Panasonic MN101L Series

Chapter 13
Serial Interface
XIII - 62 IIC Communication
13.5.3 Timing
 Master Transmission Timing
Figure:13.5.7 Master Transmission Timing
(1) Generate start condition by setting data to TXBUFn
(2) Transmit Address data (slave address + R/W bit)
(3) Receive ACK bit
(4) Set data to TXBUFn in interrupt handler
(5) Transmit data
(6) Receive ACK bit
(7) Set SCnMD3.IIC3STPC in interrupt handler
(8) Generate stop condition
12
. .
. .
8 ACK 1 2 8
Set data to TXBUFn Set IIC3STPC
(1) (2) (3) (4) (5) (6) (8)(7)
Set data to TXBUFn
ACK
address data
transmission
8 bits transmission
SDAn
SCLn
SCnTIRQ
IIC3BUSBSY