参数资料
型号: HW-SPAR3A-SK-UNI-G
厂商: Xilinx Inc
文件页数: 96/143页
文件大小: 0K
描述: KIT STARTER W/SPARTAN-3A
产品培训模块: FPGAs Spartan3
产品变化通告: Adapter Replacement 23/May/2008
标准包装: 1
系列: Spartan®-3A
类型: FPGA
适用于相关产品: Spartan?3A FPGA,XC3S700A-FG484
所含物品: 板,线缆,文档,电源
相关产品: XC3S700A-5FTG256C-ND - IC FPGA SPARTAN-3A 256K 256FTBGA
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XC3S700A-5FG484C-ND - IC SPARTAN-3A FPGA 700K 484FBGA
XC3S700A-5FG400C-ND - IC SPARTAN-3A FPGA 700K 400FBGA
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其它名称: 122-1514
Chapter 12: SPI Serial Flash
Shared SPI Flash and Platform Flash Data Line
The SPI_MISO signal from the two SPI Flash PROMs is shared with data output signals
from the parallel NOR Flash PROM and the serial output from the Platform Flash PROM
as shown in Table 12-3 . To avoid contention, the FPGA application must ensure that only
one data source is active at any time.
R
Table 12-3:
Possible Potential Competing Devices on SPI_MISO (NF_D<0>) Data
Signal or
Jumper
Jumper J46
FPGA_INIT_B
SPI_SS_B
ALT_SS_B
NF_CE
Disabled Device
Platform Flash PROM.
SPI Flash PROM selected by
Jumper J1, as shown in
SPI Flash PROM selected by
Jumper J1, as shown in
Parallel Flash PROM
Disable Value
Set to “Disabled” or “Enable
during Configuration” as
shown in Table 4-2, page 42 .
FPGA_INIT_B has no effect.
If set to “Always Enabled,” then
FPGA_INIT_B must be 1
1
1
NF_CE = 1 or NF_OE = 1
NF_OE
Jumper Settings to Configure FPGA from Selected SPI Flash PROM
To successfully configue the Spartan-3A FPGA from the selected external SPI Flash PROM,
set the following jumpers as described below.
?
?
Set the FPGA configure mode, using the Jumper J26 jumper header, shown in
Disable the Platform Flash PROM using Jumper J46, shown in Table 12-4 .
Table 12-4:
Configuration Mode Jumper Settings for Master SPI Mode (J26, J46)
Mode Pins
Platform Flash
Configuration Mode
Master SPI
M2:M1:M0
0:0:1
Jumper J26 Settings
M0
M1
M2
J26
Enable (J46)
DONE
CE
PROM
GND
J46
?
Select one of the SPI serial Flash PROMs as the SPI configuration source, as shown in
96
Spartan-3A FPGA Starter Kit Board User Guide
UG330 (v1.3) June 21, 2007
相关PDF资料
PDF描述
HW-SPAR3AN-SK-UNI-G KIT STARTER SPARTAN-3 AN
HW-V4-ML403-UNI-G-J EVALUATION PLATFORM VIRTEX-4
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