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[/] [System09/] [trunk/] [rtl/] [System09_Digilent_ZyboZ20/] [system09.ucf] - Rev 177

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#####################################################
#
# XSA-3S1000 Board FPGA pin assignment constraints
#
#####################################################
#
# Clocks
#
# clock pin for Zybo Z7
 NET "CLKA"   LOC = "K17";

#
# Push button switches
#
 NET "RESET_N" LOC = "G15";
 NET "NMI_N" LOC = "P15";

#
# Status LED
#
# NET "S<0>" LOC = "K18";
# NET "S<1>" LOC = "P16";
# NET "S<2>" LOC = "K19";
# NET "S<3>" LOC = "Y16";

#
# PMOD JC for Pmod RS-232
#
# 1 - V15 - CTS
# 2 - W15 - RTS
# 3 - T11 - TXD
# 4 - T10 - RXD
 NET "RS232_RXD" LOC = "T11";
 NET "RS232_TXD" LOC = "T10";

#
# Timing Constraints
#
NET "CLKA" TNM_NET="CLKA"; 
TIMESPEC "TS_clk"=PERIOD "CLKA" 8 ns HIGH 50 %; 

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