1995 Mar 21

13

Philips Semiconductors

Product specification

Audio FM processor for VHS hi-fi audio

TDA9610H

Input byte

Table 12 Bits of input byte

Table 13 Bits ISH and ISL; note 1

Note

1. With bits ISH and ISL the stereo input signal is selected which is fed to the hi-fi processing. One out of four stereo

sources can be selected. The terms: Tuner, Cinch, Ext1 and Ext2 are used for describing purposes only, technically

all four inputs are equal (except for the fact that tuner left (TUNL, pin 6) is also selectable by Normal Select).

Table 14 Bits NSH, NSL and NSS; note 1

Notes

1. With bits NSH and NSL in combination with bit NSS the input signal is selected which is fed out at pin 47 (LINOUT).

With bit NSS set LOW a selection can be made between the four stereo line inputs (like the hi-fi input select). With

bit NSS set HIGH, bits NSH and NSL make a selection between four special select functions.

When a stereo input source is selected, both channels are added to obtain a mono output signal, then the output

signal at LINOUT is equal to:

In the Volume mode the output signal is equal to:

Note that for the Volume mode the hi-fi input select (ISH and ISL) determines the used input source.

2. NSS from select byte.

BIT

DESCRIPTION

ISH

Input Select HIGH; see Table 13

ISL

Input Select LOW; see Table 13

NSH

Normal Select HIGH; see Table 14

NSL

Normal Select LOW; see Table 14

ISH

ISL

MODE

DESCRIPTION

0

0

Tuner

TUNL and TUNR selected (as hi-fi stereo input source) [por]

0

1

Cinch

CINL and CINR selected

1

0

Ext1

EXT1L and EXT1R (e.g. Scart input) selected

1

1

Ext2

EXT2L and EXT2R selected

NSH

NSL

MODE

DESCRIPTION

0

0

0

Tuner

TUNL and TUNR selected (as normal audio input source) [por]

0

1

0

Cinch

CINL and CINR selected

1

0

0

Ext1

EXT1L and EXT1R selected

1

1

0

Ext2

EXT2L and EXT2R selected

0

0

1

Volume

hi-fi input source selected; taken after record volume control

0

1

1

Exn1

additional mono input (EXN1, pin 48) selected

1

0

1

Tuner left

only TUNL selected (e.g. dual language)

1

1

1

Exn2

additional mono input (EXN2, pin 52) selected

LR

+

()

2

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

L

Volume Left

×

R

Volume Right

×

+

()

2

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