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Altera_Forum's avatar
Altera_Forum
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16 years ago

Are the possibilities to use pins as custom I/O's for external wiring - NEEK

Hi, I've got a NEEK-Starter-Board (Cyclone III, Multimedia Board, Terasic LCD Daughter Card) to work with. The overall goal is to wait for button touches on the touchscreen, then send appropri...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Well it's true that the LCD mezzanine card pretty much consumes any and all available IO. It does seem to me however that there is an I2C bus that is accessible for use.

If you look at your NEEK main board near the HSMC connector you'll see 4 through-holes for an unstuffed header. The pins have the labels "SDA,SCL,3V3, and GND5". I would look into finding out if there is someway you can make use of those.

Also, you do have the RS-232, Ethernet, and PS2 ports that you could use for communication.

Jake