EPC901 Datasheet, PDF (26/37 Pages) Espros Photonics corp – CCD line sensor 1024x1 pixel

10.4. I2C bus timing
START condition
SDA
MSB
STOP condition
LSB
ACK
START condition
SCLK
Data stable
Change of data allowed
Acknowledgment
t
SDAF
SDA
t
STA
t
SDAR
MSB
t
t
t
SCLH
SU
H
LSB
ACK
t
STOSTA
t
STO
SCL
t
SCLF
t
SCLR
t
SCLL
Figure 12: I²C bus timing, top: Basic communication sequence, bottom: Timing parameters
Symbol
fSCL
tSCLL
tSCLH
tSU
tH
tSDAR
tSCLR
tSDAF
tSCLF
tSTA
tSTO
tSTOSTA
Cb
tSP
Parameter
I²C data rate
SCL clock low time
SCL clock high time
SDA setup time
SDA hold time
SDA and SCL rise time
SDA and SCL fall time
Start condition hold time
Stop condition setup time
Stop to start condition time (bus free)
Capacitive load for each bus line
Pulse width of the spikes that are suppressed by the analog filter
Table 27: I²C bus timing: Timing parameters (FM+)
Min.
1.3
0.6
100
0.6
0.6
1.3
Max.
400
0
300
300
400
50
Units
kbit/s
µs
µs
ns
ns
ns
ns
µs
µs
µs
pF
ns
© 2016 ESPROS Photonics Corporation
Characteristics subject to change without notice
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Datasheet_epc901-V5.6
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