NEC V850ES/SA2 UPD703201 Manual page 378

(4) Operation without communication
(a) Start ~ Code ~ Data ~ Data ~ Stop
ST AD6 to AD0
∆ 1: IICS = 00000001B
Remark ∆: Generated only when SPIE = 1
(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 to AD0
L1: IICS = 0101X110B (Example: When ALD is read during interrupt servicing)
L2: IICS = 0001X000B
L3: IICS = 0001X000B
∆ 4: IICS = 00000001B
Remark L: Always generated
∆: Generated only when SPIE = 1
X: Don't care
<2> When WTIM = 1
ST AD6 to AD0
L1: IICS = 0101X110B (Example: When ALD is read during interrupt servicing)
L2: IICS = 0001X100B
L3: IICS = 0001XX00B
∆ 4: IICS = 00000001B
Remark L: Always generated
∆: Generated only when SPIE = 1
X: Don't care
378
CHAPTER 12 SERIAL INTERFACE FUNCTION
RW AK D7 to D0
RW AK D7 to D0
L1 L2
RW AK D7 to D0
L1
Preliminary User's Manual U15905EJ1V0UD
AK D7 to D0 AK
AK D7 to D0 AK
L3
AK D7 to D0 AK
L2 L3
SP
∆1
SP
∆4
SP
∆4