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Altera_Forum
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15 years ago

I2C slave in Cyclone II device

Hi, I have written a simple I2C slave receiver in vhdl that I want to put in a cyclone II device. It is asynchronous and detects start and stops and device address + Rd/Wr and subadress. If...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi,

a glitch filter on the SCL line seems to work just fine! At least I can send some bytes now.:)

I used a internal clk and set the FILTER_LENGTH to 3

so spikes shorter than three oscillator periods are filtered out.

Thanks, nice talking to You!