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Altera_Forum's avatar
Altera_Forum
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15 years ago

interfacing to SPI from DE2

I wish to interface via SPI to an analog front end chip (for RX.TX selection, programmable gain etc). I would like to do this from the Terasic DE2 board but the expansion slot is already taken up wit...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I think, you don't need to remove the said resistors to use the PS2 connector as a peripheral interface. But two lines can work for I2C only. If throughput isn't critical, it's actually an option.