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AC701 Evaluation Board www.xilinx.com 11
UG952 (v1.1) January 30, 2013
Feature Descriptions
I/O Voltage Rails
In addition to Bank 0, there are 8 I/O banks available on the Artix-7 device. The voltages
applied to the FPGA I/O banks used by the AC701 board are listed in
Table 1-3.
X-Ref Target - Figure 1-4
Figure 1-4: Encryption Key Backup Circuit
UG952_c1_04_092812
GND
2
2
1
1
B1
1.5V
Seiko
TS518SE_FL35E
2
1
3
BAS40-04
D6
40V
200 mW
NC
FPGA_VBATT
+
VCC1V8 (1.8V)
R83
4.70K 5%
1/10W
Table 1-3: FPGA Bank Voltage Rails
U1 FPGA Bank
Power Supply Rail
Net Name
Voltage
Bank 0 FPGA_3V3 3.3V
Bank 12 VCCO_VADJ 2.5V
Bank 13 FPGA_1V8 1.8V
Bank 14 FPGA_3V3 3.3V
Bank 15 VCCO_VADJ 2.5V
Bank 16 VCCO_VADJ 2.5V
Bank 33 FPGA_1V5 1.5V
Bank 34 FPGA_1V5 1.5V
Bank 35 FPGA_1V5 1.5V
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