ASC Bridge Board
Evaluation Board User Guide
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All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
FPGA-EB-02025-2.0
13
13.
Push Buttons
Two push-button switches are connected to FPGA I/O with a 10 kΩ pull-up resistor tied to the 3.3 V supply. Depressing
the button drives a logic level “0” to the device.
Table 13.1. Momentary Push-Buttons
Push Button SW
MachXO3-9400
ECP5-45
FPGA Board
Signal Name
Ball
Pad
Ball
Pad
SW1
C6
PT14C
A9
PT33A
EXPCON_IO12
SW2
D8
PT15B
B15
PT69A
EXPCON_IO16
14.
LED Indicators
The D1 blue LED illuminates when 3.3 V power is applied to the ASC Bridge Board. The red LEDs, D2, D3, and D4
illuminate when the corresponding ASC Breakout Boards are installed on the ASC0, ASC1 or ASC2 connectors.
15.
Demonstration Design
For all the latest demo designs and documentation, please see the Lattice web page for the ASC Bridge Board.
