 
      </td>
613 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
614 
      </td>
615 
    </tr>
616 
    <tr>
617 
      <td style="vertical-align: top; text-align: center;">msp430x2618<br>
618 
      </td>
619 
      <td style="vertical-align: top; text-align: center;">51 kB<br>
620 
      </td>
621 
      <td style="vertical-align: top; text-align: center;">8192 B<br>
622 
      </td>
623 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
624 
      </td>
625 
    </tr>
626 
    <tr>
627 
      <td style="vertical-align: top; text-align: center;">msp430x2417<br>
628 
      </td>
629 
      <td style="vertical-align: top; text-align: center;">51 kB<br>
630 
      </td>
631 
      <td style="vertical-align: top; text-align: center;">8192 B<br>
632 
      </td>
633 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
634 
      </td>
635 
    </tr>
636 
    <tr>
637 
      <td style="vertical-align: top; text-align: center;">msp430xG4618<br>
638 
      </td>
639 
      <td style="vertical-align: top; text-align: center;">51 kB<br>
640 
      </td>
641 
      <td style="vertical-align: top; text-align: center;">8192 B<br>
642 
      </td>
643 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
644 
      </td>
645 
    </tr>
646 
 
647 
    <tr>
648 
      <td style="vertical-align: top; text-align: center;">msp430x2617<br>
649 
      </td>
650 
      <td style="vertical-align: top; text-align: center;">51 kB<br>
651 
      </td>
652 
      <td style="vertical-align: top; text-align: center;">8192 B<br>
653 
      </td>
654 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
655 
      </td>
656 
    </tr>
657 
    <tr align="center">
658 
      <td colspan="4" rowspan="1" style="vertical-align: top;"><b><i>Program Memory Size: 54 kB</i></b></td>
659 
    </tr>
660 
    <tr>
661 
      <td style="vertical-align: top; text-align: center;">msp430x1612<br>
662 
      </td>
663 
      <td style="vertical-align: top; text-align: center;">54 kB<br>
664 
      </td>
665 
      <td style="vertical-align: top; text-align: center;">5120 B<br>
666 
      </td>
667 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
668 
      </td>
669 
    </tr>
670 
    <tr align="center">
671 
      <td colspan="4" rowspan="1" style="vertical-align: top;"><b><i>Program Memory Size: 55 kB</i></b></td>
672 
    </tr>
673 
    <tr>
674 
      <td style="vertical-align: top; text-align: center;">msp430x2619<br>
675 
      </td>
676 
      <td style="vertical-align: top; text-align: center;">55 kB<br>
677 
      </td>
678 
      <td style="vertical-align: top; text-align: center;">4096 B<br>
679 
      </td>
680 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
681 
      </td>
682 
    </tr>
683 
    <tr>
684 
      <td style="vertical-align: top; text-align: center;">msp430xG4619<br>
685 
      </td>
686 
      <td style="vertical-align: top; text-align: center;">55 kB<br>
687 
      </td>
688 
      <td style="vertical-align: top; text-align: center;">4096 B<br>
689 
      </td>
690 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
691 
      </td>
692 
    </tr>
693 
    <tr>
694 
      <td style="vertical-align: top; text-align: center;">msp430xG4616<br>
695 
      </td>
696 
      <td style="vertical-align: top; text-align: center;">55 kB<br>
697 
      </td>
698 
      <td style="vertical-align: top; text-align: center;">4096 B<br>
699 
      </td>
700 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
701 
      </td>
702 
    </tr>
703 
    <tr>
704 
      <td style="vertical-align: top; text-align: center;">msp430x2416<br>
705 
      </td>
706 
      <td style="vertical-align: top; text-align: center;">55 kB<br>
707 
      </td>
708 
      <td style="vertical-align: top; text-align: center;">4096 B<br>
709 
      </td>
710 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
711 
      </td>
712 
    </tr>
713 
    <tr>
714 
      <td style="vertical-align: top; text-align: center;">msp430x2419<br>
715 
      </td>
716 
      <td style="vertical-align: top; text-align: center;">55 kB<br>
717 
      </td>
718 
      <td style="vertical-align: top; text-align: center;">4096 B<br>
719 
      </td>
720 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
721 
      </td>
722 
    </tr>
723 
    <tr>
724 
      <td style="vertical-align: top; text-align: center;">msp430x2616<br>
725 
      </td>
726 
      <td style="vertical-align: top; text-align: center;">55 kB<br>
727 
      </td>
728 
      <td style="vertical-align: top; text-align: center;">4096 B<br>
729 
      </td>
730 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
731 
      </td>
732 
    </tr>
733 
    <tr>
734 
      <td style="vertical-align: top; text-align: center;">msp430x2410<br>
735 
      </td>
736 
      <td style="vertical-align: top; text-align: center;">55 kB<br>
737 
      </td>
738 
      <td style="vertical-align: top; text-align: center;">4096 B<br>
739 
      </td>
740 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
741 
      </td>
742 
    </tr>
743 
    <tr align="center">
744 
      <td colspan="4" rowspan="1" style="vertical-align: top;"><b><i>Program Memory Size: 59 kB</i></b></td>
745 
    </tr>
746 
    <tr>
747 
      <td style="vertical-align: top; text-align: center;">msp430x4794<br>
748 
      </td>
749 
      <td style="vertical-align: top; text-align: center;">59 kB<br>
750 
      </td>
751 
      <td style="vertical-align: top; text-align: center;">2560 B<br>
752 
      </td>
753 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
754 
      </td>
755 
    </tr>
756 
    <tr>
757 
      <td style="vertical-align: top; text-align: center;">msp430x4793<br>
758 
      </td>
759 
      <td style="vertical-align: top; text-align: center;">59 kB<br>
760 
      </td>
761 
      <td style="vertical-align: top; text-align: center;">2560 B<br>
762 
      </td>
763 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
764 
      </td>
765 
    </tr>
766 
    <tr>
767 
      <td style="vertical-align: top; text-align: center;">msp430x2491<br>
768 
      </td>
769 
      <td style="vertical-align: top; text-align: center;">59 kB<br>
770 
      </td>
771 
      <td style="vertical-align: top; text-align: center;">2048 B<br>
772 
      </td>
773 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
774 
      </td>
775 
    </tr>
776 
    <tr>
777 
      <td style="vertical-align: top; text-align: center;">msp430x1491<br>
778 
      </td>
779 
      <td style="vertical-align: top; text-align: center;">59 kB<br>
780 
      </td>
781 
      <td style="vertical-align: top; text-align: center;">2048 B<br>
782 
      </td>
783 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
784 
      </td>
785 
    </tr>
786 
    <tr>
787 
      <td style="vertical-align: top; text-align: center;">msp430x149<br>
788 
      </td>
789 
      <td style="vertical-align: top; text-align: center;">59 kB<br>
790 
      </td>
791 
      <td style="vertical-align: top; text-align: center;">2048 B<br>
792 
      </td>
793 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
794 
      </td>
795 
    </tr>
796 
    <tr>
797 
      <td style="vertical-align: top; text-align: center;">msp430xG439<br>
798 
      </td>
799 
      <td style="vertical-align: top; text-align: center;">59 kB<br>
800 
      </td>
801 
      <td style="vertical-align: top; text-align: center;">2048 B<br>
802 
      </td>
803 
      <td style="vertical-align: top; text-align: center;">No<br>
804 
      </td>
805 
    </tr>
806 
    <tr>
807 
      <td style="vertical-align: top; text-align: center;">msp430x249<br>
808 
      </td>
809 
      <td style="vertical-align: top; text-align: center;">59 kB<br>
810 
      </td>
811 
      <td style="vertical-align: top; text-align: center;">2048 B<br>
812 
      </td>
813 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
814 
      </td>
815 
    </tr>
816 
    <tr>
817 
      <td style="vertical-align: top; text-align: center;">msp430x449<br>
818 
      </td>
819 
      <td style="vertical-align: top; text-align: center;">59 kB<br>
820 
      </td>
821 
      <td style="vertical-align: top; text-align: center;">2048 B<br>
822 
      </td>
823 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
824 
      </td>
825 
    </tr>
826 
    <tr>
827 
      <td style="vertical-align: top; text-align: center;">msp430x169<br>
828 
      </td>
829 
      <td style="vertical-align: top; text-align: center;">59 kB<br>
830 
      </td>
831 
      <td style="vertical-align: top; text-align: center;">2048 B<br>
832 
      </td>
833 
      <td style="vertical-align: top; text-align: center;"><span style="font-weight: bold;">Yes</span>
834 
      </td>
835 
    </tr>
836 
 
