B5WC Built- In Color Sensor User's Manual ( E612- E1- 01) 18
Defining I
2
C Bus Timing
Characteristics of SDA and SCL Bus Lines
symbol parameter Min Max unit
fSCL SCL clock frequency - 100 kHz
tHD;STA hold time (repeated) START condition 4.0 - μs
tLOW LOW period of the SCL clock 4.7 - μs
tHIGH HIGH period of the SCL clock 4.0 - μs
tSU;STA set-up time for a repeated START condition 4.7 - μs
tSU;DAT data set-up time 250 - ns
tr rise time of both SDA and SCL signals - 1000 ns
tf fall time of both SDA and SCL signals - 300 ns
tSU;STO set-up time for STOP condition 4.0 - μs
tBUF bus-free time between a STOP and START conditions 10.0 - μs
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