STMicro SPI serial Flash, Atmel serial DataFlash
STMicroelectronics M25P16 16 Mbit SPI serial Flash PROM
Atmel AT45DB161D 16 Mbit serial DataFlash PROM
®
Atmel DataFlash
STMicro SPI Flash
SPI Flash
select jumpers
www.st.com/stonline/products/families/memories/fl_ser/index.htm
The Spartan-3A Starter Kit board supports multiple pad landings for each SPI Flash architecture.
However, only one STMicro and one Atmel PROM are mounted on the board.
www.atmel.com/products/DataFlash/
(Jumper J1)
J1
J1
DONE
CE
GND
J46
PROM
Platform Flash Jumper
(Jumper J46)
Jumper J1 defines which SPI Flash is used for
SPI mode configuration and which is available
using a second SPI slave select signal.
Configure From:
Atmel Select Signal:
STMicro Select Signal:
M0
M1
M2
J26
Atmel
STMicro
SPI_SS_B
SPI_SS_B
ALT_SS_B
ALT_SS_B
Remove Jumper J46
to configure FPGA
from SPI Flash PROM
Mode Select Jumpers
(Jumper J26)
Master SPI Mode
M[2:0]=<0:0:1>
NOTE:
Jumper J1 appears on schematic Page 3.