Dac Outputs C And D; Ucf Location Constraints; Related Resources - Xilinx MIcroBlaze Development Spartan-3E 1600E Kit User Manual

R

DAC Outputs C and D

Equation 9-3
reference voltage associated with DAC outputs A and B is 2.5V 5%.

UCF Location Constraints

Figure 9-5
assignment and the I/O standard used.

Related Resources

MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide
UG257 (v1.1) December 5, 2007
provides the output voltage equation for DAC outputs A and B. The
V
OUTC
provides the UCF constraints for the DAC interface, including the I/O pin
NET "SPI_MISO" LOC = "N10" | IOSTANDARD = LVCMOS33 ;
NET "SPI_MOSI" LOC = "T4"
NET "SPI_SCK" LOC = "U16" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
NET "DAC_CS" LOC = "N8"
NET "DAC_CLR" LOC = "P8"
Figure 9-5: UCF Location Constraints for the DAC Interface
LTC2624 Quad DAC Data Sheet
http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1155,C1005,C1156,
P2048,D2170
PicoBlaze Based D/A Converter Control for the Spartan-3E Starter Kit (Reference
Design)
http://www.xilinx.com/sp3e1600e
Xilinx PicoBlaze Soft Processor
http://www.xilinx.com/picoblaze
Digilent, Inc. Peripheral Modules
http://www.digilentinc.com/Products/Catalog.cfm?Nav1=Products&
Nav2=Peripheral&Cat=Peripheral
D 11:0
-------------------- - 2.5V 5%
=
4096
| IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
| IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
| IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
UCF Location Constraints
Equation 9-3
UG257_09_05_060606
www.xilinx.com
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