612
Chapter 18
I
2
C Bus (IIC)
Preliminary User’s Manual U17566EE1V2UM00
18.7.4
Operation without communication
(1)
Start ~ Code ~ Data ~ Data ~ Stop
18.7.5
Arbitration loss operation (operation as slave after
arbitration loss)
(1)
When arbitration loss occurs during transmission of slave address data
ST
AD6 to AD0
RW
AK
D7 to D0
AK
D7 to D0
AK
SP
Δ
1
Δ
1: IICSn register = 00000001B
Remarks 1.
Δ
: Generated only when SPIEn bit = 1
2.
n = 0 to 2
<1> When WTIMn bit = 0
ST
AD6 to AD0
RW
AK
D7 to D0
AK
D7 to D0
AK
SP
▲
1
▲
2
▲
3
Δ
4
▲
1: IICSn register = 0101X110B (Example: When ALDn bit is read during interrupt servicing)
▲
2: IICSn register = 0001X000B
▲
3: IICSn register = 0001X000B
Δ
4: IICSn register = 00000001B
Remarks 1.
▲
: Always generated
Δ
: Generated only when SPIEn bit = 1
X:
don’t
care
2.
n = 0 to 2
<2> When WTIMn bit = 1
ST
AD6 to AD0
RW
AK
D7 to D0
AK
D7 to D0
AK
SP
▲
1
▲
2
▲
3
Δ
4
▲
1: IICSn register = 0101X110B (Example: When ALDn bit is read during interrupt servicing)
▲
2: IICSn register = 0001X100B
▲
3: IICSn register = 0001XX00B
Δ
4: IICSn register = 00000001B
Remarks 1.
▲
: Always generated
Δ
: Generated only when SPIEn bit = 1
X:
don’t
care
2.
n = 0 to 2
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