Quad-Spi Flash Memory - Xilinx AC701 User Manual

Chapter 1: AC701 Evaluation Board Features
Table 1-4: DDR3 Memory Connections to the FPGA (Cont'd)
Other memory interface details are available in UG586, 7 Series FPGAs Memory Interface
Solutions User Guide and UG473, 7 Series FPGAs Memory Resources User Guide

Quad-SPI Flash Memory

[Figure
The Quad-SPI Flash memory U7 provides 256 Mb of non-volatile storage that can be used
for configuration and data storage.
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Four data lines and the FPGA's CCLK pin are wired to the Quad-SPI Flash memory. The
connections between the SPI Flash memory and the FPGA are listed in
Table 1-5: Quad-SPI Flash Memory Connections to the FPGA
The configuration section of UG470, 7 Series FPGAs Configuration User Guide provides details
on using the Quad-SPI Flash memory.
Flash memory on the AC701 board. For more details, see the Numonyx
N25Q256A13ESF40G data sheet http://www.micron.com.
16
U1 FPGA Pin Net Name
P1 DDR3_RAS_B
P4 DDR3_CKE0
N4 DDR3_CKE1
L2 DDR3_CLK0_N
M2 DDR3_CLK0_P
N2 DDR3_CLK1_N
N3 DDR3_CLK1_P
1-2, callout 3]
Part number: N25Q256A13ESF40G (Numonyx)
Supply voltage: 3.3V
Data path width: 4 bits
Data rate: Various depending on Single/Dual/Quad mode and CCLK rate
U1 FPGA Pin Net Name
R14 FLASH_D0
R15 FLASH_D1
P14 FLASH_D2
N14 FLASH_D3
H13 FPGA_CCLK
P18 QSPI_IC_CS_B
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J1 DDR3 Memory
Pin Number Pin Name
110 RAS_B
73 CKE0
74 CKE1
103 CK0_N
101 CK0_P
104 CK1_N
102 CK1_P
U7 Quad-SPI Flash Memory
Pin Number Pin Name
15 DQ0
8 DQ1
9 DQ2
1 DQ3
16 C
7 S_B
Figure 1-5 shows the connections of the Quad-SPI
UG952 (v1.0) October 23, 2012
Table 1-5.
AC701 Evaluation Board