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Altera_Forum's avatar
Altera_Forum
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13 years ago

Yes No question (Using FPGA as a wire)

1-Can I use FPGA, just as a wire, to carry a bidirectional line like I2C SDA from one pin of the FPGA to the other pin of the FPGA. In the FPGA there will not be an i2c master or slave it will just r...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Listen to FvM; "A repeater on a logical protocol level would be possible, but not an easy design".

Your repeater needs to "listen" to the protocol and determine which direction the data is flowing. I've been through this exericse and determined that an FPGA I2C repeater is not worth the effort. Find another way.