NEC Renesas V850/SC1 User Manual page 400

(c) Start ~ Code ~ Data ~ Data ~ Stop (extension code transmission)
<1> When WTIMn = 0
ST AD6 to AD0
L1: IICSn = 1010X110B
L2: IICSn = 1010X000B
L3: IICSn = 1010X000B (WTIMn = 1)
L4: IICSn = 1010XX00B
∆ 5: IICSn = 00000001B
Remark
<2> When WTIMn = 1
ST AD6 to AD0
L1: IICSn = 1010X110B
L2: IICSn = 1010X100B
L3: IICSn = 1010XX00B
∆ 4: IICSn = 00000001B
Remark
398
CHAPTER 11 SERIAL INTERFACE FUNCTION
RW AK D7 to D0
L1
L: Always generated
∆: Generated only when SPIEn = 1
X: don't care
n = 0, 1
RW AK D7 to D0
L1
L: Always generated
∆: Generated only when SPIEn = 1
X: don't care
n = 0, 1
User's Manual U15109EJ3V0UD
SPTn = 1
AK D7 to D0 AK
L2 L3 L4
SPTn = 1
AK D7 to D0 AK
L2 L3
↓
SP
∆5
↓
SP
∆4