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STMicroelectronics Electronic Components Datasheet

STV0056A Datasheet

SATELLITE SOUND AND VIDEO PROCESSORS

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STV0056A
SATELLITE SOUND AND VIDEO PROCESSOR
SOUND
. TWO INDEPENDENT SOUND DEMODULA-
TORS
. PLL DEMODULATION WITH 5-10MHz FRE-
QUENCY SYNTHESIS
. PROGRAMMABLE FM DEMODULATOR
BANDWIDTH ACCOMODATING FM DEVIA-
TIONS FROM ±30kHz TILL ±400kHz
. PROGRAMMABLE 50/75µs, J17 OR NO DE-
EMPHASIS
. WEGENER PANDA SYSTEM
. TWO AUXILIARY AUDIO INPUTS AND OUT-
PUTS
. GAIN CONTROLLED AND MUTEABLE
AUDIO OUTPUTS
. HIGH IMPEDANCE MODE AUDIO OUTPUTS
FOR TWIN TUNER APPLICATIONS
VIDEO
. COMPOSITE VIDEO 6-bit 0 to 12.7dB GAIN
CONTROL
. COMPOSITE VIDEO SELECTABLE IN-
VERTER
. TWO SELECTABLE VIDEO DE-EMPHASIS
NETWORKS
. 6 x 3 VIDEO MATRIX
. BLACK LEVEL ADJUSTABLE OUTPUT FOR
ON-BOARD VIDEOCRYPT DECODER
. HIGH IMPEDANCE MODE VIDEO OUTPUTS
FOR TWIN TUNER APPLICATIONS
MISCELLANEOUS
. 22kHz TONE GENERATION FOR LNB CON-
TROL
. I2C BUS CONTROL
CHIP ADDRESSES = 06HEX OR 46HEX
. LOW POWER STAND-BY MODE WITH AC-
TIVE AUDIO AND VIDEO MATRIXES
DESCRIPTION
The STV0056A BICMOS integrated circuit realizes
all the necessary signal processing from the tuner
to the Audio/Video input and output connectors
regardless the satellite system.
ADVANCE DATA
SHRINK56
(Plastic Package)
ORDER CODE : STV0056A
PIN CONNECTIONS
FC R
PK IN R
LEVEL R
S1 VID RTN
S3 VID RTN
VOL R
S3 VID OUT
S1 VID OUT
S2 VID OUT
VOL L
S2 VID RTN
S2 OUT L
CLAMP IN
S2 OUT R
UNCL DEEM
VIDEEM2/22kHz
V 12V
VIDEEM1
V GND
B-BAND IN
S2 RTN L
S2 RTN R
FM IN
S3 RTN L
S3 RTN R
AGC L
S3 OUT L
S3 OUT R
1
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14
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17
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22
23
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56 A GND R
55 FC L
54 PK IN L
53 LEVEL L
52 PK OUT L
51 PK OUT R
50 IREF
49 CPUMP R
48 U75 R
47 DET R
46 AMPLK R
45 A 12V
44 VREF
43 A GND L
42 AGC R
41 AMPLK L
40 U75 L
39 DET L
38 CPUMP L
37 GND 5V
36 VDD 5V
35 XTL
34 J17 L
33 J17 R
32 HA
31 SDA
30 SCL
29 I/O/22kHz
September 1996
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice.
1/26


STMicroelectronics Electronic Components Datasheet

STV0056A Datasheet

SATELLITE SOUND AND VIDEO PROCESSORS

No Preview Available !

STV0056A
PIN ASSIGNMENT
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Name
FC R
PK IN R
LEVEL R
S1 VID RTN
S3 VID RTN
VOL R
S3 VID OUT
S1 VID OUT
S2 VID OUT
VOL L
S2 VID RTN
S2 OUT L
CLAMP IN
S2 OUT R
UNCL DEEM
VIDEEM2/22kHz
V 12V
VIDEEM1
V GND
B-BAND IN
S2 RTN L
S2 RTN R
FM IN
S3 RTN L
S3 RTN R
AGC L
S3 OUT L
S3 OUT R
I/O/22kHz
SCL
SDA
HA
J17 R
J17 L
XTL
VDD 5V
GND 5V
CPUMP L
DET L
U75 L
AMPLK L
AGC R
A GND L
VREF
Fu nction
Audio Roll-off Right
Noise Reduction Peak Detector Input Right
Noise Reduction Level Right
TV-Scart 1 Video Return
Decoder-Scart Video Return
Volume Controlled Audio Out Right
Decoder-Scart Video Output
TV-Scart 1 Video Output
VCR-Scart 2 Video Output
Volume Controlled Audio Out Left
VCR-Scart 2 Video Return
Fixed Level Audio Output Left (to VCR)
Sync-Tip Clamp Input
Fixed Level Audio Output Right (to VCR)
Unclamped Deemphasized Video Output
Video Deemphasis 2 or 22kHz Output
Video 12V Supply
Video Deemphasis 1
Video Ground
Base Band Input
Auxiliary Audio Return Left (from VCR)
Auxiliary Audio Return Right (from VCR)
FM Demodulator Input
Auxiliary Audio Return Left (from decoder)
Auxiliary Audio Return Right (from decoder)
AGC Peak Detector Capacitor Left
Auxiliary Audio Output L (to decoder)
Auxiliary Audio Output R (to decoder)
Digital Input/Output or 22kHz Output
I2C Bus Clock
I2C Bus Data
Hardware Address
J17 Deemphasis Time Constant Right
J17 Deemphasis Time Constant Left
4/8MHz Quartz Crystal or Clock Input
Digital 5V Power Supply
Digital Power Ground
FM PLL Charge Pump Capacitor Left
FM PLL Filter Left
Deemphasis Time Constant Left
Amplitude Detector Capacitor Left
AGC Peak Detector Capacitor Right
Audio Ground
2.4V Reference
2/26


Part Number STV0056A
Description SATELLITE SOUND AND VIDEO PROCESSORS
Maker ST Microelectronics
Total Page 26 Pages
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