![GOWIN DK USB2.0 GW2AR-LV18QN88PC8I7 GW1NSR-LV4CMG64PC7I6 V3.0 User Manual Download Page 22](http://html.mh-extra.com/html/gowin/dk-usb2-0-gw2ar-lv18qn88pc8i7-gw1nsr-lv4cmg64pc7i6-v3-0/dk-usb2-0-gw2ar-lv18qn88pc8i7-gw1nsr-lv4cmg64pc7i6-v3-0_user-manual_2248336022.webp)
3 Development Board Circuit
3.7 LED Module
DBUG408-1.0E
15(16)
3.7
LED Module
3.7.1
Introduction
Two green LEDs on the development board and are used to display
the required status. When the output signal of FPGA corresponding pin is
low, the LED is lit up. When the output signal is high, the LED is off. The
connection diagram is as shown in Figure 3-5.
Figure 3-5 Connection Diagram of LED
LED2
3.3V
3.7.2
Pinout
Table 3-9 GW1NSR-LV4CMG64P LED Pinout
Signal Name
FPGA Pin No.
BANK
I/O Level
Description
F1_LED
G1
2
3.3V
LED 1
Table 3-10 GW2AR-LV18QN88P LED Pinout
Signal Name
FPGA Pin No.
BANK
I/O Level
Description
F2_LED
13
6
3.3V
LED 2
3.8
Keys Module
3.8.1
Introduction
The development board has two keys that can be used to control input
during testing. When the key is pressed, the input is low. The connection
diagram is as shown in Figure 3-6.