27.3.2.2.3.2 Case M2: Address Packet Transmit Complete - Direction Bit Set to ‘1

If a client device responds to the address packet with an ACK, the RXACK flag is set to ‘0’, and the client can start sending data to the host without any delays because the client owns the bus at this moment. The clock hold is active at this point, forcing the SCL low.

The software can prepare to:
  • Read the received data packet from the client