3 Development Board Circuit
3.4 Clock, Reset
DBUG388-1.1E
12(21)
3.3.3
Power Supply Pinout
Table 3-2 FPGA Power Supply Pinout
Signal Name
Pin No.
BANK
Description
I/O Level
VCCO0
5
0
I/O Bank Voltage
2.5V/1.8V/1.2V
VCCO1
38
1
I/O Bank Voltage
2.5V/1.8V/1.2V
VCCO2
36
2
I/O Bank Voltage
2.5V/1.2V
VCCO3
12, 24
3
I/O Bank Voltage
1.8V
VCCX
25
-
Auxiliary voltage
2.5V
VCC
11, 37
-
Core voltage
1.2V
VSS
26
-
GND
-
3.4
Clock, Reset
3.4.1
Overview
The development board provides a 50MHz crystal oscillator connected
to the PLL input pin. This can be employed as the input clock for the PLL in
FPGA. Frequency division and multiplication of PLL can output the clock
required by the user.
3.4.2
Clock, Reset
Figure 3-4 Clock, Reset
22
23
KEY2
50MHz
ADM811
3.3V
F_RST_N
F_CLK
U1
U2
X2
GW1NSR-LV4CQN48PC7I6_V1.1
SN74
AVC4
T245
U26
3.4.3
Pinout
Table 3-3 FPGA Clock and Reset Pinout
Signal Name
Pin No.
BANK
Description
I/O Level
FPGA_CLK
22
3
50MHz crystal oscillator Input 1.8V
FPGA_RST_N
23
3
Reset Signal, Active Low
1.8V
Содержание DK START GW1NSR-LV4CQN48PC7I6 V 1.1
Страница 1: ...DK_START_GW1NSR LV4CQN48PC7I6_V 1 1 User Guide DBUG388 1 1E 07 30 2021 ...
Страница 29: ......