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Altera_Forum's avatar
Altera_Forum
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12 years ago

I2C Level Shift use PLD

Does anyone know how to implement a i2c level shift use PLD, verilog or vhdl is OK. Thanks advance!
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

With only FPGA hardware at your disposal you will have to design a state machine that decodes the I2C protocol, and from that finds out if the master is reading or writing. Then it can control the buffers in one direction or the other.