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22 |
philippe |
Release 4.2i - xst E.35
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Copyright (c) 1995-2001 Xilinx, Inc. All rights reserved.
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--> Parameter TMPDIR set to .
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CPU : 0.00 / 0.45 s | Elapsed : 0.00 / 0.00 s
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--> Parameter overwrite set to YES
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CPU : 0.00 / 0.45 s | Elapsed : 0.00 / 0.00 s
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--> Parameter xsthdpdir set to ./xst
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CPU : 0.00 / 0.45 s | Elapsed : 0.00 / 0.00 s
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--> =========================================================================
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---- Source Parameters
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Input Format : VHDL
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Input File Name : uart.prj
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---- Target Parameters
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Target Device : xc2s15-cs144-6
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Output File Name : uart
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Output Format : NGC
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Target Technology : spartan2
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---- Source Options
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Entity Name : uart
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Automatic FSM Extraction : YES
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26 |
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FSM Encoding Algorithm : Auto
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27 |
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FSM Flip-Flop Type : D
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28 |
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Mux Extraction : YES
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Resource Sharing : YES
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Complex Clock Enable Extraction : YES
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ROM Extraction : Yes
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32 |
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RAM Extraction : Yes
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RAM Style : Auto
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Mux Style : Auto
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Decoder Extraction : YES
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36 |
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Priority Encoder Extraction : YES
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37 |
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Shift Register Extraction : YES
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38 |
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Logical Shifter Extraction : YES
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39 |
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XOR Collapsing : YES
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40 |
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Automatic Register Balancing : No
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41 |
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42 |
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---- Target Options
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43 |
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Add IO Buffers : YES
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44 |
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Equivalent register Removal : YES
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45 |
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Add Generic Clock Buffer(BUFG) : 4
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Global Maximum Fanout : 100
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47 |
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Register Duplication : YES
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Move First FlipFlop Stage : YES
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Move Last FlipFlop Stage : YES
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50 |
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Slice Packing : YES
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51 |
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Pack IO Registers into IOBs : auto
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Speed Grade : 6
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53 |
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---- General Options
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Optimization Criterion : Speed
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56 |
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Optimization Effort : 1
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Check Attribute Syntax : YES
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Keep Hierarchy : No
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Global Optimization : AllClockNets
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Write Timing Constraints : No
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=========================================================================
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Compiling vhdl file J:/impl/../rtl/vhdl/utils.vhd in Library work.
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Entity (Architecture ) compiled.
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Entity (Architecture ) compiled.
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Compiling vhdl file J:/impl/../rtl/vhdl/Txunit.vhd in Library work.
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68 |
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Entity (Architecture ) compiled.
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Compiling vhdl file J:/impl/../rtl/vhdl/Rxunit.vhd in Library work.
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70 |
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Entity (Architecture ) compiled.
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Compiling vhdl file J:/impl/../rtl/vhdl/miniuart.vhd in Library work.
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Entity (Architecture ) compiled.
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Analyzing Entity (Architecture ).
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Entity analyzed. Unit generated.
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Analyzing generic Entity (Architecture ).
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count = 130
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Entity analyzed. Unit generated.
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Analyzing generic Entity (Architecture ).
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count = 4
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Entity analyzed. Unit generated.
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Analyzing Entity (Architecture ).
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Entity analyzed. Unit generated.
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87 |
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88 |
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Analyzing Entity (Architecture ).
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Entity analyzed. Unit generated.
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90 |
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Analyzing Entity (Architecture ).
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Entity analyzed. Unit generated.
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Synthesizing Unit .
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Related source file is J:/impl/../rtl/vhdl/utils.vhd.
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Found 1-bit register for signal .
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Found 1-bit register for signal .
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Found 1-bit register for signal .
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Summary:
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inferred 3 D-type flip-flop(s).
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Unit synthesized.
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Synthesizing Unit .
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Related source file is J:/impl/../rtl/vhdl/Rxunit.vhd.
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Found 1-bit register for signal .
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Found 8-bit register for signal .
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Found 2-bit adder for signal <$n0002> created at line 91.
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Found 4-bit adder for signal <$n0018> created at line 85.
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Found 4-bit comparator greatequal for signal <$n0038> created at line 81.
