CHAPTER 15 SERIAL INTERFACE IICA
Page 492 of 920
(ii) When WTIMn = 1
(6) Operation when arbitration loss occurs (no communication after arbitration loss)
When the device is used as a master in a multi-master system, read the MSTSn bit each time interrupt
request signal INTIICAn has occurred to check the arbitration result.
(a)
When arbitration loss occurs during transmission of slave address data (when WTIMn = 1)
Remark
n = 0, 1
ST
AD6 to AD0
D7 to D0
R/W ACK
ACK
SP
D7 to D0
ACK
5
1
2
3
4
▲
1: IICSn = 0110×010B
▲
2: IICSn = 0010×110B
▲
3: IICSn = 0010×100B
▲
4: IICSn = 0010××00B
5: IICSn = 00000001B
Remark
▲
: Always generated
: Generated only when SPIEn = 1
× : Don’t care
ST
AD6 to AD0
D7 to D0
R/W ACK
SP
D7 to D0
ACK
ACK
2
1
▲
1: IICSn = 01000110B
2: IICSn = 00000001B
Remark
▲
: Always generated
: Generated only when SPIEn = 1
Содержание RL78/G1H
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