NEC V850/SA1 mPD703015 Preliminary User's Manual page 251

(4) Operation without communication
(a) Start ~ Code ~ Data ~ Data ~ Stop
ST AD6-AD0
∆ 1 : IICS0 = 00000001B
∆ : Generated only when SPIE = 1
Remark
(5) Arbitration loss operation (operation as slave after arbitration loss)
(a) When arbitration loss occurs during transmission of slave address data
<1> When WTIM = 0
ST AD6-AD0
1 : IICS0 = 0101X110B (Example: when ALD is read during interrupt servicing)
2 : IICS0 = 0001X000B
3 : IICS0 = 0001X000B
∆ 4 : IICS0 = 00000001B
Remarks
∆ : Generated only when SPIE = 1
X : don't care
CHAPTER 10 SERIAL INTERFACE FUNCTION
RW AK D7-D0
RW AK D7-D0
1 2
: Always generated
AK D7-D0 AK SP
AK D7-D0 AK SP
3
∆1
∆4
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