RL78/G1P
CHAPTER 12 SERIAL INTERFACE IICA
R01UH0895EJ0100 Rev.1.00
526
Nov 29, 2019
(ii) When WTIMn = 1
ST
AD6 to AD0
R/W ACK
D7 to D0
D7 to D0
ACK
ACK
SP
3
4
2
1
1: IICSn = 0101×110B
2: IICSn = 0001×100B
3: IICSn = 0001××00B
4: IICSn = 00000001B
Remark
: Always
generated
: Generated only when SPIEn = 1
×:
Don’t
care
(b) When arbitration loss occurs during transmission of extension code
(i) When WTIMn = 0
ST
AD6 to AD0
R/W ACK
D7 to D0
D7 to D0
ACK
ACK
SP
3
4
2
1
1: IICSn = 0110×010B
2: IICSn = 0010×000B
3: IICSn = 0010×000B
4: IICSn = 00000001B
Remark
: Always
generated
: Generated only when SPIEn = 1
×:
Don’t
care
Remark
n = 0, 1