Operation Without Communication; Arbitration Loss Operation (Operation As Slave After Arbitration Loss) - NEC V850E/Dx3 Preliminary User's Manual

Chapter 18
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18.7.4 Operation without communication

(1) Start ~ Code ~ Data ~ Data ~ Stop
ST AD6 to AD0
Δ 1: IICSn register = 00000001B
Remarks 1. Δ: Generated only when SPIEn bit = 1
18.7.5 Arbitration loss operation (operation as slave after
arbitration loss)
(1) When arbitration loss occurs during transmission of slave address data
<1> When WTIMn bit = 0
ST AD6 to AD0
▲1: IICSn register = 0101X110B (Example: When ALDn bit is read during interrupt servicing)
▲2: IICSn register = 0001X000B
▲3: IICSn register = 0001X000B
Δ 4: IICSn register = 00000001B
Remarks 1. ▲: Always generated
2. n = 0 to 2
<2> When WTIMn bit = 1
ST AD6 to AD0
▲1: IICSn register = 0101X110B (Example: When ALDn bit is read during interrupt servicing)
▲2: IICSn register = 0001X100B
▲3: IICSn register = 0001XX00B
Δ 4: IICSn register = 00000001B
Remarks 1. ▲: Always generated
2. n = 0 to 2
Preliminary User's Manual U17566EE1V2UM00
RW AK D7 to D0
2. n = 0 to 2
RW AK D7 to D0 AK
▲1 ▲2
Δ: Generated only when SPIEn bit = 1
X: don't care
RW AK D7 to D0 AK
▲1
Δ: Generated only when SPIEn bit = 1
X: don't care
2
I C Bus (IIC)
AK D7 to D0 AK SP
D7 to D0 AK SP
▲3 Δ4
D7 to D0 AK SP
▲2 ▲3 Δ4
Δ1