diff options
Diffstat (limited to 'example.pcf')
| -rw-r--r-- | example.pcf | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/example.pcf b/example.pcf index a5c7398..6d6ff81 100644 --- a/example.pcf +++ b/example.pcf @@ -1,9 +1,38 @@ -set_io clk J3 -set_io LED0 B5 -set_io LED1 B4 -set_io LED2 A2 -set_io LED3 A1 -set_io LED4 C5 -set_io LED5 C4 -set_io LED6 B3 -set_io LED7 C3 +# This is a partial constraints file for ButterStick r1.0, +# produced based on +# https://github.com/butterstick-fpga/butterstick-bootloader/blob/main/gateware/rtl/platform/butterstick_r1d0.py +# All mistakes mine, Tommy Thorn, 2021 + +LOCATE COMP "clk" SITE "B12"; +IOBUF PORT "clk" IO_TYPE=LVCMOS18; +FREQUENCY PORT "clk" 30.0 MHz; + +LOCATE COMP "rst_n" SITE "R3"; +IOBUF PORT "rst_n" IO_TYPE=LVCMOS33 OPENDRAIN=ON; + +LOCATE COMP "user_btn[0]" SITE "U16"; +IOBUF PORT "user_btn[0]" IO_TYPE=SSTL135_I; + +LOCATE COMP "user_btn[1]" SITE "T17"; +IOBUF PORT "user_btn[1]" IO_TYPE=SSTL135_I; + +LOCATE COMP "LED0" SITE "C13"; +IOBUF PORT "LED0" IO_TYPE=LVCMOS33; +LOCATE COMP "LED1" SITE "D12"; +IOBUF PORT "LED1" IO_TYPE=LVCMOS33; +LOCATE COMP "LED2" SITE "U2"; +IOBUF PORT "LED2" IO_TYPE=LVCMOS33; +LOCATE COMP "LED3" SITE "T3"; +IOBUF PORT "LED3" IO_TYPE=LVCMOS33; +LOCATE COMP "LED4" SITE "D13"; +IOBUF PORT "LED4" IO_TYPE=LVCMOS33; +LOCATE COMP "LED5" SITE "E13"; +IOBUF PORT "LED5" IO_TYPE=LVCMOS33; +LOCATE COMP "LED6" SITE "C16"; +IOBUF PORT "LED6" IO_TYPE=LVCMOS33; +LOCATE COMP "colour[0]" SITE "T1"; +IOBUF PORT "colour[0]" IO_TYPE=LVCMOS33; +LOCATE COMP "colour[1]" SITE "R1"; +IOBUF PORT "colour[1]" IO_TYPE=LVCMOS33; +LOCATE COMP "colour[2]" SITE "U1"; +IOBUF PORT "colour[2]" IO_TYPE=LVCMOS33;
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