Switching characteristics - pcm, Figure 1.serial audio interface timing, Cs4362a switching characteristics - pcm – Cirrus Logic CS4362A User Manual

Page 15

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DS617F2

15

CS4362A

SWITCHING CHARACTERISTICS - PCM

(Inputs: Logic 0 = GND, Logic 1 = VLS, C

L

= 30 pF)

Notes:

14. After powering up, RST should be held low until after the power supplies and clocks are settled.

15. See

Table 1 on page 21

for suggested MCLK frequencies.

Parameters Symbol

Min

Max

Units

RST pin Low Pulse Width

(Note 14)

1

-

ms

MCLK Frequency

1.024

55.2

MHz

MCLK Duty Cycle

(Note 15)

45

55

%

Input Sample Rate - LRCK

Single-speed Mode

Double-speed Mode

Quad-speed Mode

F

s

F

s

F

s

4

50

100

54

108
216

kHz
kHz
kHz

LRCK Duty Cycle

45

55

%

SCLK Duty Cycle

45

55

%

SCLK High Time

t

sckh

8

-

ns

SCLK Low Time

t

sckl

8

-

ns

LRCK Edge to SCLK rising edge

t

lcks

5

-

ns

SDIN Setup Time before SCLK rising edge

t

ds

3

-

ns

SDIN Hold Time after SCLK rising edge

t

dh

5

-

ns

SDINx

t

ds

SCLK

LRCK

MSB

t

dh

t

sckh

t

sckl

t

lcks

MSB-1

Figure 1. Serial Audio Interface Timing

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