Case S2: Address
Packet Accepted - Direction Bit Set to ‘1’
If an ACK is sent by the client after the
address packet is received, and the DIR bit is set to ‘1’, the host
indicates a read operation, and the Data Interrupt Flag (DIF) in the Client Status
(TWIn.SSTATUS) register will be set to ‘1’.
The clock hold is active at this point, forcing the SCL low.
The software can prepare to:
- Transmit data packets to the host