CHAPTER 16 I
2
C BUS
User’s Manual U16896EJ2V0UD
493
16.6.3 Slave device operation (when receiving extension code)
Always under communication when receiving the extension code.
(1) Start ~ Code ~ Data ~ Data ~ Stop
<1> When IICC0.WTIM0 bit = 0
ST
AD6 to AD0
R/W
ACK
D7 to D0
ACK
D7 to D0
ACK
SP
S
1
S
2
S
3
Δ
4
S
1: IICS0 register = 0010X010B
S
2: IICS0 register = 0010X000B
S
3: IICS0 register = 0010X000B
Δ
4: IICS0 register = 00000001B
Remark
S
: Always generated
Δ
: Generated only when IICC0.SPIE0 bit = 1
X:
don’t
care
<2> When WTIM0 bit = 1
ST
AD6 to AD0
R/W
ACK
D7 to D0
ACK
D7 to D0
ACK
SP
S
1
S
2
S
3
S
4
Δ
5
S
1: IICS0 register = 0010X010B
S
2: IICS0 register = 0010X110B
S
3: IICS0 register = 0010X100B
S
4: IICS0 register = 0010XX00B
Δ
5: IICS0 register = 00000001B
Remark
S
: Always generated
Δ
: Generated only when SPIE0 bit = 1
X:
don’t
care