CHAPTER 10 SERIAL INTERFACE FUNCTION
User’s Manual U13850EJ6V0UD
373
(6) Operation when arbitration loss occurs (no communication after arbitration loss)
(a) 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
▲
1
∆
2
▲
1: IICSn = 01000110B (Example: when ALDn is read during interrupt servicing)
∆
2: IICSn = 00000001B
Remark
▲
: Always generated
∆
:
Generated only when SPIEn = 1
n = 0, 1
(b) 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
∆
2
▲
1:
IICSn = 0110X010B (Example: when ALDn is read during interrupt servicing)
IICCn’s LRELn is set to 1 by software
∆
2:
IICSn = 00000001B
Remark
▲
: Always generated
∆
:
Generated only when SPIEn = 1
X:
don’t care
n = 0, 1
Содержание V850/SB1
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