參數(shù)資料
型號(hào)： TDA9614H
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： Audio processor for VHS hi-fi and linear audio(應(yīng)用于VHS高保真和線性音頻的音頻處理器)
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： PLASTIC, QFP-64
文件頁(yè)數(shù)： 19/60頁(yè)
文件大?。?/td> 570K
代理商： TDA9614H
1995 Mar 21
19
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
1
1
0
0
1
0
1
0
outsel
left
right
normal
Headphone signal set by the output selection [por].
LEFT at both headphone out left and right.
RIGHT at both headphone out left and right.
NORMAL (is linear audio) at both headphone outputs.
DCS
MODE
DESCRIPTION
(1)
0
1
headphone
stereo
DC output is set by Headphone Select [por].
DC output is hi-fi stereo.
RFCM
MODE
DESCRIPTION
(1)
0
1
mute
(1)
[por]
RF converter output signal muted
LOS1
LOS0
MODE
DESCRIPTION
0
0
1
1
0
1
0
1
Outsel
Normal
Ext2
Ext3
Line output selection is set by output select function [por].
Linear audio is connected to line output.
Ext2 input is directly connected to line output.
Ext3 input is directly connected to line output.
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