UPD78F1502AGK-GAK-AX Datasheet, PDF (648/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 15 SERIAL INTERFACE IICA
(d) Start ~ Address ~ Data ~ Start ~ Address ~ Data ~ Stop
(i) When WTIM = 0 (after restart, does not match address (= not extension code))
ST AD6 to AD0 R/W ACK D7 to D0
1
ACK ST AD6 to AD0 R/W ACK D7 to D0
2
3
ACK SP
4
1: IICS = 0001×110B
2: IICS = 0001×000B
3: IICS = 00000110B
4: IICS = 00000001B
Remark : Always generated
: Generated only when SPIE = 1
×: Don’t care
(ii) When WTIM = 1 (after restart, does not match address (= not extension code))
ST AD6 to AD0 R/W ACK D7 to D0 ACK ST AD6 to AD0 R/W ACK D7 to D0 ACK SP
1
2
3
4
1: IICS = 0001×110B
2: IICS = 0001××00B
3: IICS = 00000110B
4: IICS = 00000001B
Remark : Always generated
: Generated only when SPIE = 1
×: Don’t care
R01UH0004EJ0501 Rev.5.01
632
Jun 20, 2011