As you can see, Most of write is done well, but the red box has problem. After red box, I2C data changed from [write] [address] [data 8byte] to [address] [data 8byte] [write] 1. numbytes is fixed as 8, 2. Address is correct because I can read EEPROM with same address(0x50) 3. Timing is correct(5ms) as you can see and same problem is happen when I changed delay from 5ms to 10ms. Can you check if this problem is related to https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1243800/tms320f28388d-i2c-in-free-data-format-mode-sends-address-anyway/4704256?tisearch=e2e-sitesearch&keymatch=startcondition#4704256
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