3 Development Board Circuit
3.6 Switches
DBUG388-1.0E
14(22)
3.5.2
LED Circuit
Figure 3-5 LED Circuit
LED1
33
VCC3P3
F_LED1
GW1NS4/GW1NSR4/GW1NSER4
U1
3.5.3
Pins Distribution
Table 3-4 LED Pins Distribution
Signal Name
Pin No.
BANK
Description
I/O Level
F_LED1
33
2
LED1
2.5V / 1.2V
3.6
Switches
3.6.1
Overview
There are four slide switches in the development board to control
program downloading and MCU debugging. Please refer to PCB board
screen printing for specific operation instructions.
3.7
Key
3.7.1
Overview
There is one key switch in the development board. Users can manually
input low level to the corresponding FPGA pins for testing purposes.