NEC 78K0 Series User Manual page 453

(2) Slave device operation (slave address data reception)
(a) Start ~ Address ~ Data ~ Data ~ Stop
(i) When WTIM0 = 0
ST AD6 to AD0 R/W ACK
1: IICS0 = 0001×110B
2: IICS0 = 0001×000B
3: IICS0 = 0001×000B
4: IICS0 = 00000001B
Remark : Always generated
: Generated only when SPIE0 = 1
×: Don't care
(ii) When WTIM0 = 1
ST AD6 to AD0 R/W ACK
1: IICS0 = 0001×110B
2: IICS0 = 0001×100B
3: IICS0 = 0001××00B
4: IICS0 = 00000001B
Remark : Always generated
: Generated only when SPIE0 = 1
×: Don't care
CHAPTER 17 SERIAL INTERFACE IIC0
D7 to D0 ACK
1 2
D7 to D0 ACK
1 2
Preliminary User's Manual U17260EJ3V1UD
D7 to D0 ACK SP
3 4
D7 to D0 ACK SP
3 4
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