CHAPTER 15 SERIAL INTERFACE IICA
Page 497 of 920
(g)
When arbitration loss occurs due to a stop condition when attempting to generate a restart condition
(i) When WTIMn = 0
(ii) When WTIMn = 1
Remark
n = 0, 1
ST
AD6 to AD0
D7 to D0
R/W ACK
ACK
SP
STTn = 1
↓
4
1
2
3
▲
1: IICSn = 1000×110B
▲
2: IICSn = 1000×000B (Sets the WTIMn bit to 1)
▲
3: IICSn = 1000××00B (Sets the STTn bit to 1)
4: IICSn = 01000001B
Remark
▲
: Always generated
: Generated only when SPIEn = 1
× : Don’t care
ST
AD6 to AD0
D7 to D0
R/W ACK
ACK
SP
STTn = 1
↓
3
1
2
▲
1: IICSn = 1000×110B
▲
2: IICSn = 1000××00B (Sets the STTn bit to 1)
3: IICSn = 01000001B
Remark
▲
: Always generated
: Generated only when SPIEn = 1
× : Don’t care
Summary of Contents for RL78/G1H
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