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RL78/G1A CHAPTER 13 SERIAL INTERFACE IICA
(d) Start ~ Code ~ Data ~ Start ~ Address ~ Data ~ Stop
(i) When WTIM0 = 0 (after restart, does not match address (= not extension code))
ST AD6 to AD0 R/W ACK D7 to D0 AD6 to AD0ACK ACK SPST R/W D7 to D0 ACK
3 4 2 1
1: IICS0 = 0010×010B
2: IICS0 = 0010×000B
3: IICS0 = 00000×10B
4: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
×: Don’t care
(ii) When WTIM0 = 1 (after restart, does not match address (= not extension code))
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 = 0010×110B
3: IICS0 = 0010××00B
4: IICS0 = 00000×10B
5: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
×: Don’t care
R01UH0305EJ0200 Rev.2.00 627
Jul 04, 2013