Datasheet

Section 15 I
2
C Bus Interface (IIC)
Rev. 6.00 Mar. 24, 2006 Page 268 of 412
REJ09B0142-0600
Table 15.7 I
2
C Bus Timing (with Maximum Influence of t
sr
/t
sf
)
Time Indication (at Maximum Transfer Rate) [ns]
Item t
cyc
Indication
t
sr
/t
sf
Influence
(Max.)
I
2
C Bus
Specifi-
cation
(Min.)
φ =
5 MHz
φ =
8 MHz
φ =
10 MHz
φ =
16 MHz
t
SCLHO
0.5t
SCLO
(–t
Sr
) Standard mode –1000 4000 4000 4000 4000 4000
High-speed mode –300 600 950 950 950 950
t
SCLLO
0.5t
SCLO
(–t
Sf
) Standard mode –250 4700 4750 4750 4750 4750
High-speed mode –250 1300 1000*
1
1000*
1
1000*
1
1000*
1
t
BUFO
0.5t
SCLO
–1t
cyc
Standard mode –1000 4700 3800*
1
3875*
1
3900*
1
3938*
1
( –t
Sr
)
High-speed mode –300 1300 750*
1
825*
1
850*
1
888*
1
t
STAHO
0.5t
SCLO
–1t
cyc
Standard mode –250 4000 4550 4625 4650 4688
(–t
Sf
)
High-speed mode –250 600 800 875 900 938
t
STASO
1t
SCLO
(–t
Sr
) Standard mode –1000 4700 9000 9000 9000 9000
High-speed mode –300 600 2200 2200 2200 2200
t
STOSO
0.5t
SCLO
+ 2t
cyc
Standard mode –1000 4000 4400 4250 4200 4125
(–t
Sr
)
High-speed mode –300 600 1350 1200 1150 1075
t
SDASO
1t
SCLLO
*
2
–3t
cyc
Standard mode –1000 250 3100 3325 3400 3513
(master) (–t
Sr
)
High-speed mode –300 100 400 625 700 813
t
SDASO
1t
SCLL
*
2
–3t
cyc
Standard mode –1000 250 3100 3325 3400 3513
(slave) (–t
Sr
)
High-speed mode –300 100 400 625 700 813
t
SDAHO
3t
cyc
Standard mode 0 0 600 375 300 188
High-speed mode 0 0 600 375 300 188
Notes: 1. Does not meet the I
2
C bus interface specification
2. Calculated using the I
2
C bus specification values (standard mode: 4700 ns min.; high-
speed mode: 1300 ns min.).