Xilinx MIcroBlaze Development Spartan-3E 1600E Kit

MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide 61
UG257 (v1.1) December 5, 2007 www.xilinx.com
UCF Location Constraints
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UCF Location Constraints
Figure 7-2 and Figure 7-3 provide the UCF constraints for the DTE and DCE RS-232 ports,
respectively, including the I/O pin assignment and the I/O standard used.
Figure 7-2: UCF Location Constraints for DTE RS-232 Serial Port
Figure 7-3: UCF Location Constraints for DCE RS-232 Serial Port
NET "RS232_DTE_RXD" LOC = "U8" | IOSTANDARD = LVTTL ;
NET "RS232_DTE_TXD" LOC = "M13" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;
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NET "RS232_DCE_RXD" LOC = "R7" | IOSTANDARD = LVTTL ;
NET "RS232_DCE_TXD" LOC = "M14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;
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