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參數(shù)資料
| 型號： | TDA9845T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | TV and VTR stereo/dual sound processor with digital identification |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, SO-20 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 177K |
| 代理商： | TDA9845T |
1995 Mar 20
12
Philips Semiconductors
Preliminary specification
TV and VTR stereo/dual sound processor
with digital identification
TDA9845
Table 1
Control input port matrix to select AF inputs and AF outputs
Notes
1.
2.
3.
4.
The combination 111 is
not allowed
.
In mute mode the content of the 117 Hz/274 Hz integrator will be reset. The LEDs are switched OFF.
The LED show the identification status.
In external mode, in the combination 110 only the LEDs are switched OFF.
INPUT/OUTPUT
MODE
INPUT SIGNAL
OUTPUT SIGNAL
CONTROL INPUT
LED
ST/DS/M
EXT
MAIN
PORT
(1)
V
i 1
PIN 8
M
M
AM
S
S
S
A
A
A
V
i 2
PIN 9
R
R
R
B
B
B
V
i 3
PIN 10
C
C
V
o 1
PIN 12
V
o 2
PIN 11
C3
PIN 20
C2
PIN 2
C1
PIN 1
DUAL
PIN 14
STEREO
PIN 15
Mute; note 2
Sound mute
Mono
M
no signal
no signal
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
1
1
0
1
1
0
1
1
0
1
0
0
1
0
1
1
0
1
1
0
1
1
0
OFF
note 3
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
note 3
OFF
OFF
note 3
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
note 3
OFF
M
M
AM
L
S
S
A
A
B
C
C
M
M
AM
R
S
S
B
A
B
C
C
Stereo
ST
Dual
DS
External; note 4
Table 2
Explanation of Table 1
SIGNAL
DESCRIPTION
R
L
S
right
left
A and B
C
AM
M
DS
ST
dual sound A/B
external sound source
AM sound (standard L)
mono sound
dual sound
stereo sound
2
-------+
)
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