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PDF W9954F Data sheet ( Hoja de datos )
| Número de pieza | W9954F | |
| Descripción | (W9953F / W9954F) TV Encoder | |
| Fabricantes | Winbond Electronics | |
| Logotipo |  |
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heet4U.comGENERAL DESCRIPTION
ataSThe W9953F/ W9954F is a high performance digital
.Dvideo encoder which converts a 4:2:2 ITU-R 601/656
digital video stream into a standard analog base
wband composite video and Y/C video signals, which
wwcompatible with worldwide standards.
W9953F/W9954F
TV ENCODER
• Master or slave operation modes
• Programmable sync polarity and horizontal phase
• Programmable Y/C delay relationship
• Sync extraction from digital input data
• Interlaced or non-interlaced operation
• Closed captioning and WSS/CGMS encoding
The W9953F/ W9954F can operate in either master
or slave mode and interlaced or non-interlaced
mode. The on-chip 2X over sampling eases the
manalog post-filtering. Three 10-bit resolution D/A
converters provide Y,C and CVBS signals, all in
ostandard video-level at doubly terminated 75 Ω
.cloads.
The chips provide Closed-Caption, WSS/ CGMS
and teletext functions.
UThe W9953F also provides Macrovision 7.01 copy
t4protection, but W9954F doesn't provide this function.
eFEATURES
e• Full multi-standard digital encoder supports
hNTSC-M, PAL-B, D, G, H, I, N and M encoding
• Accepts ITU-R 601/ 656 8-bit YCbCr (4:2:2) input
Sformat
ta• Three 10-bit DACs, run at 2X pixel rate, provide
Y,C and CVBS outputs.
• PAL-WST Teletext encoding
• Fast I2C-bus control port
• Macrovision Rev 7.01 copy protection process
(W9953F only)
• On chip color-bar generator
• Internal voltage reference
• Power down mode
• Monolithic CMOS 3.3V (5V) device
• 44-pin QFP package
APPLICATIONS
W9953F/ W9954F is designed for digital video
applications, such as DVD (Digital Versatile Disc),
players STBs (Set-Top Box), Multimedia PCs and
other video equipment.
aFUNCTIONAL BLOCK
.DSDA SCL AS
XTALO XTALI XCLK
TTX TTXR
Q
wI2C-bus
Interface
wP[7:0]
Demultiplexer
and
SYNC Extract
w mHSYNC
oODDEV/VSYNC
Video Timing
Generator
t4U.cCLK
crystal
oscillator
Sync Generator
4:2:2 to 4:4:4
and
Up-sampling
Interpolator
LPF LPF
Chroma
Modulator
Teletext
Closed
Captioning
WSS/CGMS
Internal
Voltage
Reference
LPF D/A
Macrovision
D/A
D/A
Note,
The difference between W9953F and W9954F is W9953F
provides Macro -vision 7.01 copy protection, but W9954F
VREF doesn't provide this function.
COMP
FSADJ The W9953F may be purchased by Macrovision Authorized
Buyers only.
Y This device is protected by U.S. Patent numbers 4,631,603,
4577216 and 4,819,098, and other intellectual property
rights. The use of Macro- vision's copy protection
CVBS
technology in this device must be authorized by Macrovision
and is intended for home and other limited pay-per-view
uses only, unless otherwise authorized in writing by
C
Macrovision. Reverse engineering or disassembly is
prohibited.
eRESET#
heWinbond Corporate Headquarters
Tel : 886-3-5790666
SFax : 886-3-5796139
VSSD
VDDD
VDDA1
VDDA2
Taipei Sales Office
Tel : 886-2-27190505
Fax : 886-2-27197502
VSSA1
VSSA2
Winbond Electronics North America Corp.
Tel : 1-408-943666
Fax : 1-408-9436668
Winbond Electronics H.K. Ltd.
Tel : 852-27513100
Fax : 852-27552064
www.DataDetails are subject to change without notice. All trademarks are property of their respective holders.
Jul. 1998
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