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1 19 dilbert57 
#####################################################
2 
### SPARTAN-3E STARTER KIT BOARD CONSTRAINTS FILE
3 
#####################################################
4 
# ==== Analog-to-Digital Converter (ADC) ====
5 
# some connections shared with SPI Flash, DAC, ADC, and AMP
6 
#-NET "AD_CONV"     LOC = "P11" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6
7 
# ==== Programmable Gain Amplifier (AMP) ====
8 
# some connections shared with SPI Flash, DAC, ADC, and AMP
9 
#-NET "AMP_CS"      LOC = "N7"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6
10 
#-NET "AMP_DOUT"    LOC = "E18" | IOSTANDARD = LVCMOS33
11 
#-NET "AMP_SHDN"    LOC = "P7"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6
12 
# ==== Pushbuttons (BTN) ====
13 
#-NET "BTN_EAST"    LOC = "H13" | IOSTANDARD = LVTTL | PULLDOWN
14 
#-NET "BTN_NORTH"   LOC = "V4"  | IOSTANDARD = LVTTL | PULLDOWN
15 
NET "BTN_SOUTH"   LOC = "K17" | IOSTANDARD = LVTTL | PULLDOWN ;
16 
#-NET "BTN_WEST"    LOC = "D18" | IOSTANDARD = LVTTL | PULLDOWN
17 
# ==== Clock inputs (CLK) ====
18 
NET "CLK_50MHZ"   LOC = "C9"  | IOSTANDARD = LVCMOS33 ;
19 
# Define clock period for 50 MHz oscillator (40%/60% duty-cycle)
20 
NET "CLK_50MHZ" PERIOD = 20 ns HIGH 40 %;
21 
#-NET "CLK_AUX"     LOC = "B8"  | IOSTANDARD = LVCMOS33
22 
#-NET "CLK_SMA"     LOC = "A10" | IOSTANDARD = LVCMOS33
23 
# ==== Digital-to-Analog Converter (DAC) ====
24 
# some connections shared with SPI Flash, DAC, ADC, and AMP
25 
#-NET "DAC_CLR"     LOC = "P8"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
26 
#-NET "DAC_CS"      LOC = "N8"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
27 
# ==== 1-Wire Secure EEPROM (DS)
28 
#-NET "DS_WIRE"     LOC = "U4"  | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8
29 
# ==== Ethernet PHY (E) ====
30 
#-NET "E_COL"       LOC = "U6"  | IOSTANDARD = LVCMOS33
31 
#-NET "E_CRS"       LOC = "U13" | IOSTANDARD = LVCMOS33
32 
#-NET "E_MDC"       LOC = "P9"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
33 
#-NET "E_MDIO"      LOC = "U5"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
34 
#-NET "E_RX_CLK"    LOC = "V3"  | IOSTANDARD = LVCMOS33
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#-NET "E_RX_DV"     LOC = "V2"  | IOSTANDARD = LVCMOS33
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#-NET "E_RXD<0>"    LOC = "V8"  | IOSTANDARD = LVCMOS33
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#-NET "E_RXD<1>"    LOC = "T11" | IOSTANDARD = LVCMOS33
38 
#-NET "E_RXD<2>"    LOC = "U11" | IOSTANDARD = LVCMOS33
39 
#-NET "E_RXD<3>"    LOC = "V14" | IOSTANDARD = LVCMOS33
40 
#-NET "E_RXD<4>"    LOC = "U14" | IOSTANDARD = LVCMOS33
41 
#-NET "E_TX_CLK"    LOC = "T7"  | IOSTANDARD = LVCMOS33
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#-NET "E_TX_EN"     LOC = "P15" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
43 
#-NET "E_TXD<0>"    LOC = "R11" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
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#-NET "E_TXD<1>"    LOC = "T15" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
45 
#-NET "E_TXD<2>"    LOC = "R5"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
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#-NET "E_TXD<3>"    LOC = "T5"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
47 
#-NET "E_TXD<4>"    LOC = "R6"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
48 
# ==== FPGA Configuration Mode, INIT_B Pins (FPGA) ====
49 
#-NET "FPGA_M0"     LOC = "M10" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
50 
#-NET "FPGA_M1"     LOC = "V11" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
51 
#-NET "FPGA_M2"     LOC = "T10" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8
52 
#-NET "FPGA_INIT_B" LOC = "T3"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 4
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#-NET "FPGA_RDWR_B" LOC = "U10" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 4
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#-NET "FPGA_HSWAP"  LOC = "B3"  | IOSTANDARD = LVCMOS33
55 
