3 Development Board Circuit
3.19 Switches Module
DBUG375-1.2E
30(34)
Figure 3-19 Key Circuit Diagram
V20
T18
U18
T17
KEY1
KEY2
KEY3
KEY4
3.18.2
Pinout
Table 3-22 Keys Module Pinout
Name
FPGA Pin No.
BANK
I/O Level
Description
KEY1
V20
3
1.5V
KEY1
KEY2
T18
3
1.5V
KEY2
KEY3
U18
3
1.5V
KEY3
KEY4
T17
3
1.5V
KEY4
3.19
Switches Module
3.19.1
Introduction
There are four switches on the development board to control input
during testing.
Figure 3-20 Switch Circuit Diagram
SW1
R18
SW2
AB21
SW3
R19
SW4
Y21
1.5V