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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 23/52頁 |
| 文件大?。?/td> | 244K |
| 代理商： | TDA9605H |
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1999 Apr 14
23
Philips Semiconductors
Product specification
Audio processor with head amplifier for VHS hi-fi
TDA9605H
7.5
Select byte at subaddress 01H
The select byte is used for decoder output select, record current range select and linear audio volume control.
7.5.1
D
ECODER OUTPUT SELECT
By setting bit DOS = 0 of the output byte, the decoder output signal on pins DECL and DECR is defined by the output
select function. However, by setting bit DOS = 1 the decoder select function enables several independent signal
selections controlled via bits DOS1 and DOS0. Via the decoder select function the input signals on pins TUNL
and TUNR, pins EXT1L and EXT1R and pin SAP can be selected. The mute mode can also be selected.
The indicated decoder select function modes are also available during the active standby mode by setting bit STBA = 1.
Table 15
Decoder output select (bits DOS1 and DOS0)
Note
1.
Power-on reset state.
7.5.2
H
EAD AMPLIFIER RECORD CURRENT RANGE SELECT
The default selection of eight recording currents set by bits HAC2, HAC1 and HAC0 of the control byte is extended with
four additional low level recording currents by setting bit HRL = 1.
Table 16
Head amplifier record low current (bit HRL)
Note
1.
Power-on reset state.
DOS1
DOS0
MODE
DESCRIPTION
0
0
1
1
0
1
0
1
tuner
ext1
SAP
mute
selection of input signal on pins TUNL and TUNR; note 1
selection of input signal on pins EXT1L and EXT1R
selection of input signal on pin SAP
muting the input signal
HRL
MODE
DESCRIPTION
0
1
high current
low current
selection of 8 medium and high-level recording currents; note 1
selection of 4 low-level recording currents
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