# ==== FX2 Connector (FX2) ====
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#-NET "FX2_CLKIN"   LOC = "E10" | IOSTANDARD = LVCMOS33
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#-NET "FX2_CLKIO"   LOC = "D9"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_CLKOUT"  LOC = "D10" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
59 
# These four connections are shared with the J1 6-pin accessory header
60 
#-NET "FX2_IO<1>"   LOC = "B4"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<2>"   LOC = "A4"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
62 
#-NET "FX2_IO<3>"   LOC = "D5"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<4>"   LOC = "C5"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
64 
# These four connections are shared with the J2 6-pin accessory header
65 
#-NET "FX2_IO<5>"   LOC = "A6"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<6>"   LOC = "B6"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
67 
#-NET "FX2_IO<7>"   LOC = "E7"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<8>"   LOC = "F7"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
69 
# These four connections are shared with the J4 6-pin accessory header
70 
#-NET "FX2_IO<9>"   LOC = "D7"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
71 
#-NET "FX2_IO<10>"  LOC = "C7"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
72 
#-NET "FX2_IO<11>"  LOC = "F8"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<12>"  LOC = "E8"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
74 
# The discrete LEDs are shared with the following 8 FX2 connections
75 
#NET "FX2_IO<13>" LOC = "F9"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#NET "FX2_IO<14>" LOC = "E9"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
77 
#NET "FX2_IO<15>" LOC = "D11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#NET "FX2_IO<16>" LOC = "C11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#NET "FX2_IO<17>" LOC = "F11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
80 
#NET "FX2_IO<18>" LOC = "E11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
81 
#NET "FX2_IO<19>" LOC = "E12" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
82 
#NET "FX2_IO<20>" LOC = "F12" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
83 
#-NET "FX2_IO<21>"  LOC = "A13" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
84 
#-NET "FX2_IO<22>"  LOC = "B13" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
85 
#-NET "FX2_IO<23>"  LOC = "A14" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<24>"  LOC = "B14" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<25>"  LOC = "C14" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<26>"  LOC = "D14" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<27>"  LOC = "A16" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<28>"  LOC = "B16" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<29>"  LOC = "E13" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
92 
#-NET "FX2_IO<30>"  LOC = "C4"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<31>"  LOC = "B11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<32>"  LOC = "A11" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<33>"  LOC = "A8"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IO<34>"  LOC = "G9"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IP<35>"  LOC = "D12" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IP<36>"  LOC = "C12" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IP<37>"  LOC = "A15" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
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#-NET "FX2_IP<38>"  LOC = "B15" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
101 
#-NET "FX2_IO<39>"  LOC = "C3"  | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
102 
#-NET "FX2_IP<40>"  LOC = "C15" | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8
103 
# ==== 6-pin header J1 ====
104 
# These are shared connections with the FX2 connector
105 
#NET "J1<0>" LOC = "B4" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
106 
#NET "J1<1>" LOC = "A4" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
107 
