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TDA8844 Datasheet(PDF) 9 Page - NXP Semiconductors

Part # TDA8844
Description  I2C-bus controlled PAL/NTSC/SECAM TV processors
PDF  68 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA8844 Datasheet(HTML) 9 Page - NXP Semiconductors

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December 16, 1997
9
Philips Semiconductors
Tentative Device Specification
I2C-bus controlled PAL/NTSC/SECAM TV
processors
TDA884X/5X-N2 series
The pin numbers mentioned in the rest of this document are referenced to the SDIP56 (SOT400) package.
In the TDA 8840/41/42/46/46A the following pins are different:
Pin 16 (SECAM PLL decoupling): Not connected in the TDA 8840/41/46/46A
Pin 27: Not connected in TDA 8840/41/42
Pin 28: Luminance output in TDA 8840/41/42
Pin 29-32 (U/V interface): Not available in TDA 8840/41/42
Pin 35 (4.43 MHz X-tal): Not connected in the TDA 8846/46A
Pin 45 (E-W drive output): AVL capacitor
In the TDA 8857H the pins 28 (SECAM PLL decoupling) and 51 (4.43 MHz X-tal) are not connected.
DECDIG
39
55
Decoupling digital supply
HOUT
40
56
horizontal output
FBISO
41
57
flyback input/sandcastle output
PH2LF
42
58
phase-2 filter
PH1LF
43
59
phase-1 filter
GND2
44
60
ground 2
EWD
45
62
east-west drive output
VDRB
46
63
vertical drive B output
VDRA
47
64
vertical drive A output
IFIN1
48
1
IF input 1
IFIN2
49
2
IF input 2
EHTO
50
3
EHT/overvoltage protection input
VSC
51
4
vertical sawtooth capacitor
Iref
52
5
reference current input
DECAGC
53
6
AGC decoupling capacitor
AGCOUT
54
7
tuner AGC output
AUDEEM
55
8
Audio deemphasis
DECSDEM
56
9
Decoupling sound demodulator
n.c.
−
12
not connected
VP3
−
23
Main supply voltage 2 (+8V)
CVBS2O
−
26
CVBS-2 output
RI2
−
41
2nd R input
GI2.
−
42
2nd G input
BI2
−
43
2nd B input
RGBIN2
−
44
2nd RGB insertion input
GND3
−
61
ground 3
SYMBOL
PIN
DESCRIPTION
SDIP56
QFP64



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