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RL78/G1P
CHAPTER 12 SERIAL INTERFACE IICA
R01UH0895EJ0100 Rev.1.00
516
Nov 29, 2019
(c) Start ~ Code ~ Data ~ Data ~ Stop (extension code transmission)
(i) When WTIMn = 0
1: IICSn = 1010×110B
2: IICSn = 1010×000B
3: IICSn = 1010×000B (Sets the WTIMn bit to 1)
Note
4: IICSn = 1010××00B (Sets the SPTn bit to 1)
5: IICSn = 00000001B
Note
To generate a stop condition, set the WTIMn bit to 1 and change the timing for generating the INTIICAn
interrupt request signal.
Remark
: Always
generated
: Generated only when SPIEn = 1
×:
Don’t
care
(ii) When WTIMn = 1
1: IICSn = 1010×110B
2: IICSn = 1010×100B
3: IICSn = 1010××00B (Sets the SPTn bit to 1)
4: 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
SPTn = 1
3
4
5
2
1
ST
AD6 to AD0
R/W ACK
D7 to D0
D7 to D0
ACK
ACK
SP
SPTn = 1
3
4
2
1