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112 |
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Found 4-bit register for signal .
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Found 8-bit register for signal .
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Found 1-bit register for signal .
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Found 2-bit register for signal .
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Summary:
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inferred 24 D-type flip-flop(s).
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inferred 2 Adder/Subtracter(s).
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inferred 1 Comparator(s).
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Unit synthesized.
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Synthesizing Unit .
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Related source file is J:/impl/../rtl/vhdl/Txunit.vhd.
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Found 1-bit register for signal .
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126 |
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Found 4-bit adder for signal <$n0012> created at line 92.
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Found 4-bit register for signal .
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Found 8-bit register for signal .
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129 |
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Found 1-bit register for signal .
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130 |
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Found 8-bit register for signal .
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131 |
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Summary:
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inferred 22 D-type flip-flop(s).
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133 |
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inferred 1 Adder/Subtracter(s).
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134 |
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Unit synthesized.
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136 |
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Synthesizing Unit .
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Related source file is J:/impl/../rtl/vhdl/utils.vhd.
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Found 1-bit register for signal .
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Found 2-bit down counter for signal .
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WARNING:Xst:647 - Input is never used.
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Summary:
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inferred 1 Counter(s).
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144 |
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inferred 1 D-type flip-flop(s).
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145 |
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Unit synthesized.
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146 |
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147 |
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|
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Synthesizing Unit .
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149 |
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Related source file is J:/impl/../rtl/vhdl/utils.vhd.
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150 |
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Found 1-bit register for signal .
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Found 8-bit down counter for signal .
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152 |
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WARNING:Xst:647 - Input is never used.
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WARNING:Xst:647 - Input is never used.
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Summary:
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inferred 1 Counter(s).
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inferred 1 D-type flip-flop(s).
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Unit synthesized.
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|
159 |
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|
160 |
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Synthesizing Unit .
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161 |
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Related source file is J:/impl/../rtl/vhdl/miniuart.vhd.
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WARNING:Xst:646 - Signal is assigned but never used.
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WARNING:Xst:646 - Signal is assigned but never used.
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Found 1-bit register for signal .
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Found 1-bit register for signal .
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166 |
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Found 8-bit register for signal .
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167 |
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Summary:
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inferred 10 D-type flip-flop(s).
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169 |
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Unit synthesized.
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=========================================================================
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HDL Synthesis Report
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Macro Statistics
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# Registers : 26
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4-bit register : 2
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2-bit register : 1
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8-bit register : 4
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1-bit register : 19
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# Counters : 2
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181 |
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2-bit down counter : 1
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8-bit down counter : 1
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183 |
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# Adders/Subtractors : 3
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2-bit adder : 1
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185 |
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4-bit adder : 2
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186 |
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# Comparators : 1
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4-bit comparator greatequal : 1
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|
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=========================================================================
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190 |
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|
191 |
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|
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Starting low level synthesis...
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193 |
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Optimizing unit ...
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194 |
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195 |
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Optimizing unit ...
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196 |
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197 |
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Optimizing unit ...
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198 |
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|
199 |
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Optimizing unit ...
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200 |
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|
201 |
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Building and optimizing final netlist ...
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202 |
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|
203 |
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FlipFlop uart_rxunit_rxav has been replicated 1 time(s) to handle iob=true attribute.
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204 |
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=========================================================================
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205 |
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Final Results
|
206 |
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Top Level Output File Name : uart
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207 |
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Output Format : NGC
|
208 |
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Optimization Criterion : Speed
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209 |
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Target Technology : spartan2
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210 |
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Keep Hierarchy : No
|
211 |
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Macro Generator : macro+
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212 |
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|
213 |
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Macro Statistics
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214 |
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# Registers : 35
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4-bit register : 2
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216 |
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8-bit register : 4
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217 |
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2-bit register : 2
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218 |
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1-bit register : 27
|
219 |
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# Adders/Subtractors : 3
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220 |
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4-bit adder : 2
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221 |
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8-bit subtractor : 1
|
222 |
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|
223 |
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Design Statistics
|
224 |
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# IOs : 28
|
225 |
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|
226 |
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Cell Usage :
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227 |
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# BELS : 153
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# GND : 1
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229 |
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# LUT1 : 13
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# LUT1_D : 2
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# LUT1_L : 3
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# LUT2 : 21
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# LUT3 : 24
|
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# LUT3_L : 2
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# LUT4 : 51
|
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# LUT4_D : 2
|
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# LUT4_L : 2
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# MUXCY : 13
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# MUXF5 : 4
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# VCC : 1
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241 |
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# XORCY : 14
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# FlipFlops/Latches : 72
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# FDC : 4
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# FDCE : 10
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# FDE : 40
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# FDPE : 1
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# FDR : 11
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# FDRE : 2
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# FDS : 2
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# FDSE : 2
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# Clock Buffers : 2
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# BUFGP : 2
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# IO Buffers : 26
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# IBUF : 14
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# OBUF : 12
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=========================================================================
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=========================================================================
|
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TIMING REPORT
|
261 |
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|
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NOTE: THESE TIMING NUMBERS ARE ONLY A SYNTHESIS ESTIMATE.
