參數(shù)資料
型號(hào)： TDA9605H
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： Audio processor with head amplifier for VHS hi-fi
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP44
文件頁(yè)數(shù)： 25/52頁(yè)
文件大?。?/td> 244K
代理商： TDA9605H
1999 Apr 14
25
Philips Semiconductors
Product specification
Audio processor with head amplifier for VHS hi-fi
TDA9605H
7.6.2
N
ORMAL SELECT
The normal select function defines which of the input signals is forwarded to pin LINOUT for the connection to an external
linear audio circuit.
Table 19
Normal select (bits NS2, NS1 and NS0)
Note
1.
Power-on reset state.
7.7
Output byte at subaddress 03H
The output byte is used for selecting and controlling the output.
7.7.1
L
INE OUTPUT AMPLIFICATION
An additional 1 dB amplification for the line and decoder outputs on pins LINEL, LINER, DECL and DECR can be
selected by the line output high function.
Table 20
Line output high (bit LOH)
Note
1.
Power-on reset state.
7.7.2
O
UTPUT SELECT
The auto-normal function is activated when no hi-fi signal is found on tape in the playback mode. Except for the mute
mode, all output select function modes will be overruled and changed to normal. Control of normal input level should be
set to mute for muting the hi-fi sound. The state of the auto-normal function can be monitored by reading bit AUTN of the
read byte.
NS2
NS1
NS0
MODE
DESCRIPTION
0
0
0
0
0
1
input select
volume
left plus right channel signal selected by input select
left plus right channel signal including hi-fi volume control
selected by input select
left channel only (language 1) selected by input select
left channel only (language 1) including hi-fi volume control
selected by input select
mono input signal from pin SAP
tuner input signal from pins TUNL and TUNR
external input signals from pins EXT2L and EXT2R
mute of the input signals; note 1
0
0
1
1
0
1
input-left
volume-left
1
1
1
1
0
0
1
1
0
1
0
1
SAP
tuner
ext2
mute
LOH
MODE
DESCRIPTION
0
1
0 dB
1 dB
no line output amplification; note 1
1 dB line output amplification
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