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Intersil Electronic Components Datasheet

TW2836 Datasheet

4 Channel Video QUAD/MUX Controller

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Techwell
NOT RECOMMENDED FOR NEW DESIGNS
Contact our Technical Support Center at
1-888-INTERSIL or www.intersil.com/tsc
4 Channel Video QUAD/MUX Controller
For Security Applications
TW2836
The TW2836 has four high quality NTSC/PAL
video decoders, dual color display controllers
and dual video encoders. The TW2836 contains
four built-in analog anti-aliasing filters, four 10 bit
Analog-to-Digital converters, and proprietary
digital gain/clamp controller, high quality Y/C
separator to reduce cross-noise and high
performance free scaler. Four built-in motion,
blind and night detectors can increase the
security system feature. The TW2836 has
flexible video display/record/playback controller,
including basic display and MUX functions. The
TW2836 also has an excellent graphic overlay
function that displays bitmap for OSD, single box,
2D array box, and mouse pointer. The built-in
channel ID CODEC allows auto decoding and
displaying during playback and the additional
scaler on the playback supports multi-cropping
function of the same field or frame image. The
TW2836 contains two video encoders with three
10 bit Digital-to-Analog converters to provide 2
composite or S-video. The TW2836 can be
extended up to 8/16 channel video controller
using chip-to-chip cascade connection.
Features
Four Video Decoders
Accepts all NTSC(M/N/4.43) /
PAL(B/D/G/H/I/K/L/M/N/60) standards with
auto detection
Integrated four video analog anti-aliasing filters
and 10 bit CMOS ADCs
High performance adaptive 4H comb filters for
all NTSC/PAL standards
IF compensation filter for improvement of color
demodulation
Color Transient Improvement (CTI)
Automatic white peak control
Programmable hue, saturation, contrast,
brightness and sharpness
High performance horizontal and vertical scaler
for each path including playback input
Fast video locking system for non-realtime
application
Four built-in motion detectors with 16X12 cells
and blind and night detectors
Additional digital input for playback with ITU-R
BT.656 standard
Auto cropping / strobe for playback input with
Channel ID decoder
Supports four channel full D1 record mode
Dual Video Controllers
Supports full triplex function with 4ch live,
4ch playback display and 4ch record output
Analog/Digital channel ID CODEC for record
and playback application
Supports adaptive median filter for Record
Supports pseudo 8 channel and/or dual
page mode
Horizontal/Vertical mirroring for each
channel
Last image captured when video-loss
detected
Auto sequence switch with 128 queues
and/or manual switch by interrupt for record
path
Channel skip in auto sequence switch for
record path when video-loss detected
Image enhancement for zoomed or still
image in display path
High performance 2X zoom to horizontal
and vertical direction for display path
July 2, 2012
FN7741.1
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.


Intersil Electronic Components Datasheet

TW2836 Datasheet

4 Channel Video QUAD/MUX Controller

No Preview Available !

TW2836
Extendable up to 8/16 channel video
controller using cascade connection
Quad MUX switch with 32 queues and/or
manual control by interrupt for record path
64 color bitmap OSD overlay with 720x480
in NTSC / 720x588 resolution in PAL
Four programmable single boxes and four
2D arrayed boxes overlay
Mouse pointer overlay
Dual Video Encoders
Dual path digital outputs with ITU-R BT.656
standard
Dual path analog outputs with all analog
NTSC/PAL standards
Programmable bandwidth of luminance and
chrominance signal for each path
Three 10 bit video CMOS DACs
Applications
Analog QUAD/MUX System
4/8/16 Channel DVR System
Car Rear Vision System
Hair Shop System
Dental Care System
2


Part Number TW2836
Description 4 Channel Video QUAD/MUX Controller
Maker Intersil
PDF Download

TW2836 Datasheet PDF






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