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PDF AV3168 Data sheet ( Hoja de datos )
| Número de pieza | AV3168 | |
| Descripción | (AV3168 / AV3169) Video Encoder | |
| Fabricantes | AVS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AV3168 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
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AVS Technology
AV3168/69
Video Encoder
FEATURES
• Fully CCIR 624 performance compliance
NTSC and PAL (B,D,G,H,I,M and N) video
encoder
• Composite, S-video, Component Y/Cb/Cr
(Sony, Matsushita, and SMPTE) or RGB
output.
• Triple 10-bit digital to analog converter.
• Accepts 27 Mhz multiplexed 8-bit digital
video inputs.
• Master or Slave 4-Field NTSC or 8-Field
PAL video timing generation.
• CCIR 656 EAV SYNC extraction.
• Automatic NTSC or PAL timing detection in
slave mode operation.
• Automatic or User Programmable Chroma
Filter Selection.
• Macrovision Anti-Tapping Rev 7.01 support
in AV3168 Only.
• Closed Caption Support.
• Contrast and Brightness control.
Clock Generation
• 3 outputs for 27 MHz video clock, 16.934,
18.432 and 36.864 Mhz audio clock, and
40.5, 54.0, 67.5 and 81.0 MHz general
purpose clocks.
• Requires a single 27 Mhz crystal.
General
• CVBS and S-video DAC power down con-
trols.
• I2C compatible serial control bus.
• Single +5 volt power supply.
Application
• Digital Video Disk (DVD)
• Digital Set-Top Box
• PC Video, Multimedia
Ordering Information
AV3168/69-CL 44-pin PLCC
SDA
SCL
RST
GOUT0 GOUT1
GCK
ACK CK27
I2C
SERIAL I/F
G
PLL
LPF
f sc
HSYN
VSYN
VIDEO
TIM'NG GEN
Macrovision
Anti-tapping
Color
Space
Conv.
PD<7:0>
z-n G
OFF SET
AVS Technology Inc.
4110 Clipper Ct., Fremont CA94538
Tel: (510) 353-0848
Fax: (510) 353-0856
1-24
LPF
Y, Y, R
CVBS, Cr, B
C, Cb, G
January 4, 2001
1 page  
PIN DESCRIPTIONS
AV3168/69
VREF
VSS
VSS
GOUT0
GOUT1
XOUT
XIN
MSTR
VSS
VDD
RST
40
41
42
43
44
1
2
3
4
5
6
28 PDEN
27 CPNT
26 VSS
25 ACK
24 SCL
23 SDA
22 VDD
21 HSYN
20 VSYN
19 PD7
18 PD6
5-24
January 4, 2001
5 Page 
AV3168/69
LUMINANCE PROCESSING
The luminance, Y, are interpolated to 27 Mhz sampling rate through a multi-tap linear poly-phase filter. The filter
frequency response is flat from 0 to 5 MHz. Contrast and Brightness control are provided for minor adjustment
only.
Contrast Control
Item
1
2
3
4
CREG1<1:0>
00
01
10
11
Contrast
Normal
Less Contrast
Least Contrast
High Contrast
.
Brightness Control
Item
1
2
3
4
CREG1<3:2>
00
01
10
11
Contrast
Normal
Modest Brightness
High Brightness
Less Brightness
LUMINANCE FILTER
luminance Filter Frequency Response
0
-10
-20
-30
-40
-50
0 2 4 6 8 10 12
Frequency (Mhz)
11-24
January 4, 2001
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet AV3168.PDF ] | |
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