Case S3: Stop Condition Received

When the Stop condition is received, the Address or Stop (AP) flag will be set to ‘0’, indicating that a Stop condition, and not an address match, activated the Address or Stop Interrupt Flag (APIF).

The AP and APIF flags are located in the Client Status (TWIn.SSTATUS) register.

The software can prepare to:
  • Wait until a new address packet has been addressed to it