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CC2640: ADC reset failure

Part Number: CC2640
Other Parts Discussed in Thread: ADS7924

I am using cc2640 interfaced with ADS1769 over I2C bus. When I do ADC reset, by writing 0xAA into reset register( 0x16), the I2C transfer fails(due to I2C bus busy error). It works when 1 second delay is added before and after ADC reset.

Note: I2C transfer was working fine just before the ADC reset.

We are currently using the follow tools and API versions:

  • simplelink_cc2640r2_sdk_1_35_00_33
  • IAR