Panasonic MN101L Series

Chapter 13
Serial Interface
XIII - 64 IIC Communication
 Slave Transmission Timing
Figure:13.5.9 Slave Transmission Timing
(1) Detect start condition
(2) Receive address data (slave address + R/W bit)
(3) Transmit ACK bit
(4) Set data to TXBUFn in interrupt handler
(5) Transmit data
(6) Receive ACK bit
(7) Set data to TXBUFn in interrupt handler
(8) Transmit data
12
. .
. .
8 ACK 1 2 8
IIC3BUSBSY
IIC3STRT
IIC3ADD_ACC
(1)
(3) (4)(2)
(6)(5)
(7)
(8)
ACK
address data
reception
8-bit transmission
Set data to TXBUFn Set data to TXBUFn
SDAn
SCLn
SCnTIRQ