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ZC702 Board User Guide
www.xilinx.com
19
UG850 (v1.2) April 4, 2013
Feature Descriptions
Note:
The ZC702 DDR3 4x 8-bit component memory interface adheres to the constraints guidelines
documented in the DDR3 Design Guidelines section of
7 Series FPGAs Memory Interface Solutions
v1.8 User Guide
(
UG586
). The ZC702 DDR3 memory interface is a 40
Ω
impedance implementation.
Other memory interface details are available in UG586 and
7 Series FPGAs Memory Resources
User Guide
(
UG473
).
Quad-SPI Flash Memory
[
Figure 1-2
, callout
3
]
The Quad-SPI flash memory located at U41 provides 128 Mb of non-volatile storage that
can be used for configuration and data storage.
•
Part number: N25Q128A11ESF40G (Micron/Numonyx)
•
Supply voltage: 1.8V
•
Data path width: 4 bits
•
Data rate: Various depending on Single/Dual/Quad mode
G4
PS_DDR3_A14
N7
A14
U66, U67, U68, U69
L7
PS_DDR3_BA0
J2
BA0
U66, U67, U68, U69
L6
PS_DDR3_BA1
K8
BA1
U66, U67, U68, U69
M6
PS_DDR3_BA2
J3
BA2
U66, U67, U68, U69
N4
PS_DDR3_CLK_P
F7
CK
U66, U67, U68, U69
N5
PS_DDR3_CLK_N
G7
CK_B
U66, U67, U68, U69
V3
PS_DDR3_CKE
G9
CKE
U66, U67, U68, U69
R4
PS_DDR3_WE_B
H3
WE_B
U66, U67, U68, U69
P3
PS_DDR3_CAS_B
G3
CAS_B
U66, U67, U68, U69
R5
PS_DDR3_RAS_B
F3
RAS_B
U66, U67, U68, U69
F3
PS_DDR3_RESET_B
N2
RESET_B
U66, U67, U68, U69
P6
PS_DDR3_CS_B
H2
CS_B
U66, U67, U68, U69
P5
PS_DDR3_ODT
G1
ODT
U66, U67, U68, U69
M7
PS_VRN
N7
PS_VRP
H7
VTTVREF_PS
P7
VTTVREF_PS
Table 1-4:
DDR3 Component Memory Connections to the XC7Z020 AP SoC
(Cont’d)
XC7Z020 (U1) Pin
Net Name
Component Memory
Pin Number
Pin Name
Reference
Designator