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W9952QP 데이터시트 PDF




Winbond에서 제조한 전자 부품 W9952QP은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 W9952QP 자료 제공

부품번호 W9952QP 기능
기능 TV ENCODER
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W9952QP 데이터시트, 핀배열, 회로
W9952QP
GENERAL DESCRIPTION
The W9952QP digital video encoder converts
YCbCr (4:2:2) 8-bit data into analog composite
video and Y/C video signals. It accepts ITU-601/656
or square pixel input formats, and the output video is
formatted to be compatible with 525-line (M) NTSC/
PAL or 625-line (B,D,G,H,I,M,Nc) PAL TV System.
The W9952QP operates in both master or slave
modes. At slave mode, the W9952QP auto detects
the input video format from the HSYNCN and
VSYNCN pins and generates the corresponding
video signals. At master mode, It generates the
required video timing internally according to the
configuration.
The W9952QP has two DAC outputs which can
output either two composite video signals or one Y/C
S-video signal. The W9952QP doesn't output
composite video and S-video simultaneously.
The W9952QP can operate at power-down mode by
selecting the SLEEP pin.
The W9952QP is designed to connect to MPEG1
and MPEG2 video decoders without glue logic. All
video processing is done digitally and requires no
external adjustment and no software programming is
required.
FEATURES
Full multi-standard digital encoder support for
525-line (M) NTSC/ PAL or 625-line PAL ( B, D,
G, H, I, M, Nc)
Accepts 8-bit ITU-601/656 or square YCbCr
(4:2:2) video data
Two composite outputs or one Y/C video output
(S video)
Master/ slave sync signal switchable
Interlaced and non-interlaced operation modes
Optional internal voltage reference
Power down mode
No software programming is required
5 Volts operation
32-pin PLCC package
TV ENCODER
FUNCTIONAL BLOCK
P[7:0]
CBSWAP
CLK
MASTER
SLEEP
MODE[3:0]
Sync/ Blank/ Pedestal
FSADJ
Color
Space
Converter
+
1.3 MHz
Low
Pass
Filter
+
8
Mux Up
DAC
Modu -
lator
Mux
Sampl-
ing
8
DAC
VREF_IN
COMP
Y
C
Video
Timing
Generator
DTO
Bandgap
Voltage
Reference
VREF
_OUT
VSYNCN HSYNCN TEST SVIDEO
Figure-1 W9952QP Functional Block
APPLICATIONS
W9952QP is designed for digital video applications,
such as VCDs (Video CDs), STBs (Set-Top Box) and
video games.
Figure 2 shows a typical configuration of W9952QP
application.
P[7:0]
MPEG1/2 CLK
CVBS/ Y
DESKTOP HSYNCN
VIDEO
W9952QP
CVBS/ C
VSYNCN
Fig. 2 W9952QP Application
FSADJ
COMP
VAA
VREF_OUT
VREF_IN
NC
CVBS_C
AGND
SLEEP
5
6
7
8
9
10
11
12
13
W9952QP
29 CLK
28 P[7]
27 P[6]
26 P[5]
25 P[4]
24 P[3]
23 P[2]
22 P[1]
21 P[0]
Winbond Corporate Headquarters
Tel : 886-3-5790666
Fax : 886-3-5796139
Taipei Sales Office
Tel : 886-2-27190505
Fax : 886-2-27197502
Winbond Electronics North America Corp.
Tel : 1-408-943666
Fax : 1-408-9436668
Details are subject to change without notice. All trademarks are property of their respective holders.
Winbond Electronics H.K. Ltd.
Tel : 852-27513100
Fax : 852-27552064
May 1997





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W9952QP

TV ENCODER

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