UPD78F1502AGK-GAK-AX Datasheet, PDF (656/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 15 SERIAL INTERFACE IICA
(b) When arbitration loss occurs during transmission of extension code
ST AD6 to AD0 R/W ACK
1
D7 to D0
ACK
1: IICS = 0110×010B
Sets LREL = 1 by software
2: IICS = 00000001B
Remark : Always generated
: Generated only when SPIE = 1
×: Don’t care
D7 to D0
ACK SP
2
(c) When arbitration loss occurs during transmission of data
(i) When WTIM = 0
ST AD6 to AD0 R/W ACK
D7 to D0
1
ACK
2
D7 to D0
ACK SP
3
1: IICS = 10001110B
2: IICS = 01000000B
3: IICS = 00000001B
Remark
: Always generated
: Generated only when SPIE = 1
R01UH0004EJ0501 Rev.5.01
640
Jun 20, 2011