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TDA4681 Folha de dados(PDF) 10 Page - NXP Semiconductors

Nome de Peças TDA4681
Descrição Electrónicos  Video processor with automatic cut-off and white level control
Download  28 Pages
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Fabricante Electrônico  PHILIPS [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA4681 Folha de dados(HTML) 10 Page - NXP Semiconductors

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1997 Mar 04
10
Philips Semiconductors
Product specification
Video processor with automatic cut-off
and white level control
TDA4681
Table 2
Cut-off and white level measurement lines; notes 1 to 3
Notes
1. The line numbers given are those of the horizontal pulse counts after the start of the vertical component of the
sandcastle pulse.
2. * line frequency of approximately 31 kHz.
3. (EB) is extended blanking.
Table 3
Signal input selection by the fast source switches; notes 1 to 4
Notes
1. H: logic HIGH implies that the voltage >0.9 V.
2. L: logic LOW implies that the voltage <0.4 V.
3. X = don’t care.
4. ON indicates the selected input signal.
VBW2
VBW1
VBW0
R
G
B
WHITE
STANDARD
0
0
0
19
20
21
22
PAL/SECAM
0
0
1
16
17
18
19
NTSC/PAL M
0
1
0
22
23
24
25
PAL/SECAM (EB)
1
0
0
38, 39
40, 41
42, 43
44, 45
PAL*/SECAM*
1
0
1
32, 33
34, 35
36, 37
38, 39
NTSC*/PAL M*
1
1
0
44, 45
46, 47
48, 49
50, 51
PAL*/SECAM* (EB)
I2C-BUS CONTROL BITS
ANALOG SWITCH SIGNALS
INPUT SELECTED
FSON2 FSDIS2 FSON1 FSDIS1
FSW2
(PIN 1)
FSW1
(PIN 13)
RGB2
RGB1
Y/CD
LLLL
L
L
ON
LH
ON
HX
ON
LLL
H
L
X
ON
HX
ON
LL
H
X
L
X
ON
HX
ON
LHL
L
X
L
ON
XH
ON
LHLH
X
X
ON
LH
H
X
X
X
ON
H
XXX
X
X
ON


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