CS43L43-KZ datasheet(32/36 Pages) CIRRUS

Part #	CS43L43-KZ

Description	Low Voltage,Stereo DAC With Headphone Amp

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Manufacturer	CIRRUS [Cirrus Logic]

Direct Link	http://www.cirrus.com

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32 / 36 page

CS43L43

32

DS479PP3

SWITCHING SPECIFICATIONS - CONTROL PORT INTERFACE

(Inputs: Logic “0” = GND, Logic “1” = VL.)

7. Data must be held for sufficient time to bridge the transition time, tfc, of SCL.

Parameter

Symbol

Min

Max

Unit

I2C Mode

SCL Clock Frequency

fscl

-100

kHz

RST Rising Edge to Start

tirs

-s

Bus Free Time Between Transmissions

tbuf

4.7

-

µs

Start Condition Hold Time (prior to first clock pulse)

thdst

4.0

-

µs

Clock Low time

tlow

4.7

-

µs

Clock High Time

thigh

4.0

-

µs

Setup Time for Repeated Start Condition

tsust

4.7

-

µs

SDA Hold Time from SCL Falling

(Note 7)

thdd

0-

µs

SDA Setup time to SCL Rising

tsud

250

-

ns

Rise Time of SCL

trc

-25

ns

Fall Time of SCL

tfc

-25

ns

Rise Time SDA

trd

-1

µs

Fall Time of SDA

tfd

-300

ns

Setup Time for Stop Condition

tsusp

4.7

-

µs

1

2

()Fs

---------------

Figure 22. Control Port Timing - I2C Mode

t

buf

t

hdst

t

hdst

t

lo w

t r

t f

t

hdd

t

high

t sud

t sust

t susp

Stop

S ta rt

Sta rt

Stop

R e p eated

SDA

SC L

t

irs

RST

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CS43L43-KZ Datasheet(PDF) 32 Page - Cirrus Logic

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