SAA2501 查看數據表（PDF） - Philips Electronics

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SAA2501

Digital Audio Broadcast (DAB) decoder

Philips Electronics 

Philips Semiconductors

Digital Audio Broadcast (DAB) decoder

Preliminary specification

SAA2501

handbook, full pagewidth

MCLK24

MCLK

MCLKIN

MCLKOUT

X22OUT

X22IN

FSCLKIN

FSCLKM

FSCLK

FSCLK384

SCK

WS

control

MCKDIS (L3)

12.288 or

24.576 MHz

in

CONTROL

DIVIDER

out

internal master clocks

OSC

OSC

22.5792 MHz

256fs or 384f s

2

C = 48 kHz

C

decoded sample rate index

C = 32 kHz

3

C = 44.1 kHz

256f s

2

C=0

C=1 C

control

1

FCKENA (L3)

256fs or 384f s

control

64f s

fs

64

C C=0

4

C=1

6

00

A

A=B

B

0: use master input

1: use slave input

MSEL1 MSEL0 (L3)

to input

interfaces

MGB491

Italics: internal signal designation.

Fig.3 SAA2501 clock generator.

7.4 Crystal oscillator

The recommended crystal oscillator configuration is shown in Fig.4. The specified component values only apply to

crystals with a low equivalent series resistance of <40 Ω.

January 1995

8

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