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CC2640: I2C transmission speed

Part Number: CC2640
Other Parts Discussed in Thread: CC2642R

Team,

the CC2640 and CC2642R user guides state two transmission speeds for I2C:

  • Standard: 100 kHz
  • Fast: 400 kHz

My customer also found settings for 1MHz and 3.3MHz in our driver settings.
1MHz seems to work with no issue.

Can they run the I2C with 1MHz or do you see/expect any issues?

Thanks!