837 69 olivier.gi 
</tbody></table><br>
838 116 olivier.gi 
<span style="text-decoration: underline;">Note:</span> the program memory size should imperatively match the openMSP430 configuration.<br>
839 50 olivier.gi 
 
840 69 olivier.gi 
<br>
841 116 olivier.gi 
<a name="5.3 Custom linker script"></a>
842 
<h2>5.3 Custom linker script</h2>
843 
The use of the <b>-mmcu</b> switch is of course <b>NOT</b> mandatory. It is simply a convenient way to use the pre-existing linker scripts provided with the MSPGCC4 toolchain.<br>
844 
<br>
845 
However, if the peripheral address space is larger than the standard 512B of the original MSP430 (see the <a href="http://opencores.org/project,openmsp430,core#2.1.3.2 Advanced System Configuration)">Advanced System Configuration</a> section), a customized linker script <b>MUST</b> be provided.<br>
846 
<br>
847 
To create a custom linker script, the simplest way is to start from an existing one:
848 
<ul>
849 
    <li>the MSPGCC(4) toolchain provides a wide range of examples for all supported MSP430 models (see "<b><i>msp430/lib/ldscripts/</i></b>" sub-directory, in the MSPGCC(4) installation directory).</li>
850 
    <li>the openMSP430 project also provide a simple linker script example: <a href="http://opencores.org/websvn,filedetails?repname=openmsp430&path=/openmsp430/trunk/core/sim/rtl_sim/src/ldscript_example.x">ldscript_example.x</a></li>
851 
</ul>
852 
<br>
853 
From there, the script can be modified to match <b>YOUR</b> openMSP430 configuration:
854 
<ul>
855 
   <li>In the <b><i>text (rx)</i></b> section definition, update the <b><i>ORIGIN</i></b> and <b><i>LENGTH</b></i> fields to match the <b>PROGRAM MEMORY</b> configuration.</li>
856 
   <li>In the <b><i>data (rwx)</i></b> section definition, update the <b><i>ORIGIN</i></b> field to match the <b>PERIPHERAL SPACE</b> configuration and the <b><i>LENGTH</b></i> field to match the <b>DATA MEMORY</b> configuration.</li>
857 
   <li>At last, update the stack pointer initialization value (look for the "<b><i>PROVIDE (__stack =</i></b>" section) and make sure that it falls in the data memory space (the stack size should also matches your application requirements, i.e. not to small... and not to big :-P ).</li>
858 
</ul>
859 
<br><br>
860 69 olivier.gi 
 
861 
 
862 
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