TDA9550 datasheet(11/125 Pages) PHILIPS

Nome de Peças	TDA9550

Descrição Electrónicos	TV signal processor-Teletext decoder with embedded m-Controller

PDF	125 Pages

Scroll/Zoom	100%

Fabricante Electrônico	PHILIPS [NXP Semiconductors]

Página de início	http://www.nxp.com

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11 / 125 page

Table 1

Pin functions for various versions

Note

1. When the AM/FM mode is chosen several pins have a different function. For this reason this mode can be selected only when the adapted

application is used.

2. When in the AM/FM mode the AM bit is activated a capacitor with a value of about 2.2

µF has to be switched externally in parallel with the sound

PLL filter

3. When additional (external) selectivity is required for FM-PLL system pin 32 can be used as sound IF input. This function is selected by means of

SIF bit in subaddress 21H.

IC version

FM-PLL version

QSS VERSION

AM/FM MODE (1)

NORMAL MODE

AMFM bit

East-West Y/N

CMB1/CMB0 bits

01/10/11

−

01/10/11

AM bit

−

−−−

−

Pin 20

AVL

EWD

DECSDEM

AVL

EWD

Pin 28

AUDEEM

SIFIN1

Pin 29

DECSDEM

SIFIN2

Pin 31

SNDPLL

SNDPLL SIFAGC(2)

SIFAGC

Pin 32

SNDIF(3)

REFO AVL/SNDIF(3) REFO

AUDEEM/AMOUT

AMOUT

REFO

AMOUT

REFO

Pin 35

AUDEXT

QSSO

AMOUT

AUDEXT

QSSO

AMOUT

Pin 44

AUDOUT

controlled audio out

controlled AM out

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