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# 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 "clk30" SITE "B12";
IOBUF PORT "clk30" IO_TYPE=LVCMOS18;
FREQUENCY PORT "clk30" 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 "led_rgb_multiplex_a[0]" SITE "C13";
IOBUF PORT "led_rgb_multiplex_a[0]" IO_TYPE=LVCMOS33;
LOCATE COMP "led_rgb_multiplex_a[1]" SITE "D12";
IOBUF PORT "led_rgb_multiplex_a[1]" IO_TYPE=LVCMOS33;
LOCATE COMP "led_rgb_multiplex_a[2]" SITE "U2";
IOBUF PORT "led_rgb_multiplex_a[2]" IO_TYPE=LVCMOS33;
LOCATE COMP "led_rgb_multiplex_a[3]" SITE "T3";
IOBUF PORT "led_rgb_multiplex_a[3]" IO_TYPE=LVCMOS33;
LOCATE COMP "led_rgb_multiplex_a[4]" SITE "D13";
IOBUF PORT "led_rgb_multiplex_a[4]" IO_TYPE=LVCMOS33;
LOCATE COMP "led_rgb_multiplex_a[5]" SITE "E13";
IOBUF PORT "led_rgb_multiplex_a[5]" IO_TYPE=LVCMOS33;
LOCATE COMP "led_rgb_multiplex_a[6]" SITE "C16";
IOBUF PORT "led_rgb_multiplex_a[6]" IO_TYPE=LVCMOS33;
LOCATE COMP "led_rgb_multiplex_b[0]" SITE "T1";
IOBUF PORT "led_rgb_multiplex_b[0]" IO_TYPE=LVCMOS33;
LOCATE COMP "led_rgb_multiplex_b[1]" SITE "R1";
IOBUF PORT "led_rgb_multiplex_b[1]" IO_TYPE=LVCMOS33;
LOCATE COMP "led_rgb_multiplex_b[2]" SITE "U1";
IOBUF PORT "led_rgb_multiplex_b[2]" IO_TYPE=LVCMOS33;
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