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參數(shù)資料
| 型號： | TMS320AV420 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Digital NTSC Encoder(數(shù)字NTSC編碼器) |
| 中文描述： | NTSC制式的數(shù)字編碼器（數(shù)字NTSC制式編碼器） |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 487K |
| 代理商： | TMS320AV420 |
TMS320AV420
DIGITAL NTSC ENCODER
SCSS015A – AUGUST 1994 – REVISED SEPTEMBER 1995
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Single-Chip Digital NTSC Encoder
Input: RGB, YUV 4:4:4 or YUV 4:2:2
Output: S-Video (Y and C)
Y and C Conform to the RS170A Standard
On-Chip Sync-Signal-Generator Circuitry
Internal and External Synchronization
Capability
Interlaced and Noninterlaced Operation
Vertical-Line Interpolation for MPEG-1
Video
Overlay Function for On-Screen Display
Direct Interface to the TMS320AV220 Video
CD MPEG Decoder
80-Pin Quad Flat Package
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80797877767574737271706968676665
PH PACKAGE
(TOP VIEW)
VREF
V
SSA
BIASC
COMPC
IREFC
V
CCA
COUT
TOUT0
V
SS
TOUT1
TOUT2
TOUT3
TOUT4
TOUT5
TOUT6
TOUT7
V
CC
D23
D22
D21
D20
V
SS
D19
D18
FORM0
V
SS
YADJ1
YADJ0
OLB
OLG
OLR
OLC
EXTEN
V
CC
OSCIN
OSCOUT
V
SS
INTER
VSYNC
D0
D1
D2
D3
V
CC
D4
D5
D6
V
SS
Y
V
I
C
B
T
T
T
T
T
R
I
I
F
C
V
V
D
D
D
V
D
D
D
D
D
D
D
C
D
H
C
V
V
description
The TMS320AV420 is a video encoder that converts the RGB or YUV pixels to the analog S-video signal using
digital-signal-processing techniques. The pixels are input to the ’AV420 using a 13.5-MHz clock. S-video is
output from the ’AV420 on two separate RS170A-compatible analog channels, the luminance (Y) channel and
the chrominance (C) channel. The ’AV420 operates in either interlaced or noninterlaced mode. The internal and
external synchronization capabilities, vertical line interpolation, on-screen display, and direct interfacing
features provide the ’AV420 video quality and facilitate video-system design.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
1995, Texas Instruments Incorporated
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