CHAPTER 16 I
2
C BUS
User’s Manual U16896EJ2V0UD
486
16.6.1 Master device operation
(1) Start ~ Address ~ Data ~ Data ~ Stop (normal transmission/reception)
<1> When IICC0.WTIM0 bit = 0
IICC0.SPT0 bit = 1
↓
ST
AD6 to AD0
R/W
ACK
D7 to D0
ACK
D7 to D0
ACK
SP
S
1
S
2
S
3
S
4
Δ
5
S
1: IICS0 register = 1000X110B
S
2: IICS0 register = 1000X000B
S
3: IICS0 register = 1000X000B (WTIM0 bit = 1
Note
)
S
4: IICS0 register = 1000XX00B
Δ
5: IICS0 register = 00000001B
Note
To generate a stop condition, set the WTIM0 bit to 1 and change the timing of the generation
of the interrupt request signal (INTIIC0).
Remark
S
: Always generated
Δ
: Generated only when IICC0.SPIE0 bit = 1
X:
don’t
care
<2> When WTIM0 bit = 1
SPT0 bit = 1
↓
ST
AD6 to AD0
R/W
ACK
D7 to D0
ACK
D7 to D0
ACK
SP
S
1
S
2
S
3
Δ
4
S
1: IICS0 register = 1000X110B
S
2: IICS0 register = 1000X100B
S
3: IICS0 register = 1000XX00B
Δ
4: IICS0 register = 00000001B
Remark
S
: Always generated
Δ
: Generated only when SPIE0 bit = 1
X:
don’t
care