HW-SPAR3E-SK-UK-G Xilinx Inc, HW-SPAR3E-SK-UK-G Datasheet - Page 81
HW-SPAR3E-SK-UK-G
Manufacturer Part Number
HW-SPAR3E-SK-UK-G
Description
KIT STARTER SPARTAN-3E
Manufacturer
Xilinx Inc
Specifications of HW-SPAR3E-SK-UK-G
Tool / Board Applications
General Purpose MCU, MPU, DSP, DSC
Development Tool Type
Hardware / Software - Starter Kit
Mcu Supported Families
Spartan-3E
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
HW-SPAR3E-SK-US-UK-G
HW-SPAR3E-SK-US-UK-G
HW-SPAR3E-SK-US-UK-G
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Disable Other Devices on the SPI Bus to Avoid Contention
Connecting Analog Inputs
Related Resources
Spartan-3E FPGA Starter Kit Board User Guide
UG230 (v1.2) January 20, 2011
R
The SPI bus signals are shared by other devices on the board. It is vital that other devices
are disabled when the FPGA communicates with the AMP or ADC to avoid bus
contention.
devices. Although the StrataFlash PROM is a parallel device, its least-significant data bit is
shared with the SPI_MISO signal. The Platform Flash PROM is only potentially enabled if
the FPGA is set up for Master Serial mode configuration.
Table 10-4: Disable Other Devices on SPI Bus
Connect AC signals to VINA or VINB via a DC blocking capacitor.
•
•
•
•
SPI_SS_B
AMP_CS
DAC_CS
SF_CE0
FPGA_INIT_B
Amplifier and A/D Converter Control for the Spartan-3E Starter Kit (Reference
Design)
http://www.xilinx.com/s3estarter
Xilinx PicoBlaze Soft Processor
http://www.xilinx.com/picoblaze
LTC6912 Dual Programmable Gain Amplifiers with Serial Digital Interface
http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1154,C1009,C1121,P7596,D5359
LTC1407A-1 Serial 14-bit Simultaneous Sampling ADCs with Shutdown
http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1155,C1001,C1158,P2420,D1295
Signal
Table 10-4
provides the signals and logic values required to disable the other
SPI Serial Flash
Programmable Pre-Amplifier
DAC
StrataFlash Parallel Flash PROM
Platform Flash PROM
www.xilinx.com
Disable Other Devices on the SPI Bus to Avoid Contention
Disabled Device
Disable Value
1
1
1
1
0
81
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