#NET "J1<2>" LOC = "D5" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
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#NET "J1<3>" LOC = "C5" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
109 
# ==== 6-pin header J2 ====
110 
# These are shared connections with the FX2 connector
111 
#NET "J2<0>" LOC = "A6" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
112 
#NET "J2<1>" LOC = "B6" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
113 
#NET "J2<2>" LOC = "E7" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
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#NET "J2<3>" LOC = "F7" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
115 
# ==== 6-pin header J4 ====
116 
# These are shared connections with the FX2 connector
117 
#NET "J4<0>" LOC = "D7" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
118 
#NET "J4<1>" LOC = "C7" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
119 
#NET "J4<2>" LOC = "F8" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
120 
#NET "J4<3>" LOC = "E8" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6
121 
# ==== Character LCD (LCD) ====
122 
#-NET "LCD_E"      LOC = "M18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
123 
#-NET "LCD_RS"     LOC = "L18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
124 
#-NET "LCD_RW"     LOC = "L17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
125 
# LCD data connections are shared with StrataFlash connections SF_D<11:8>
126 
#NET "SF_D<8>"   LOC = "R15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
127 
#NET "SF_D<9>"   LOC = "R16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
128 
#NET "SF_D<10>"  LOC = "P17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
129 
#NET "SF_D<11>"  LOC = "M15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
130 
# ==== Discrete LEDs (LED) ====
131 
# These are shared connections with the FX2 connector
132 
NET "LED<0>"     LOC = "F12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
133 
NET "LED<1>"     LOC = "E12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
134 
NET "LED<2>"     LOC = "E11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
135 
NET "LED<3>"     LOC = "F11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
136 
NET "LED<4>"     LOC = "C11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
137 
NET "LED<5>"     LOC = "D11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
138 
NET "LED<6>"     LOC = "E9"  | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
139 
NET "LED<7>"     LOC = "F9"  | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
140 
# ==== PS/2 Mouse/Keyboard Port (PS2) ====
141 20 dilbert57 
NET "PS2_CLK"    LOC = "G14" | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ;
142 
NET "PS2_DATA"   LOC = "G13" | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ;
143 19 dilbert57 
# ==== Rotary Pushbutton Switch (ROT) ====
144 
#-NET "ROT_A"      LOC = "K18" | IOSTANDARD = LVTTL | PULLUP
145 
#-NET "ROT_B"      LOC = "G18" | IOSTANDARD = LVTTL | PULLUP
146 
#-NET "ROT_CENTER" LOC = "V16" | IOSTANDARD = LVTTL | PULLDOWN
147 
# ==== RS-232 Serial Ports (RS232) ====
148 
NET "RS232_DCE_RXD" LOC = "R7"  | IOSTANDARD = LVTTL ;
149 
NET "RS232_DCE_TXD" LOC = "M14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;
150 
#-NET "RS232_DTE_RXD" LOC = "U8"  | IOSTANDARD = LVTTL
151 
#-NET "RS232_DTE_TXD" LOC = "M13" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW
152 
# ==== DDR SDRAM (SD) ==== (I/O Bank 3, VCCO=2.5V)
153 
#-NET "SD_A<0>"    LOC = "T1"  | IOSTANDARD = SSTL2_I
154 
#-NET "SD_A<1>"    LOC = "R3"  | IOSTANDARD = SSTL2_I
155 
#-NET "SD_A<2>"    LOC = "R2"  | IOSTANDARD = SSTL2_I
156 
#-NET "SD_A<3>"    LOC = "P1"  | IOSTANDARD = SSTL2_I
157 
#-NET "SD_A<4>"    LOC = "F4"  | IOSTANDARD = SSTL2_I
158 
#-NET "SD_A<5>"    LOC = "H4"  | IOSTANDARD = SSTL2_I
159 
#-NET "SD_A<6>"    LOC = "H3"  | IOSTANDARD = SSTL2_I
160 
#-NET "SD_A<7>"    LOC = "H1"  | IOSTANDARD = SSTL2_I
161 
#-NET "SD_A<8>"    LOC = "H2"  | IOSTANDARD = SSTL2_I
162 
#-NET "SD_A<9>"    LOC = "N4"  | IOSTANDARD = SSTL2_I
163 
#-NET "SD_A<10>"   LOC = "T2"  | IOSTANDARD = SSTL2_I
