CHAPTER 10 SERIAL INTERFACE FUNCTION
User’s Manual U13850EJ4V0UM
288
(b) When arbitration loss occurs during transmission of extension code
<1> When WTIMn = 0
ST
AD6 to AD0
RW
AK
D7 to D0
AK
D7 to D0
AK
SP
▲
1
▲
2
▲
3
∆
4
▲
1: IICSn = 0110X010B (Example: when ALDn is read during interrupt servicing)
▲
2: IICSn = 0010X000B
▲
3: IICSn = 0010X000B
∆
4: IICSn = 00000001B
Remark
▲
: Always generated
∆
: Generated only when SPIEn = 1
X: don’t care
n = 0, 1
<2> When WTIMn = 1
ST
AD6 to AD0
RW
AK
D7 to D0
AK
D7 to D0
AK
SP
▲
1
▲
2
▲
3
▲
4
∆
5
▲
1: IICSn = 0110X010B (Example: when ALDn is read during interrupt servicing)
▲
2: IICSn = 0010X110B
▲
3: IICSn = 0010X100B
▲
4: IICSn = 0010XX00B
∆
5: IICSn = 00000001B
Remark
▲
: Always generated
∆
: Generated only when SPIEn = 1
X: don’t care
n = 0, 1