Cirrus-logic CS4360 Manuel d'utilisateur télécharger pdf (Page 16)

CS4360

16 DS517F2

SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE

Inputs: Logic 0 = GND, Logic 1 = VLS.

Parameters Symbol Min Max Units

MCLK Frequency 1.024 51.2 MHz

MCLK Duty Cycle 40 60 %

Input Sample Rate Single-speed Mode

Double-speed Mode

Quad-speed Mode

F

s

F

s

F

s

4

50

100

50

100

200

kHz

kHz

kHz

LRCK Duty Cycle 45 55 %

SCLK Pulse Width Low t

sclkl

20 - ns

SCLK Pulse Width High t

sclkh

20 - ns

SCLK Frequency Single-speed Mode

Double-speed Mode

-

-

128xFs

64xFs

Hz

Hz

Quad-speed Mode (MCLKDIV = 0)

-

Hz

Quad-speed Mode (MCLKDIV = 1)

-

Hz

SCLK rising to LRCK edge delay t

slrd

20 - ns

SCLK rising to LRCK edge setup time t

slrs

20 - ns

SDINx valid to SCLK rising setup time t

sdlrs

20 - ns

SCLK rising to SDINx hold time t

sdh

20 - ns

Figure 12. Serial Mode Input Timing

sclkh

t

slrs

t

slrd

t

sdlrs

t

sdh

t

sclkl

t

SDINx

SCLK

LRCK

MCLK

2

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

MCLK

4

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

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 36 37

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