Cirrus-logic CS8406 User Manual download pdf (Page 8)

8 DS580F6

CS8406

SWITCHING CHARACTERISTICS - CONTROL PORT - I²C MODE

(Inputs: Logic 0 = 0 V, Logic 1 = VL; C

= 20 pF)

13. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.

Parameter Symbol Min Typ Max Units

SCL Clock Frequency fscl - - 100 kHz

Bus Free Time Between Transmissions t

buf

4.7 - - s

Start Condition Hold Time (prior to first clock pulse) t

hdst

4.0 - - s

Clock Low Time t

low

4.7 - - s

Clock High Time t

high

4.0 - - s

Setup Time for Repeated Start Condition t

sust

4.7 - - s

SDA Hold Time from SCL Falling (Note 13) t

hdd

0--s

SDA Setup Time to SCL Rising t

sud

250 - - ns

Rise Time of Both SDA and SCL Lines t

- - 1000 ns

Fall Time of Both SDA and SCL Lines t

- - 300 ns

Setup Time for Stop Condition t

susp

4.7 - - s

buf

hdst

low

hdd

high

sud

sust

susp

Stop Start

Start

Stop

Repeated

SDA

SCL

Figure 4. I²C Mode Timing

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 38 39

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Cirrus-logic CS8406 User Manual Page 8

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