3FPGA Circuits
3.3Power Supply
DBUG353-1.06E
12(25)
3.3.2
Power System Distribution
Figure 3-2 Power System Distribution
5V 2A
Power
Adapter
TPS7A7001
LDO
3.3V 2A
TPS7A7001
LDO
2.5V 2A
VCCO0
(FPGA)
40PIN GPIO
40PIN GPIO
USB to JTAG
(
FT2232
)
Configure FLASH
(W25Q64)
Key&Switch
TPS7A7001
LDO
1.2V 2A
VCCO1
(FPGA)
VCCO2
(FPGA)
VCCO3
(FPGA)
VCCX
(FPGA)
VCC
(FPGA)
LED*4
3.3.3
Power Pins Distribution
Table 3-2 GW1N-4 FPGA Power Pins Distribution
Signal Name FPGA Pins No.
BANK
Description
I/O Voltage
VCCO0
109,127
0
I/O Bank Voltage
3.3V/2.5V/1.2V
VCCO1
77,91
1
I/O Bank Voltage
3.3V/2.5V
VCCO2
37,55
2
I/O Bank Voltage
3.3V/2.5V/1.2V
VCCO3
5,19
3
I/O Bank Voltage
3.3V/2.5V/1.2V
VCCX
31,103
-
Auxiliary Voltage
3.3V
VCC
1,36,73,108
-
Core Voltage
1.2V
VSS
2,17,33,35,53,74,
89,105,107,125
-
GND
-