CS4350 datasheet(14/41 Pages) CIRRUS

номер детали	CS4350

подробное описание детали	192 kHz Stereo DAC with Integrated PLL

PDF	41 Pages

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производитель	CIRRUS [Cirrus Logic]

домашняя страница	http://www.cirrus.com

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DS691F1

CS4350

SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT

Inputs: Logic 0 = GND; Logic 1 = VLC; CL =20pF.

Note: 11. Data must be held for sufficient time to bridge the transition time, tfc, of SCL.

Parameter

Symbol

Min

Max

Unit

SCL Clock Frequency

fscl

100

kHz

RST Rising Edge to Start

tirs

500

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 11)

thdd

µs

SDA Setup time to SCL Rising

tsud

250

Rise Time of SCL and SDA

trc, trc

-1

µs

Fall Time SCL and SDA

tfc, tfc

300

Setup Time for Stop Condition

tsusp

4.7

µs

Acknowledge Delay from SCL Falling

tack

300

1000

tds

LRCK

(Input)

tdh

tsckh

tsckl

tfsh

tfss

SCLK

(Input)

SDIN

(Input)

MSB

MSB-1

tlrckh

tds

MSB

tdh

MSB-1

LRCK

(input)

SCLK

(input)

SDIN

(input)

tsckh

tsckl

tlcks

tlckd

Figure 6. Serial Port Timing, Non-TDM Mode

Figure 7. Serial Port Timing, TDM Mode

t buf

t hdst

lo w

hdd

t high

t sud

Stop

Start

SDA

SC L

t irs

RS T

hdst

t rc

t fc

t sust

t susp

Start

Stop

R epe ate d

t rd

t fd

t ack

Figure 8. Control Port Timing - I²C Format

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