The GPIO Tab
The GPIO tab allows you to interact with all the general purpose user I/O components on your board.
You can write to the character LCD, read DIP switch settings, turn LEDs on or off, and detect push button
presses.
Figure 4-4: The GPIO Tab
Table 4-2: Controls on the GPIO Tab
Character LCD
Allows you to display text strings on the character LCD on your board.
Type text in the text boxes and then click Display.
User DIP Switch
Displays the current positions of the switches in the user DIP switch
bank (SW2). Change the switches on the board to see the graphical
display change accordingly.
User LEDs
Displays the current state of the user LEDs for the FPGA. To toggle the
board LEDs, click the 0 to 7 buttons to toggle red or green LEDs, or
click the All button.
UG-01170
2015.06.26
The GPIO Tab
4-7
Board Test System
Altera Corporation
