I have a problem about communication LM5066I-EVM with using FT2232H mini module. In my opinion The LM5066I IC is working, it can control its output with using the switch S1 on the EVM. But I couldn't test other properties(parameter write/read) of IC because lack of communication. I couldnt observe PMBus communication signals(SDA and SCL) between FT2232H and LM5066I on oscilloscope so far. The connection between FT2232H module and computer is exist, FT2232H appeared on the computer's device manager. But the softwares(SMP-GUI and PI-Commander) which were downloaded from TI website, couldnt perform to communicate with LM5066I IC.
Can you help me about that problem.LM5066I-EVM.pdf
