3Development Board Circuit
3.11Key
DBUG354-1.0E
27
(
30
)
3.10.1
Introduction
Four blue LEDs are incorporated into the development board and are
used to display the required status. If the output signal of the related pins is
logic low, LED is on; If logic is high, LED is off. The connection diagram is
shown in Figure 3-13.
Figure 3-13 LED Connection Diagram
LED1
F16
LED2
G12
LED3
F13
LED4
F14
2.5V
3.10.2
Pins Distribution
Table 3-11 LED Pins Distribution
Signal Name FPGA Pin No.
BANK
I/O
Description
LED1
F16
0
2.5V
LED1
LED2
G12
0
2.5V
LED2
LED3
F13
0
2.5V
LED3
LED4
F14
0
2.5V
LED4
Note!
For the V2.0 development board, the BANK0 voltage and BANK1 voltage can be set as
3.3V or 2.5V using J13.
3.11
Key
3.11.1
Introduction
Four key switches are incorporated into the development board. These
are used to control input during testing. The connection diagram is shown
in Figure 3-14.