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AFE4300 Ready Never Low

Jambu Jambulingam
Prodigy 10 points
Other Parts Discussed in Thread: AFE4300

Hi,

After configuring SPI on my microprocessor (ATmega 1284P), and after writing all of the configurations for the AFE4300 BCM measurement  (using Full Wave Rectification), I noticed that the RDY output never is low in the first place. It is always high, from power up. I have configured the RDY pin as at Output from my microprocessor, please let me know if you know of any solution to this problem. It seems like the AFE4300 might be continuously driving the RDY pin high, even before setting the configuration for the AFE.

Due to this, when I finally turn on the ADC to begin the conversion, I never see the "pulse" as shown on page 19 of the AFE4300 datasheet. I have tried both Continuous Mode and Single Shot mode, and I still am reaching the same error. Any help is greatly appreciated.