164 
#-NET "SD_A<11>"   LOC = "N5"  | IOSTANDARD = SSTL2_I
165 
#-NET "SD_A<12>"   LOC = "P2"  | IOSTANDARD = SSTL2_I
166 
#-NET "SD_BA<0>"   LOC = "K5"  | IOSTANDARD = SSTL2_I
167 
#-NET "SD_BA<1>"   LOC = "K6"  | IOSTANDARD = SSTL2_I
168 
#-NET "SD_CAS"     LOC = "C2"  | IOSTANDARD = SSTL2_I
169 
#-NET "SD_CK_N"    LOC = "J4"  | IOSTANDARD = SSTL2_I
170 
#-NET "SD_CK_P"    LOC = "J5"  | IOSTANDARD = SSTL2_I
171 
#-NET "SD_CKE"     LOC = "K3"  | IOSTANDARD = SSTL2_I
172 
#-NET "SD_CS"      LOC = "K4"  | IOSTANDARD = SSTL2_I
173 
#-NET "SD_DQ<0>"   LOC = "L2"  | IOSTANDARD = SSTL2_I
174 
#-NET "SD_DQ<1>"   LOC = "L1"  | IOSTANDARD = SSTL2_I
175 
#-NET "SD_DQ<2>"   LOC = "L3"  | IOSTANDARD = SSTL2_I
176 
#-NET "SD_DQ<3>"   LOC = "L4"  | IOSTANDARD = SSTL2_I
177 
#-NET "SD_DQ<4>"   LOC = "M3"  | IOSTANDARD = SSTL2_I
178 
#-NET "SD_DQ<5>"   LOC = "M4"  | IOSTANDARD = SSTL2_I
179 
#-NET "SD_DQ<6>"   LOC = "M5"  | IOSTANDARD = SSTL2_I
180 
#-NET "SD_DQ<7>"   LOC = "M6"  | IOSTANDARD = SSTL2_I
181 
#-NET "SD_DQ<8>"   LOC = "E2"  | IOSTANDARD = SSTL2_I
182 
#-NET "SD_DQ<9>"   LOC = "E1"  | IOSTANDARD = SSTL2_I
183 
#-NET "SD_DQ<10>"  LOC = "F1"  | IOSTANDARD = SSTL2_I
184 
#-NET "SD_DQ<11>"  LOC = "F2"  | IOSTANDARD = SSTL2_I
185 
#-NET "SD_DQ<12>"  LOC = "G6"  | IOSTANDARD = SSTL2_I
186 
#-NET "SD_DQ<13>"  LOC = "G5"  | IOSTANDARD = SSTL2_I
187 
#-NET "SD_DQ<14>"  LOC = "H6"  | IOSTANDARD = SSTL2_I
188 
#-NET "SD_DQ<15>"  LOC = "H5"  | IOSTANDARD = SSTL2_I
189 
#-NET "SD_LDM"     LOC = "J2"  | IOSTANDARD = SSTL2_I
190 
#-NET "SD_LDQS"    LOC = "L6"  | IOSTANDARD = SSTL2_I
191 
#-NET "SD_RAS"     LOC = "C1"  | IOSTANDARD = SSTL2_I
192 
#-NET "SD_UDM"     LOC = "J1"  | IOSTANDARD = SSTL2_I
193 
#-NET "SD_UDQS"    LOC = "G3"  | IOSTANDARD = SSTL2_I
194 
#-NET "SD_WE"      LOC = "D1"  | IOSTANDARD = SSTL2_I
195 
# Path to allow connection to top DCM connection
196 
#-NET "SD_CK_FB"   LOC = "B9"  | IOSTANDARD = LVCMOS33
197 
# Prohibit VREF pins
198 
CONFIG PROHIBIT = D2;
199 
CONFIG PROHIBIT = G4;
200 
CONFIG PROHIBIT = J6;
201 
CONFIG PROHIBIT = L5;
202 
CONFIG PROHIBIT = R4;
203 
# ==== Intel StrataFlash Parallel NOR Flash (SF) ====
204 
#-NET "SF_A<0>"    LOC = "H17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
205 
#-NET "SF_A<1>"    LOC = "J13" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
206 
#-NET "SF_A<2>"    LOC = "J12" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
207 
#-NET "SF_A<3>"    LOC = "J14" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
208 
#-NET "SF_A<4>"    LOC = "J15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
209 
#-NET "SF_A<5>"    LOC = "J16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
210 
#-NET "SF_A<6>"    LOC = "J17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
211 
#-NET "SF_A<7>"    LOC = "K14" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
212 
#-NET "SF_A<8>"    LOC = "K15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
213 
#-NET "SF_A<9>"    LOC = "K12" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
214 
#-NET "SF_A<10>"   LOC = "K13" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
215 
#-NET "SF_A<11>"   LOC = "L15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
216 
#-NET "SF_A<12>"   LOC = "L16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
217 
#-NET "SF_A<13>"   LOC = "T18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
218 
#-NET "SF_A<14>"   LOC = "R18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
219 
#-NET "SF_A<15>"   LOC = "T17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
220 
#-NET "SF_A<16>"   LOC = "U18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
221 
#-NET "SF_A<17>"   LOC = "T16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
222 
#-NET "SF_A<18>"   LOC = "U15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
223 
#-NET "SF_A<19>"   LOC = "V15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
224 
#-NET "SF_A<20>"   LOC = "T12" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
225 
#-NET "SF_A<21>"   LOC = "V13" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
226 
