614
Chapter 18
I
2
C Bus (IIC)
Preliminary User’s Manual U17566EE1V2UM00
18.7.6
Operation when arbitration loss occurs
(1)
When arbitration loss occurs during transmission of slave address data
(2)
When arbitration loss occurs during transmission of extension code
ST
AD6 to AD0
RW
AK
D7 to D0
AK
D7 to D0
AK
SP
▲
1
Δ
2
▲
1: IICSn register = 01000110B (Example: When ALDn bit is read during interrupt servicing)
Δ
2: IICSn register = 00000001B
Remarks 1.
▲
: Always generated
Δ
: Generated only when SPIEn bit = 1
2.
n = 0 to 2
ST
AD6 to AD0
RW
AK
D7 to D0
AK
D7 to D0
AK
SP
▲
1
Δ
2
▲
1:
IICSn register = 0110X010B (Example: When ALDn bit is read during interrupt servicing)
IICCn.LRELn bit is set to 1 by software
Δ
2:
IICSn register = 00000001B
Remarks 1.
▲
: Always generated
Δ
: Generated only when SPIEn bit = 1
X:
don’t
care
2.
n = 0 to 2
electronic components distributor