NEC 78K0 Series User Manual page 462

(ii) When WTIM0 = 1
ST AD6 to AD0 R/W ACK
1: IICS0 = 0101×110B
2: IICS0 = 0001×100B
3: IICS0 = 0001××00B
4: IICS0 = 00000001B
Remark : Always generated
: Generated only when SPIE0 = 1
×: Don't care
(b) When arbitration loss occurs during transmission of extension code
(i) When WTIM0 = 0
ST AD6 to AD0 R/W ACK
1: IICS0 = 0110×010B
2: IICS0 = 0010×000B
3: IICS0 = 0010×000B
4: IICS0 = 00000001B
Remark : Always generated
: Generated only when SPIE0 = 1
×: Don't care
462
CHAPTER 17 SERIAL INTERFACE IIC0
D7 to D0 ACK
1
D7 to D0 ACK
1 2
Preliminary User's Manual U17260EJ3V1UD
D7 to D0 ACK SP
2 3
D7 to D0 ACK SP
3
4
4