Datasheet
RL78/L12    CHAPTER 13 SERIAL INTERFACE IICA 
R01UH0330EJ0200 Rev.2.00      575 
Dec 13, 2013 
(c) Start ~ Code ~ Data ~ Start ~ Code ~ Data ~ Stop 
(i)  When WTIM0 = 0 (after restart, extension code reception) 
ST AD6 to AD0 R/W ACK D7 to D0 AD6 to AD0ACK ACK SPST R/W D7 to D0 ACK
 3  4  5 2 1
1: IICS0 = 0010×010B 
2: IICS0 = 0010×000B 
3: IICS0 = 0010×010B 
4: IICS0 = 0010×000B 
5: IICS0 = 00000001B 
Remark 
: Always generated 
  :  Generated only when SPIE0 = 1 
 ×:  Don’t care 
(ii) When WTIM0 = 1 (after restart, extension code reception) 
ST AD6 to AD0 R/W ACK D7 to D0 AD6 to AD0ACK ACK SPST R/W D7 to D0 ACK
 3  4  7 2 1  5  6
1: IICS0 = 0010×010B 
2: IICS0 = 0010×110B 
3: IICS0 = 0010××00B 
4: IICS0 = 0010×010B 
5: IICS0 = 0010×110B 
6: IICS0 = 0010××00B 
7: IICS0 = 00000001B 
Remark 
: Always generated 
  :  Generated only when SPIE0 = 1 
 ×:  Don’t care 










