Renesas RL78 Series User Manual page 605

RL78/G1D
(b) When arbitration loss occurs during transmission of extension code
ST AD6 to AD0 R/W ACK
1: IICSn = 0110×010B
Sets LRELn = 1 by software
2: IICSn = 00000001B
Remark : Always generated
: Generated only when SPIEn = 1
×: Don't care
(c) When arbitration loss occurs during transmission of data
(i) When WTIMn = 0
ST AD6 to AD0 R/W ACK
1: IICSn = 10001110B
2: IICSn = 01000000B
3: IICSn = 00000001B
Remark : Always generated
: Generated only when SPIEn = 1
Remark n = 0
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
D7 to D0
1
D7 to D0
1
CHAPTER 14 SERIAL INTERFACE IICA
ACK D7 to D0
ACK D7 to D0
2
ACK SP
2
ACK SP
3
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