Renesas rl78 User Manual
RL78/G1A
CHAPTER 13 SERIAL INTERFACE IICA
(c) Start ~ Address ~ Data ~ Start ~ Code ~ Data ~ Stop
(i) When WTIM0 = 0 (after restart, does not match address (= 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: IICS0 = 0001×110B
2: IICS0 = 0001×000B
3: IICS0 = 0010×010B
4: IICS0 = 0010×000B
5: IICS0 = 00000001B
Remark
: Always
generated
: Generated only when SPIE0 = 1
×:
Don’t
care
(ii) When WTIM0 = 1 (after restart, does not match address (= 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
5
6
2
1
4
1: IICS0 = 0001×110B
2: IICS0 = 0001××00B
3: IICS0 = 0010×010B
4: IICS0 = 0010×110B
5: IICS0 = 0010××00B
6: IICS0 = 00000001B
Remark
: Always
generated
: Generated only when SPIE0 = 1
×:
Don’t
care
R01UH0305EJ0200 Rev.2.00
622
Jul 04, 2013