CS8422-DNZR View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS8422-DNZR

24-bit, 192-kHz, Asynchronous Sample Rate Converter with Integrated Digital Audio Interface Receiver

Cirrus Logic 

CS8422

SWITCHING CHARACTERISTICS - CONTROL PORT - I²C MODE

Inputs: Logic 0 = 0 V, Logic 1 = VL; CL = 20 pF.

Parameter

Symbol

Min

Max

Unit

SCL Clock Frequency

fscl

-

100

kHz

RST Rising Edge to Start

tirs

500

-

µs

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 17)

thdd

10

-

ns

SDA Setup time to SCL Rising

tsud

250

-

ns

Rise Time of SCL and SDA

trc, trd

-

1000

ns

Fall Time SCL and SDA

tfc, tfd

-

300

ns

Setup Time for Stop Condition

tsusp

4.7

-

µs

Acknowledge Delay from SCL Falling

tack

300

1000

ns

Notes:

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

RST

t irs

Stop

Start

SDA

SCL

t buf

t hdst

t high

t low

t hdd

t sud

t ack

Figure 6. I²C Mode Timing

Repeated

S ta rt t rd

t hdst

Stop

t fd

t fc

t susp

t sust

t rc

DS692F1

21

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