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This bit is cleared by setting the INT bit to 0 in a write operation.
[bit 4] LRB (Last Received Bit)
This bit stores Acknowledge.
This bit stores an Acknowledge sent from the receiving side.
This bit is cleared when a start or stop condition is detected.
[bit 3] TRX (Transfer/Receive)
This bit indicates whether data transfer is a transmission or reception.
0
Reception status
1
Transmission status
[bit 2] AAS (Addressed As Slave)
This bit is used to detect the addressing status.
0
Addressing is not made in slave mode.
1
Addressing is made in slave mode.
This bit is cleared by detecting a start or stop condition.
[bit 1] GCA (General Call Address)
This bit is used to detect a general call address (00H).
0
General call address is not received in slave mode.
1
General call address is received in slave mode.
This bit is cleared by detecting a start or stop condition.
[bit 0] FBT (First Byte Transfer)
This bit is used to detect the first byte.
0
The received item of data is not the first byte.
1
The received item of data is the first byte (address data).
Even if this bit is set to 1 by detecting a start condition, this bit will be cleared if the INT bit is
set to 0 by writing, or if addressing is omitted in slave mode.
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CHAPTER 16 I
C INTERFACE
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