TDA9614H datasheet(19/60 Pages) PHILIPS

19 / 60 page

1995 Mar 21

Philips Semiconductors

Preliminary speciﬁcation

Audio processor for VHS hi-ﬁ

and linear audio

TDA9614H

Table 19 Bits HSL and HSR

Normally the headphone output signal is set by the output selection OSL, OSR and OSN (see Table 17). Furthermore

three independent selections can be made: LEFT hi-fi channel, RIGHT hi-fi channel (language selection) and NORMAL

(e.g. monitoring an audio dubbing recording). These headphone selections are also active for the VU meter output

(DC out), unless bit DCS = 1.

Table 20 Bit DCS

Note

1. The signal at DC out (DCOUTL and DCOUTR; pins 23 and 24) is normally the signal which can be listened to by the

headphone. For use in concepts with digital AGC (using the DC output signal to control the left and right volume

settings), an independent selection to hi-fi stereo can be made.

Table 21 Bit RFCM

Note

1. The audio signal at RF converter out (a mono version of the signal selected with the output select with overload AGC)

can be independently muted.

Table 22 Bits LOS1 and LOS0; note 1

Note

1. With the line output select some special connections can be made overruling the output select (OSL, OSR and OSN),

e.g. for connecting a decoder box (for a pay-TV channel) to a television set via the VCR.

HSL

HSR

MODE

DESCRIPTION

outsel

Headphone signal set by the output selection [por].

left

LEFT at both headphone out left and right.

right

RIGHT at both headphone out left and right.

normal

NORMAL (is linear audio) at both headphone outputs.

DCS

MODE

DESCRIPTION(1)

headphone

DC output is set by Headphone Select [por].

stereo

DC output is hi-ﬁ stereo.

RFCM

MODE

DESCRIPTION(1)

−

[por]

mute(1)

RF converter output signal muted

LOS1

LOS0

MODE

DESCRIPTION

Outsel

Line output selection is set by output select function [por].

Normal

Linear audio is connected to line output.

Ext2

Ext2 input is directly connected to line output.

Ext3

Ext3 input is directly connected to line output.

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