User guide

6–6 Chapter 6: Board Test System
Using the Board Test System
Cyclone III FPGA Development Kit User Guide September 2010 Altera Corporation
The following sections describe the controls on the GPIO tab.
Character LCD
The Character LCD controls allow you to display text strings on the character LCD on
your board. Type text in the text boxes and then click Write.
1 If you exceed the 16 character display limit on either line, a warning message appears.
User DIP Switches
The read-only User DIP switches control displays the current positions of the
switches in the user DIP switch bank (SW6). Change the switches on the board to see
the graphical display change accordingly.
User LEDs
The User LEDs control displays the current state of the user LEDs. Click the graphical
representation of the LEDs to turn the board LEDs on and off.
Push Button Switches
The read-only Push button switches control displays the current state of the board
user push buttons. Press a push button (S1-S4) on the board to see the graphical
display change accordingly.
7-Segment Display
The 7-segment display control allow you to display hexadecimal numbers on the
7-segment display on your board. Type number in the text box and then click Write.
1 If you enter a hexadecimal value outside of the 0x0000 to 0xFFFF display limit, a
warning message identifies the valid hexadecimal value range.
Ethernet
The Ethernet control allows you to run an Ethernet application (the Simple Socket
Server Test) on your board.
Click Start Simple Socket Server to load the application which allows you to
interactively enter keyboard characters to select menu items. The application
responds to the keypress and takes appropriate action.