
CHAPTER 12 SERIAL INTERFACE IIC0
User’s Manual U17854EJ9V0UD
538
(h) When arbitration loss occurs due to low-level data when attempting to generate a stop condition
(i)
When WTIM0 = 0
ST
AD6 to AD0
R/W ACK
D7 to D0
ACK
SP
ACK
D7 to D0
ACK
SPT0 = 1
↓
3
4
5
2
1
1: IICS0 = 1000×110B
2: IICS0 = 1000×000B (Sets WTIM0 to 1)
3: IICS0 = 1000×100B (Clears WTIM0 to 0)
4: IICS0 = 01000100B
5: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
×:
Don’t care
(ii) When WTIM0 = 1
ST
AD6 to AD0
R/W ACK
D7 to D0
ACK
SP
ACK
D7 to D0
ACK
SPT0 = 1
↓
3
4
2
1
1: IICS0 = 1000×110B
2: IICS0 = 1000×100B (Sets SPT0 to 1)
3: IICS0 = 01000100B
4: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
×:
Don’t care