CS4271 datasheet(18/53 Pages) CIRRUS

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CS4271

DS592F1

SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT (Logic "0" = GND = 0 V;

Logic "1" = VL, CL = 20 pF)

Notes: 20. In Control Port Mode, the Ratio[1:0] bits must be configured according to tables 8 and 9 on

pages 28 and 29.

Parameter

Symbol

Min

Typ

Max

Unit

Sample Rate

Single Speed Mode

Double Speed Mode

Quad Speed Mode

100

200

kHz

MCLK Specifications

MCLK Frequency

Stand-Alone Mode

(note 20)

Control Port Mode

fmclk

1.024

25.600

51.200

MHz

MCLK Input Pulse Width High/Low

Stand-Alone Mode

(note 20)

Control Port Mode

tclkhl

MCLK Output Duty Cycle

Master Mode

LRCK Duty Cycle

SCLK Duty Cycle

SCLK falling to LRCK edge

tslr

-10

SCLK falling to SDOUT valid

tsdo

SDIN valid to SCLK rising setup time

tsdis

SCLK rising to SDIN hold time

tsdih

Slave Mode

LRCK Duty Cycle

SCLK Period

(note 20)

Single Speed Mode

Double Speed Mode

Quad Speed Mode

tsclkw

SCLK Pulse Width High

tsclkh

SCLK Pulse Width Low

tsclkl

SCLK falling to LRCK edge

tslr

-10

SCLK falling to SDOUT valid

tsdo

SDIN valid to SCLK rising setup time

tsdis

SCLK rising to SDIN hold time

tsdih

Crystal Oscillator Specifications (XTI/XTO)

Crystal Frequency Range

fosc

16.384

25.600

MHz

128

()Fs

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

128

()Fs

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

()Fs

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

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