3 Development Board Circuit
3.17 LED Module
DBUG375-1.0E
34(40)
Table 3-20 LCD Screen Brightness Control Pinout
Power chip Pin No.
Name
FPGA Pin No.
BANK
I/O Level
Description
4
LCD_C
TR
A12
0
1.2V
LCD screen
brightness control
3.17
LED Module
3.17.1
Introduction
There are four blue LED lights on the development board, which can
be used for demo. 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 shown in Figure 3-18.
Figure 3-18 LED Connection Diagram
LED1
W20
LED2
W22
LED3
V22
LED4
U20
3.3V
3.17.2
Pinout
Table 3-21 LED Pinout
Name
FPGA Pin No.
BANK
I/O Level
Description
LED1
W20
3
1.5V
LED 1
LED2
W22
3
1.5V
LED 2
LED3
V22
3
1.5V
LED 3
LED 4
U20
3
1.5V
LED 4
Note!
SSPI needs to be reused as GPIO.