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[/] [ssbcc/] [trunk/] [example/] [i2c/] [EEPROM/] [Xilinx-SP601/] [sp601.ucf] - Rev 5
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# 200 MHz external oscillator
NET "ip_sysclk_p" TNM_NET=ip_sysclk;
TIMESPEC TS_ip_sysclk = PERIOD "ip_sysclk" 5 ns HIGH 50%;
NET "ip_sysclk_p" LOC = "K15" | IOSTANDARD = "LVDS_25"; # sysclk_p
NET "ip_sysclk_n" LOC = "K16" | IOSTANDARD = "LVDS_25"; # sysclk_n
NET "op_usb_1_rx" LOC = "L12" | IOSTANDARD = "LVCMOS25"; # usb_1_rx (rx from USB UART viewpoint, tx from FPGA)
NET "iop_i2c_scl" LOC = "P11" | IOSTANDARD = "LVCMOS33"; # iic_scl_main
NET "iop_i2c_sda" LOC = "N10" | IOSTANDARD = "LVCMOS33"; # iic_sda_main