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FOR ACCURATE TIMING INFORMATION PLEASE REFER TO THE TRACE REPORT
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GENERATED AFTER PLACE-and-ROUTE.
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Clock Information:
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------------------
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-----------------------------------+------------------------+-------+
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Clock Signal | Clock buffer(FF name) | Load |
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-----------------------------------+------------------------+-------+
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uart_rxunit_rregl:Q | NONE | 3 |
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br_clk_i | BUFGP | 59 |
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loada:Q | NONE | 1 |
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wb_clk_i | BUFGP | 10 |
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275 |
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-----------------------------------+------------------------+-------+
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|
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Timing Summary:
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278 |
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---------------
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Speed Grade: -6
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280 |
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Minimum period: 9.318ns (Maximum Frequency: 107.319MHz)
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Minimum input arrival time before clock: 8.430ns
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Maximum output required time after clock: 10.658ns
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Maximum combinational path delay: 9.098ns
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285 |
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|
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Timing Detail:
|
287 |
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--------------
|
288 |
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All values displayed in nanoseconds (ns)
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|
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-------------------------------------------------------------------------
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Timing constraint: Default period analysis for Clock 'br_clk_i'
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292 |
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Delay: 9.318ns (Levels of Logic = 6)
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293 |
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Source: uart_rxunit_bitpos_0
|
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Destination: uart_rxunit_bitpos_2
|
295 |
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Source Clock: br_clk_i rising
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Destination Clock: br_clk_i rising
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|
298 |
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Data Path: uart_rxunit_bitpos_0 to uart_rxunit_bitpos_2
|
299 |
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Gate Net
|
300 |
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Cell:in->out fanout Delay Delay Logical Name (Net Name)
|
301 |
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---------------------------------------- ------------
|
302 |
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FDCE:C->Q 22 1.085 2.970 uart_rxunit_bitpos_0 (uart_rxunit_bitpos_0)
|
303 |
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LUT1_D:I0->LO 1 0.549 0.000 uart_rxunit_Madd__n0018_inst_lut2_0 (N3009)
|
304 |
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MUXCY:S->O 1 0.659 0.000 uart_rxunit_Madd__n0018_inst_cy_0 (uart_rxunit_Madd__n0018_inst_cy_0)
|
305 |
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MUXCY:CI->O 1 0.042 0.000 uart_rxunit_Madd__n0018_inst_cy_1 (uart_rxunit_Madd__n0018_inst_cy_1)
|
306 |
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XORCY:CI->O 1 0.420 1.035 uart_rxunit_Madd__n0018_inst_sum_2 (uart_rxunit_N181)
|
307 |
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LUT4:I3->O 1 0.549 1.035 uart_rxunit_I_10_LUT_53 (uart_rxunit_N183)
|
308 |
|
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LUT4_L:I0->LO 1 0.549 0.000 uart_rxunit_I__n0005_2 (uart_rxunit_N201)
|
309 |
|
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FDCE:D 0.425 uart_rxunit_bitpos_2
|
310 |
|
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----------------------------------------
|
311 |
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Total 9.318ns (4.278ns logic, 5.040ns route)
|
312 |
|
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(45.9% logic, 54.1% route)
