UPD78F1502AGK-GAK-AX Datasheet, PDF (660/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 15 SERIAL INTERFACE IICA
(g) When arbitration loss occurs due to a stop condition when attempting to generate a restart condition
(i) When WTIM = 0
ST AD6 to AD0 R/W ACK
D7 to D0
1
STT = 1
↓
ACK SP
23 4
1: IICS = 1000×110B
2: IICS = 1000×000B (Sets WTIM to 1)
3: IICS = 1000××00B (Sets STT to 1)
4: IICS = 01000001B
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
1
STT = 1
↓
ACK SP
23
1: IICS = 1000×110B
2: IICS = 1000××00B (Sets STT to 1)
3: IICS = 01000001B
Remark : Always generated
: Generated only when SPIE = 1
×: Don’t care
R01UH0004EJ0501 Rev.5.01
644
Jun 20, 2011