NEC 78K0 Series User Manual page 456

(d) Start ~ Address ~ Data ~ Start ~ Address ~ Data ~ Stop
(i) When WTIM0 = 0 (after restart, does not match address (= not extension code))
ST AD6 to AD0 R/W ACK
1: IICS0 = 0001×110B
2: IICS0 = 0001×000B
3: IICS0 = 00000110B
4: IICS0 = 00000001B
Remark : Always generated
: Generated only when SPIE0 = 1
×: Don't care
(ii) When WTIM0 = 1 (after restart, does not match address (= not extension code))
ST AD6 to AD0 R/W ACK
1: IICS0 = 0001×110B
2: IICS0 = 0001××00B
3: IICS0 = 00000110B
4: IICS0 = 00000001B
Remark : Always generated
: Generated only when SPIE0 = 1
×: Don't care
456
CHAPTER 17 SERIAL INTERFACE IIC0
D7 to D0 ACK ST AD6 to AD0
1 2
D7 to D0 ACK ST AD6 to AD0
1 2
Preliminary User's Manual U17260EJ3V1UD
ACK
R/W D7 to D0 ACK
3
R/W ACK D7 to D0 ACK
3
SP
4
SP
4