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ZC702 Board User Guide
www.xilinx.com
16
UG850 (v1.2) April 4, 2013
Feature Descriptions
I/O Voltage Rails
There are four PL I/O banks available on the XC7Z020 AP SoC. The voltages applied to the
XC7Z020 AP SoC I/O banks used by the ZC702 board are listed in
Table 1-3
.
X-Ref Target - Figure 1-5
Figure 1-5:
Encryption Key Backup Circuit
Table 1-3:
I/O Voltage Rails
XC7Z020 (U1)
Bank
Net Name
Voltage
Connected To
PL Bank 0
VCC2V5_PL
2.5V
AP SoC Configuration Bank 0
PL Bank 13
VADJ
(1)
2.5V
FMC2, GPIO, PL_PJTAG, IIC_MAIN
PL Bank 33
FMC2, HDMI Codec
PL Bank 34
FMC1, HDMI Codec
PL Bank 35
FMC1, HDMI Codec, XADC_GPIO, GPIO
PS Bank 500
VCCMIO_PS
1.8V
Quad-SPI flash memory, misc
PS Bank 501
Ethernet PHY, USB ULPI Transceiver, SDIO, CAN
PS Bank 502
VCC1V5_PS
1.5V
PS_DDR3 MEM
Notes:
1. The ZC702 board is shipped with V
ADJ
set to 2.5V.
UG850_c1_05_030513
GND
2
1
B1
Lithium Battery
Seiko
TS518SE_FL35E
1.5V
2
1
3
BAS40-04
D8
40V
200 mW
NC
FPGA_VBATT
+
VCCAUX
R2
4.70K 1%
1/16W
To AP SoC
U1 Pin G9
(VCCBATT)