RL78/G1P
CHAPTER 12 SERIAL INTERFACE IICA
R01UH0895EJ0100 Rev.1.00
521
Nov 29, 2019
(3) Slave device operation (when receiving extension code)
The device is always participating in communication when it receives an extension code.
(a) Start ~ Code ~ Data ~ Data ~ Stop
(i) When WTIMn = 0
1: IICSn = 0010×010B
2: IICSn = 0010×000B
3: IICSn = 0010×000B
4: IICSn = 00000001B
Remark
: Always
generated
: Generated only when SPIEn = 1
×:
Don’t
care
(ii) When WTIMn = 1
1: IICSn = 0010×010B
2: IICSn = 0010×110B
3: IICSn = 0010×100B
4: IICSn = 0010××00B
5: IICSn = 00000001B
Remark
: Always
generated
: Generated only when SPIEn = 1
×:
Don’t
care
Remark
n = 0, 1
ST
AD6 to AD0
R/W ACK
D7 to D0
D7 to D0
ACK
ACK
SP
3
4
2
1
ST
AD6 to AD0
R/W ACK
D7 to D0
D7 to D0
ACK
ACK
SP
3
4
5
2
1