UPD78F1502AGK-GAK-AX Datasheet, PDF (649/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 15 SERIAL INTERFACE IICA
(3) Slave device operation (when receiving extension code)
The device is always participating in communication when it receives an extension code.
(a) Start ~ Code ~ Data ~ Data ~ Stop
(i) When WTIM = 0
ST AD6 to AD0 R/W ACK
1
D7 to D0
ACK
2
D7 to D0
ACK SP
3
4
1: IICS = 0010×010B
2: IICS = 0010×000B
3: IICS = 0010×000B
4: IICS = 00000001B
Remark : Always generated
: Generated only when SPIE = 1
×: Don’t care
(ii) When WTIM = 1
ST AD6 to AD0 R/W ACK
D7 to D0
12
ACK
D7 to D0
3
ACK SP
45
1: IICS = 0010×010B
2: IICS = 0010×110B
3: IICS = 0010×100B
4: IICS = 0010××00B
5: IICS = 00000001B
Remark : Always generated
: Generated only when SPIE = 1
×: Don’t care
R01UH0004EJ0501 Rev.5.01
633
Jun 20, 2011