SAA2501 Datasheet, PDF (8/52 Pages) NXP Semiconductors – Digital Audio Broadcast DAB decoder

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