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I have a STM32H743I-EVAL kit. I'm successfully using I2C1 and I2C2, but I fail to set up I2C4 to transmit as master. (Timeout, waiting for TXIS flag) Any hints on what to check?

fbackvid
Associate II

‎2018-11-01 1:28 AM

 
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Tesla DeLorean
Guru

‎2018-11-01 3:07 AM

I guess I'd start by checking the schematic and pin usage, and whether you need to modify solder bridges or swap resistors to remove board or connector level conflicts.​

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