AS621X datasheet(29/37 Pages) OSRAM

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AS621x

Datasheet

• PUBLIC

DS000677

• v4-00 • 2022-May-17

│ 28

Figure 31:

Bus Timing Specifications

Parameter

Symbol

Fast Mode

High Speed Mode

Unit

Min

Max

Min

Max

SCL clock frequency

fSCL

0.001

0.4

0.001

3.4

MHz

Bus free time between STOP

and START condition

tBUF

600

160

Hold time after repeated

START condition

tHDSTA

100

Repeated START condition

setup time

tSUSTA

100

Data in hold time

tHDDAT

Data out hold time (1)

tDH

100

Data setup time

tSUDAT

100

SCL clock low period

tLOW

1300

160

SCL clock high period

tHIGH

600

Clock/Data fall time

300

Clock/Data rise time

300

Clock/Data rise time for

SCL

≤100 kHz

1000

(1)

The device will hold the SDA line high for 100 ns during the falling edge of the SCL.

6.3.15

Timing Diagrams

The following timing diagrams depict the different bus operation modes and data transmission:

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