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[ADRF6755] Not receiving ACK on  I2C write

Question asked by sailorjerry on Sep 4, 2017
Latest reply on Dec 24, 2017 by sailorjerry

I'm trying to program ADRF6755 on  EVAL-ADRF6755SDZ  board using my I2C master. I tied the CS to ground so the slave address must be b100000.


For some reasons I'm not seeing ADRF6755 pulling SDA low to acknowledge the address. Can some one look at the attached scope shoot and advise what I'm doing wrong and what potential trouble shooting steps should be. I have 4K7 pull ups on both SDA and SCL

I2C sequence