CHAPTER 15 SERIAL INTERFACE IICA
Page 498 of 920
(h)
When arbitration loss occurs due to low-level data when attempting to generate a stop 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
D7 to D0
ACK
SPTn = 1
↓
D7 to D0
ACK
5
1
2
3
4
▲
1: IICSn = 1000×110B
▲
2: IICSn = 1000×000B (Sets the WTIMn bit to 1)
▲
3: IICSn = 1000×100B (Clears the WTIMn bit to 0)
▲
4: IICSn = 01000100B
5: IICSn = 00000001B
Remark
▲
: Always generated
: Generated only when SPIEn = 1
× : Don’t care
ST
AD6 to AD0
D7 to D0
R/W ACK
ACK
SP
D7 to D0
ACK
SPTn = 1
↓
D7 to D0
ACK
4
1
2
3
▲
1: IICSn = 1000×110B
▲
2: IICSn = 1000×100B (Sets the SPTn bit to 1)
▲
3: IICSn = 01000100B
4: IICSn = 00000001B
Remark
▲
: Always generated
: Generated only when SPIEn = 1
× : Don’t care
Summary of Contents for RL78/G1H
Page 941: ...R01UH0575EJ0120 RL78 G1H...