
55
R01DS0139ED0100
Data Sheet
Chapter 7 Peripherals specification
Table 7-7 Fast mode
Notes 1. P: Stop condition
Notes 1. S: Start condition
Notes 1. Sr: Restart condition
Parameter Symbol Condition
Ratings
Unit
Min Typ Max
SCL clock period fCLK 0 - 400 kHz
Bus free time (between stop condition
and start condition)
tBUF 1.3 - - µs
Start/Restart Hold time (New clock
pulse
is generated after this hold time as a
master.)
tHD:STA 0.6 - - µs
SCL clock low state hold time tLOW 1.3 - - µs
SCL clock high state hold time tHIGH 0.6 - - µs
Setup time for start/restart condition tSU:STA 0.6 - - µs
Data hold time tHD:DAT IIC bus 0 - 0.9 µs
Data setup time tSU:DAT 100 - - ns
Rising transition time of SDA or SCL tR 20+0.1Cb - 300 ns
Falling transition time of SDA or SCL tF 20+0.1Cb - 300 ns
Setup time of stop condition tSU:STO 0.6 - - µs
Noise elimination width tSP 0 - 50 ns
Bus capacitance Cb - - 400 pF
SCL0
P
t
SU: STA
t
HD: STA
t
LOW
t
HI GH
t
BUF
SDA0
t
SP
t
R
t
HD: DAT
t
F
t
SU: DAT
S
t
HD: STA
Sr P
t
SU: STO
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