3 Development Board Circuit
3.17 LED Module
DBUG375-1.2E
29(34)
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.
3.18
Keys Module
3.18.1
Introduction
The development board has four keys that can be used to control input
during testing. When the key is pressed, the input is low. The diagram is as
shown in Figure 3-19.
Содержание DK-START-GW2A55-PG484 V1.3
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