Subversion Repositories hf-risc

# Virtex4 ML403

# Clock and Reset
NET "clk_in" LOC="AE14";
NET "clk_in" IOSTANDARD = LVCMOS33;
NET "reset_in" LOC="D6";
NET "reset_in" PULLUP;

# System level constraints
NET "clk_in" TNM_NET = "clk_in";
TIMESPEC TS_clk_in = PERIOD "clk_in" 10000 ps;
NET "reset_in" TIG;

# UART
NET "uart_read" LOC=W2;
NET "uart_read" IOSTANDARD = LVCMOS33;
NET "uart_write" LOC=W1;
NET "uart_write" IOSTANDARD = LVCMOS33;