|
313 |
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|
314 |
|
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-------------------------------------------------------------------------
|
315 |
|
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Timing constraint: Default OFFSET IN BEFORE for Clock 'br_clk_i'
|
316 |
|
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Offset: 8.430ns (Levels of Logic = 3)
|
317 |
|
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Source: wb_rst_i
|
318 |
|
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Destination: uart_txunit_treg_5
|
319 |
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Destination Clock: br_clk_i rising
|
320 |
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|
321 |
|
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Data Path: wb_rst_i to uart_txunit_treg_5
|
322 |
|
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Gate Net
|
323 |
|
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Cell:in->out fanout Delay Delay Logical Name (Net Name)
|
324 |
|
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---------------------------------------- ------------
|
325 |
|
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IBUF:I->O 19 0.776 2.790 wb_rst_i_IBUF (wb_rst_i_IBUF)
|
326 |
|
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LUT4:I3->O 1 0.549 1.035 uart_txunit_I_1_LUT_11 (N2973)
|
327 |
|
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LUT4:I3->O 8 0.549 1.845 uart_txunit_I__n0009 (uart_txunit_N83)
|
328 |
|
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FDE:CE 0.886 uart_txunit_treg_5
|
329 |
|
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----------------------------------------
|
330 |
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Total 8.430ns (2.760ns logic, 5.670ns route)
|
331 |
|
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(32.7% logic, 67.3% route)
|
332 |
|
|
|
333 |
|
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-------------------------------------------------------------------------
|
334 |
|
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Timing constraint: Default OFFSET OUT AFTER for Clock 'br_clk_i'
|
335 |
|
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Offset: 10.658ns (Levels of Logic = 3)
|
336 |
|
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Source: uart_txunit_tbufl
|
337 |
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Destination: wb_dat_o_0
|
338 |
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Source Clock: br_clk_i rising
|
339 |
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|
340 |
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Data Path: uart_txunit_tbufl to wb_dat_o_0
|
341 |
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Gate Net
|
342 |
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Cell:in->out fanout Delay Delay Logical Name (Net Name)
|
343 |
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---------------------------------------- ------------
|
344 |
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FDCE:C->Q 5 1.085 1.566 uart_txunit_tbufl (uart_txunit_tbufl)
|
345 |
|
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LUT2:I1->O 2 0.549 1.206 uart_txunit_I_busy (N64)
|
346 |
|
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LUT4:I2->O 1 0.549 1.035 I_wb_dat_o_0 (wb_dat_o_0_OBUF)
|
347 |
|
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OBUF:I->O 4.668 wb_dat_o_0_OBUF (wb_dat_o_0)
|
348 |
|
|
----------------------------------------
|
349 |
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|
Total 10.658ns (6.851ns logic, 3.807ns route)
|
350 |
|
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(64.3% logic, 35.7% route)
|
351 |
|
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|
352 |
|
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-------------------------------------------------------------------------
|
353 |
|
|
Timing constraint: Default path analysis
|
354 |
|
|
Delay: 9.098ns (Levels of Logic = 3)
|
355 |
|
|
Source: wb_adr_i_1
|
356 |
|
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Destination: wb_dat_o_0
|
357 |
|
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|
358 |
|
|
Data Path: wb_adr_i_1 to wb_dat_o_0
|
359 |
|
|
Gate Net
|
360 |
|
|
Cell:in->out fanout Delay Delay Logical Name (Net Name)
|
361 |
|
|
---------------------------------------- ------------
|
362 |
|
|
IBUF:I->O 11 0.776 2.070 wb_adr_i_1_IBUF (wb_adr_i_1_IBUF)
|
363 |
|
|
LUT4:I0->O 1 0.549 1.035 I_wb_dat_o_0 (wb_dat_o_0_OBUF)
|
364 |
|
|
OBUF:I->O 4.668 wb_dat_o_0_OBUF (wb_dat_o_0)
|
365 |
|
|
----------------------------------------
|
366 |
|
|
Total 9.098ns (5.993ns logic, 3.105ns route)
|
367 |
|
|
(65.9% logic, 34.1% route)
|
368 |
|
|
|
369 |
|
|
=========================================================================
|
370 |
|
|
CPU : 9.22 / 9.67 s | Elapsed : 10.00 / 10.00 s
|
371 |
|
|
|
372 |
|
|
-->
|