#-NET "SF_A<22>"   LOC = "V12" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
227 
#-NET "SF_A<23>"   LOC = "N11" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
228 
#-NET "SF_A<24>"   LOC = "A11" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
229 
#-NET "SF_BYTE"    LOC = "C17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
230 
#-NET "SF_CE0"     LOC = "D16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
231 
#-NET "SF_D<1>"    LOC = "P10" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
232 
#-NET "SF_D<2>"    LOC = "R10" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
233 
#-NET "SF_D<3>"    LOC = "V9"  | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
234 
#-NET "SF_D<4>"    LOC = "U9"  | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
235 
#-NET "SF_D<5>"    LOC = "R9"  | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
236 
#-NET "SF_D<6>"    LOC = "M9"  | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
237 
#-NET "SF_D<7>"    LOC = "N9"  | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
238 
#-NET "SF_D<8>"    LOC = "R15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
239 
#-NET "SF_D<9>"    LOC = "R16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
240 
#-NET "SF_D<10>"   LOC = "P17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
241 
#-NET "SF_D<11>"   LOC = "M15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
242 
#-NET "SF_D<12>"   LOC = "M16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
243 
#-NET "SF_D<13>"   LOC = "P6"  | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
244 
#-NET "SF_D<14>"   LOC = "R8"  | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
245 
#-NET "SF_D<15>"   LOC = "T8"  | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
246 
#-NET "SF_OE"      LOC = "C18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
247 
#-NET "SF_STS"     LOC = "B18" | IOSTANDARD = LVCMOS33
248 
#-NET "SF_WE"      LOC = "D17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
249 
# ==== STMicro SPI serial Flash (SPI) ====
250 
# some connections shared with SPI Flash, DAC, ADC, and AMP
251 
#-NET "SPI_MISO"   LOC = "N10" | IOSTANDARD = LVCMOS33
252 
#-NET "SPI_MOSI"   LOC = "T4"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6
253 
#-NET "SPI_SCK"    LOC = "U16" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6
254 
#-NET "SPI_SS_B"   LOC = "U3"  | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6
255 
#-NET "SPI_ALT_CS_JP11" LOC = "R12" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 6
256 
# ==== Slide Switches (SW) ====
257 
#-NET "SW<0>"      LOC = "L13" | IOSTANDARD = LVTTL | PULLUP
258 
#-NET "SW<1>"      LOC = "L14" | IOSTANDARD = LVTTL | PULLUP
259 
#-NET "SW<2>"      LOC = "H18" | IOSTANDARD = LVTTL | PULLUP
260 
#-NET "SW<3>"      LOC = "N17" | IOSTANDARD = LVTTL | PULLUP
261 
# ==== VGA Port (VGA) ====
262 20 dilbert57 
NET "VGA_BLUE"   LOC = "G15" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
263 
NET "VGA_GREEN"  LOC = "H15" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
264 
NET "VGA_HSYNC"  LOC = "F15" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
265 
NET "VGA_RED"    LOC = "H14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
266 
NET "VGA_VSYNC"  LOC = "F14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
267 19 dilbert57 
# ==== Xilinx CPLD (XC) ====
268 
#-NET "XC_CMD<0>"  LOC = "P18" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW
269 
#-NET "XC_CMD<1>"  LOC = "N18" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW
270 
#-NET "XC_CPLD_EN" LOC = "B10" | IOSTANDARD = LVTTL
271 
#-NET "XC_D<0>"    LOC = "G16" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW
272 
#-NET "XC_D<1>"    LOC = "F18" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW
273 
#-NET "XC_D<2>"    LOC = "F17" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW
274 
#-NET "XC_TRIG"    LOC = "R17" | IOSTANDARD = LVCMOS33
275 
#-NET "XC_GCK0"    LOC = "H16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW
276 
#-NET "GCLK10"     LOC = "C9"  | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW

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