Subversion Repositories zx_ula

NET "clk50" LOC = "P41" | IOSTANDARD = LVCMOS33;
# Define clock period for 50 MHz oscillator (40%/60% duty-cycle)
NET "clk50" PERIOD = 20.0ns HIGH 40%;

#reset
NET "reset" LOC = "P26" | IOSTANDARD = LVCMOS33;

#video
NET "i"     LOC = "P68" | IOSTANDARD = LVCMOS33;
NET "b"     LOC = "P70" | IOSTANDARD = LVCMOS33;
NET "g"     LOC = "P71" | IOSTANDARD = LVCMOS33;
NET "r"     LOC = "P78" | IOSTANDARD = LVCMOS33;
NET "csync" LOC = "P79" | IOSTANDARD = LVCMOS33;

#audio
NET "audio_out" LOC = "P32" | IOSTANDARD = LVCMOS33;
NET "ear"       LOC = "P33" | IOSTANDARD = LVCMOS33;

#kbd rows
NET "kbd_rows<0>" LOC = "P53" | IOSTANDARD = LVCMOS33;
NET "kbd_rows<1>" LOC = "P54" | IOSTANDARD = LVCMOS33;
NET "kbd_rows<2>" LOC = "P57" | IOSTANDARD = LVCMOS33;
NET "kbd_rows<3>" LOC = "P58" | IOSTANDARD = LVCMOS33;
NET "kbd_rows<4>" LOC = "P60" | IOSTANDARD = LVCMOS33;
NET "kbd_rows<5>" LOC = "P61" | IOSTANDARD = LVCMOS33;
NET "kbd_rows<6>" LOC = "P62" | IOSTANDARD = LVCMOS33;
NET "kbd_rows<7>" LOC = "P63" | IOSTANDARD = LVCMOS33;

#kbd columns
NET "kbd_columns<0>" LOC = "P83" | IOSTANDARD = LVCMOS33 | PULLUP;
NET "kbd_columns<1>" LOC = "P84" | IOSTANDARD = LVCMOS33 | PULLUP;
NET "kbd_columns<2>" LOC = "P85" | IOSTANDARD = LVCMOS33 | PULLUP;
NET "kbd_columns<3>" LOC = "P86" | IOSTANDARD = LVCMOS33 | PULLUP;
NET "kbd_columns<4>" LOC = "P88" | IOSTANDARD = LVCMOS33 | PULLUP;

# Debug LED's
#NET "leds<1>" LOC = "P9"  | IOSTANDARD = LVCMOS33;
#NET "leds<0>" LOC = "P10" | IOSTANDARD = LVCMOS33;