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Intel StrataFlash Parallel NOR Flash
PROM
As shown in
Intel StrataFlash parallel NOR Flash PROM. As indicated, some of the StrataFlash
connections are shared with other components on the board.
The StrataFlash PROM provides various functions:
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•
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Spartan-3E Starter Kit Board User Guide
UG230 (v1.0) March 9, 2006
Figure
11-1, the Spartan-3E Starter Kit boards includes a 128 Mbit (16 Mbyte)
Spartan-3E FPGA
LDC0
LDC1
HDC
LDC2
User I/O
User I/O
User I/O
D[7:1]
D[0]
User I/O
A[19:0]
A[23:20]
CoolRunner-II CPLD
Figure 11-1: Connections to Intel StrataFlash Flash Memory
Stores a single FPGA configuration in the StrataFlash device.
Stores two different FPGA configurations in the StrataFlash device and dynamically
switch between the two using the Spartan-3E FPGA's MultiBoot feature.
Stores and executes MicroBlaze processor code directly from the StrataFlash device.
www.xilinx.com
Intel StrataFlash
CE2
CE1
SF_CE0
CE0
SF_OE
OE#
SF_WE
WE#
SF_BYTE
BYTE#
SF_STS
STS
SF_D<15:12>
D[15:12]
SF_D<11:8>
D[11:8]
SF_D<7:1>
D[7:1]
SPI_MISO
D[0]
SF_A<24:20>
A[24:20]
SF_A<19:0>
A[19:0]
Character LCD
[7:4]
DB[7:4]
Chapter 11
SPI Serial Flash
Q
ADC
SDO
DAC
SDO
Platform Flash
D0
UG230_c11_01_030206
81
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