NEC V850ES/F 3-L Series User Manual page 500

Chapter 17
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500
When arbitration loss occurs during transmission of extension code
<1> When WTIMn bit = 0
ST AD6 to AD0 R/W
♦
1: IICSn register = 0110X010B (Example: When ALDn bit is read during interrupt servicing)
♦
2: IICSn register = 0010X000B
♦
3: IICSn register = 0010X000B
∆ 4: IICSn register = 00000001B
♦
Remarks 1. : Always generated
∆: Generated only when SPIEn bit = 1
X: don't care
2. n = 0
<2> When WTIMn bit = 1
ST AD6 to AD0 R/W
♦
1: IICSn register = 0110X010B (Example: When ALDn bit is read during interrupt servicing)
♦
2: IICSn register = 0010X110B
♦
3: IICSn register = 0010X100B
♦
4: IICSn register = 0010XX00B
∆ 5: IICSn register = 00000001B
♦
Remarks 1. : Always generated
∆: Generated only when SPIEn bit = 1
X: don't care
2. n = 0
User's Manual U18743EE1V2UM00
ACK D7 to D0 ACK
♦ ♦
1 2
ACK D7 to D0 ACK
♦
♦
1 2
2
I C Bus (IIC)
D7 to D0 ACK SP
♦
3
D7 to D0 ACK SP
♦ ♦
3 4
∆4
∆5