tw2824 ETC-unknow, tw2824 Datasheet
tw2824
Manufacturer Part Number
tw2824
Description
Channel Video Quad/mux Controller Security Applications
Manufacturer
ETC-unknow
Datasheet
1.TW2824.pdf
(2 pages)
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Techwell
Techwell
Techwell
Techwell
Security Surveillance IC Solutions
Target Applications
Four Video Decoders
Dual Video Encoders
Quad/Mux Systems
4/8/16 channel DVR System
Car Rear Vision System
Accepts all NTSC/PAL standard
formats with auto detection
Four integrated anti-aliasing filters and
10-bit CMOS ADCs
High performance adaptive comb filters
for all NTSC/PAL standards
IF compensation filter for improvement
of color demodulation
PAL delay lines for correcting PAL
phase errors
Programmable hue, saturation,
contrast, brightness and sharpness
Dual high performance horizontal and
vertical scaler for each channel
Four built-in motion detectors with
16X12 cells and blind detectors
2 path digital outputs with ITU-R BT.656
standards
2 path analog outputs with all analog
NTSC/PAL standards
Supports CVBS or S-Video for each path
Programmable bandwidth for luminance and
chrominance path
Four 10-bit video CMOS DACs
Mixed Signal Semiconductor Solutions
Mixed Signal Semiconductor Solutions
Mixed Signal Semiconductor Solutions
Mixed Signal Semiconductor Solutions
www.techwellinc.com
The TW2824 has four high quality NTSC/PAL video decoders, dual
color display controllers and dual video encoders. The TW2824 contains
four 10-bit Analog-to-Digital converters, proprietary digital gain/clamp
controller, high quality Y/C separator to reduce cross-noise
and high performance dual scaler to provide various pictures. Four built-in
motion and blind detectors can increase the feature of security systems.
The TW2824 has a flexible video display controller to support basic QUAD
and MUX functions. The TW2824 also has an excellent graphic overlay
function which displays character/bitmap, box and mouse pointer. The
TW2824 contains two video encoders with four 10-bit Digital-to-Analog
converters for providing 2 composite or S-video outputs.
Dual Video Controllers
Features
Additional 1 channel digital input for playback or cascade operation
Full Live/Strobe/Switch function
Auto sequence switch with 64 queues and/or manual switch by
interrupt
Various channel attribute control
Image enhancement for still image
High performance 2X zoom for horizontal and vertical direction
Supports save and recall function
Last image capture when video-loss
Extendable to 8/12/16 channel video controller using cascade
connection
Path-to-Path cascade
Character/Bitmap overlay for OSD
16 programmable single boxes
4 2D arrayed boxes for motion result display
Mouse pointer overlay
4 Channel Video QUAD/MUX Controller
TECHWELL
SECURITY
TW2824
For Security Applications
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tw2824 Summary of contents
Page 1
... Four built-in motion and blind detectors can increase the feature of security systems. The TW2824 has a flexible video display controller to support basic QUAD and MUX functions. The TW2824 also has an excellent graphic overlay function which displays character/bitmap, box and mouse pointer. The TW2824 contains two video encoders with four 10-bit Digital-to-Analog converters for providing 2 composite or S-video outputs ...
Page 2
... Security Surveillance IC Solutions TW2824 Block Diagram PBCLK PBIN ITU-R BT656 Decoder PBVALID H/V Scaler VIN0A Color Decoder MUX ADC H/V Scaler VIN0B Motion Detect H/V Scaler VIN1A Color Decoder MUX ADC H/V Scaler VIN1B Motion Detect H/V Scaler VIN2A Color Decoder MUX ADC H/V Scaler VIN2B Motion Detect ...