XC3S100E Xilinx Corp., XC3S100E Datasheet - Page 79

• Manufacturer Part Number: XC3S100E
• Description: Spartan-3e Fpga Family Complete Data Sheet
• Manufacturer: Xilinx Corp.

Table 52: Variant Select Codes for Various SPI Serial Flash PROMs
PROM and the FPGA’s SPI configuration interface. Each
SPI Flash PROM vendor uses slightly different signal nam-
ing. The SPI Flash PROM’s write protect and hold controls
DS312-2 (v3.6) May 29, 2007
Product Specification
W
VS2 VS1 VS0
1
1
1
Table 53
Others
1
0
1
R
shows the connections between the SPI Flash
1
1
0
FAST READ (0x0B)
(see
READ (0x03)
(see
READ ARRAY (0xE8)
(see
Reserved
Command
SPI Read
Figure
Figure
Figure
53)
53)
54)
Dummy
Bytes
1
0
4
STMicroelectronics (ST)
Atmel
Intel
Spansion (AMD, Fujitsu)
Winbond (NexFlash)
Macronix
Silicon Storage
Technology (SST)
Programmable
Microelectronics Corp.
(PMC)
AMIC Technology
Eon Silicon Solution, Inc.
STMicroelectronics (ST)
Spansion (AMD, Fujitsu)
Winbond (NexFlash)
Macronix
Silicon Storage
Technology (SST)
Programmable
Microelectronics Corp.
(PMC)
Atmel Corporation
SPI Serial Flash Vendor
www.xilinx.com
are not used by the FPGA during configuration. However,
the HOLD pin must be High during the configuration pro-
cess. The PROM’s write protect input must be High in order
to write or program the Flash memory.
M25Pxx
M25PExx/M45PExx
AT45DB ‘D’-Series
Data Flash
AT26 / AT25
S33
S25FLxxxA
NX25
MX25Lxxxx
SST25LFxxxA
SST25VFxxxA
Pm25LVxxx
A25L
EN25
M25Pxx
M25PExx/M45PExx
S25FLxxxA
NX25
MX25Lxxxx
SST25LFxxxA
SST25VFxxxA
SST25VFxxx
Pm25LVxxx
AT45DB DataFlash
(use only ‘
Series for Industrial
temperature range
SPI Flash Family
/
/
W25
W25
C’ or ‘D’
Functional Description
)
Programming
Support
iMPACT
Yes
Yes
Yes
Yes
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