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CHAPTER 16 SERIAL INTERFACE IICA
User’s Manual U19780EJ2V0UD
484
(d) Start ~ Code ~ 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
D7 to D0
AD6 to AD0
ACK
ACK
SP
ST
R/W
D7 to D0
ACK
3
4
2
1
1: IICAS0 = 00100010B
2: IICAS0 = 00100000B
3: IICAS0 = 00000110B
4: IICAS0 = 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
D7 to D0
AD6 to AD0
ACK
ACK
SP
ST
R/W
D7 to D0
ACK
3
4
5
2
1
1: IICAS0 = 00100010B
2: IICAS0 = 00100110B
3: IICAS0 = 00100×00B
4: IICAS0 = 00000110B
5: IICAS0 = 00000001B
Remark
: Always
generated
: Generated only when SPIE0 = 1
×:
Don’t
care