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DS90UB962-Q1: Dual I2C Usage Clarification

David Shumate
Expert 7905 points
Part Number: DS90UB962-Q1

Hi Team,

With a 953/962 pair, after Aliases are setup can you help me understand if both I2C channels can be used at the same time.

1a. For example can I2C1 be used to communicate back and forth to remote sensor1 while simultaneously I2C2 is communicating with remote sensor2?

1b. If this is okay, can both I2C channels also be running at 1Mhz simultaneously?

Thanks for the help!

David

  • 0
    TI__Guru** 108100 points

    Hello David,

    The answer is yes for both questions. The second I2C port allows independent control of the DS90UB962-Q1 as well as remote devices by the second processor. However, RESET_CTL Register (0x01) can only be written by the primary I2C port.