NEC V850/SA1 mPD703015 Preliminary User's Manual page 243

(2) Slave device operation (when receiving slave address data (matches with SVA0))
(a) Start ~ Address ~ Data ~ Data ~ Stop
<1> When WTIM = 0
ST AD6-AD0
1 : IICS0 = 0001X110B
2 : IICS0 = 0001X000B
3 : IICS0 = 0001X000B
∆ 4 : IICS0 = 00000001B
Remarks
∆ : Generated only when SPIE = 1
X : don't care
<2> When WTIM = 1
ST AD6-AD0
1 : IICS0 = 0001X110B
2 : IICS0 = 0001X100B
3 : IICS0 = 0001XX00B
∆ 4 : IICS0 = 00000001B
Remarks
∆ : Generated only when SPIE = 1
X : don't care
CHAPTER 10 SERIAL INTERFACE FUNCTION
RW AK D7-D0
1 2
: Always generated
RW AK D7-D0
1
: Always generated
AK D7-D0 AK SP
3
AK D7-D0 AK SP
2 3
∆4
∆4
243