Panasonic MN101L Series

Chapter 13
Serial Interface
XIII - 56 IIC Communication
13.5 IIC Communication
This section describes IIC communication.
The index "n" of interface denotes "n = 2, 3", unless otherwise noted.
When executing IIC communication with SCIFn, set SCnMD3.SCnCMD to "1".
13.5.1 Format
 Transfer Format
SCIFn supports "7-bit addressing format" in which 7-bit slave addresses are sent following a start condition
Figure:13.5.1 Communication Sequence in 7-bit Addressing Format
Data from other IIC
ACK
NACK ACK
Start
condition
Start
condition
Start
condition
Start
condition
Slave address
Slave address
Slave address
Slave address
Data
Stop
condition
Data
Stop
condition
Data
Stop
condition
Data
Stop
condition
ACK ACK
Master
transmission
Master
reception
Slave
transmission
Slave
reception
XXXXXXX 1
XXXXXXX 0
XXXXXXX 0
XXXXXXX 1
__
R/W
__
R/W
__
R/W
__
R/W
ACK ACK
NACK