Spartan-3E FPGA Family: Functional Description
Table 53: Variant Select Codes for Various SPI Serial Flash PROMs
iMPACT
Programming
Support
Dummy
Bytes
VS2 VS1 VS0 SPI Read Command
SPI Serial Flash Vendor
SPI Flash Family
M25Pxx
STMicroelectronics (ST)
Yes
Yes
M25PExx/M45PExx
AT45DB‘D’-SeriesData
Flash
Atmel
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.
DS312 (v4.2) December 14, 2018
www.xilinx.com
Product Specification
77
XILINX [ XILINX, INC ]
