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SP601 Hardware User Guide www.xilinx.com 19
UG518 (v1.1) August 19, 2009
Detailed Description
X-Ref Target - Figure 1-7
Figure 1-7: SPI Flash Interface Topology
Table 1-6: SPI x4 Memory Connections
FPGA U1
Pin
Schematic Netname
SPI MEM U17 SPI HDR J12
Pin # Pin Name Pin # Pin Name
V2 FPGA_PROG_B 1
V14 FPGA_D2_MISO3 1 IO3_HOLD_B 2
T14 FPGA_D1_MISO2_R 9 IO2_WP_B 3
V3 SPI_CS_B 4 TMS
T13 FPGA_MOSI_CSI_B_MISO0 15 DIN 5 TDI
R13 FPGA_D0_DIN_MISO_MISO1 8 IO1_DOUT 6 TDO
R15 FPGA_CCLK 16 CLK 7 TCK
8GND
9 VCC3V3
J15.2 SPIX4_CS_B 7 CS_B
U1
FPGA SPI INTERFACE
U17
J12
SPI X4
FLASH
MEMORY
WINBOND
W25Q64VSFIG
SPI PROGRAM
HEADER
SPI SELECT
JUMPER
ON = SPI X4 U17
OFF = SPI EXT. J12
SPIX4_CS_B
DIN,DOUT,CCLK
SPI_CS_B
2
J15
1
UG518_07_070809