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RL78/G1P
CHAPTER 12 SERIAL INTERFACE IICA
R01UH0895EJ0100 Rev.1.00
524
Nov 29, 2019
(d) Start ~ Code ~ Data ~ Start ~ Address ~ Data ~ Stop
(i) When WTIMn = 0 (after restart, does not match address (= not extension code))
1: IICSn = 0010×010B
2: IICSn = 0010×000B
3: IICSn = 00000×10B
4: IICSn = 00000001B
Remark
: Always
generated
: Generated only when SPIEn = 1
×:
Don’t
care
(ii) When WTIMn = 1 (after restart, does not match address (= not extension code))
ST
AD6 to AD0
R/W ACK
D7 to D0
AD6 to AD0
ACK
ACK
SP
ST
R/W
D7 to D0
ACK
3
4
5
2
1
1: IICSn = 0010×010B
2: IICSn = 0010×110B
3: IICSn = 0010××00B
4: IICSn = 00000×10B
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
AD6 to AD0
ACK
ACK
SP
ST
R/W
D7 to D0
ACK
3
4
2
1