Renesas rl78 User Manual
RL78/G1A
CHAPTER 13 SERIAL INTERFACE IICA
(g) When arbitration loss occurs due to a stop condition when attempting to generate a restart condition
(i) When WTIM0 = 0
ST
AD6 to AD0
R/W ACK
D7 to D0
ACK
SP
STT0 = 1
↓
3
4
2
1
1: IICS0 = 1000×110B
2: IICS0 = 1000×000B (Sets the WTIM0 bit to 1)
3: IICS0 = 1000××00B (Sets the STT0 bit to 1)
4: IICS0 = 01000001B
Remark
: Always
generated
: Generated only when SPIE0 = 1
×:
Don’t
care
(ii) When WTIM0 = 1
ST
AD6 to AD0
R/W ACK
D7 to D0
ACK
SP
STT0 = 1
↓
2
3
1
1: IICS0 = 1000×110B
2: IICS0 = 1000××00B (Sets the STT0 bit to 1)
3: IICS0 = 01000001B
Remark
: Always
generated
: Generated only when SPIE0 = 1
×:
Don’t
care
R01UH0305EJ0200 Rev.2.00
635
Jul 04, 2013