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32 lines
1.2 KiB
Plaintext
32 lines
1.2 KiB
Plaintext
#Pin definitions
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# clocks
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NET "CLK_50MHZ" LOC = "C9" | IOSTANDARD = LVCMOS33 ;
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# ps/2 keyboard
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NET "PS2_KBDAT" LOC = G13 | IOSTANDARD = LVCMOS33;
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NET "PS2_KBCLK" LOC = G14 | IOSTANDARD = LVCMOS33;
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# VGA pins
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NET "VGA_R" LOC = H14 | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
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NET "VGA_G" LOC = H15 | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
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NET "VGA_B" LOC = G15 | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
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NET "VGA_HS" LOC = F15 | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
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NET "VGA_VS" LOC = F14 | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
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# RS-232 pins
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#NET "UART_RXD" LOC = "U8" | IOSTANDARD = LVTTL ;
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#NET "UART_TXD" LOC = "M13" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;
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NET "UART_RXD" LOC = "R7" | IOSTANDARD = LVTTL ;
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NET "UART_TXD" LOC = "M14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;
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# RESET BUTTON / SOUTH on the board
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NET "BUTTON" LOC = "K17" | IOSTANDARD = LVTTL | PULLDOWN;
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#Created by Constraints Editor (xc3s500e-fg320-4) - 2018/02/11
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NET "CLK_50MHZ" TNM_NET = CLK_50MHZ;
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NET "clk25" TNM_NET = clk25;
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TIMESPEC TS_CLOCK_50 = PERIOD "CLK_50MHZ" 20 ns HIGH 50%;
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TIMESPEC TS_CLOCK_25 = PERIOD "clk25" 40 ns HIGH 50%;
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