Spartan-3E FPGA Family: Functional Description
iMPACT
Table 53: Variant Select Codes for Various SPI Serial Flash PROMs
Dummy
VS2 VS1 VS0 SPI Read Command
SPI Serial Flash Vendor
SPI Flash Family
Programming
Support
Bytes
M25Pxx
M25PExx/M45PExx
STMicroelectronics (ST)
Atmel
Yes
Yes
AT45DB‘D’-SeriesData
Flash
AT26 / AT25(1)
S33
Intel
Spansion (AMD, Fujitsu)
Winbond (NexFlash)
Macronix
S25FLxxxA
NX25 / W25
MX25Lxxxx
FAST READ (0x0B)
(see Figure 53)
1
1
1
1
SST25LFxxxA
SST25VFxxxA
Silicon Storage Technology
(SST)
Programmable
Microelectronics Corp.
(PMC)
Pm25LVxxx
AMIC Technology
A25L
EN25
Eon Silicon Solution, Inc.
M25Pxx
M25PExx/M45PExx
STMicroelectronics (ST)
Yes
Spansion (AMD, Fujitsu)
Winbond (NexFlash)
Macronix
S25FLxxxA
NX25 / W25
MX25Lxxxx
READ (0x03)
(see Figure 53)
1
0
1
0
SST25LFxxxA
SST25VFxxxA
SST25VFxxx
Silicon Storage Technology
(SST)
Programmable
Microelectronics Corp.
(PMC)
Pm25LVxxx
AT45DB DataFlash
READ ARRAY (0xE8)
(see Figure 54)
(use only ‘C’ or ‘D’
Series for Industrial
temperature range)
1
1
0
4
Atmel Corporation
Yes
Others
Reserved
Notes:
1. See iMPACT documentation for specific device support.
WRITER NOTE: Many of the URLs in this table are obsolete or
otherwise broken.
DS312 (v4.1) July 19, 2013
www.xilinx.com
Product Specification
77
XILINX [ XILINX, INC ]
