TW6864-LB2-GR Intersil, TW6864-LB2-GR Datasheet - Page 10

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TW6864-LB2-GR

Manufacturer Part Number
TW6864-LB2-GR
Description
4 Channel Multi-Standard Video And Audio Decoder With PCIe I
Manufacturer
Intersil
Datasheet

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Intersil Techwell Security Surveillance IC Selection Guide
SECURITY SURVEILLANCE ICs
TW6869
Multi-Channel PCIe Video Capture IC with
Built-in 8-Channel Video and Audio Decoder
The TW6869 is a highly integrated single-chip solution that supports multi-channel real time video and audio capture via PCIe x1 interface for PC
DVR applications. It contains eight high quality NTSC/PAL/SECAM video decoders that convert analog composite video signals to digital compo-
nent YCbCr data, and utilizes an adaptive 4H comb filter for separating luminance and chrominance to reduce cross noise artifacts. TW6869
contains a high performance proprietary DMA controller that fully optimizes the utilization of the PCIe x1 bandwidth, enabling it to transfer video
and audio data at optimal throughput rate.
TW6869 has the versatility to support a wide variety of video applications, including decoding and transferring 8 channel real-time D1 video, or
up to 32 channel non-real time D1 video simultaneously, plus 8 channels of audio. By implementing Intersil Techwell’s advanced proprietary
video-switching technology, TW6869 possesses industry leading video locking speed in non-real-time switching mode. The TW6869 comes with
a Software Development Kit which includes Windows and Linux compliant drivers, and reference application software.
Key Features
Video Decoder
DMA Controller
Order Information
Internal 8-channel video decoder with 10 bit ADCs
Internal 10-bit audio ADC with programmable sampling rate generation (8/16/32/44.1/48KHz)
High quality proprietary fast video locking system for non-real time application
PCI Express Base Specification 1.1 and 2.0 Compliant
Flexible PCIe packet size configuration: 128 byte, 256 byte, and 512 byte options
Supports 8-channel D1 video plus 8-channel audio simultaneously with Independent channel control
Dynamic synchronization video processing; and multiple video format output support: UYVY/Y422, UYYV/YUY2, Y420, IYU1/Y411, Y41P,
RGB555 and RGB565
Dual support for both Direct Show and Direct Draw
Accepts all NTSC (M/N/4.43) / PAL
(B/D/G/H/I/K/L/M/N/60) / SECAM standars with auto
detection
Integrated eight video analog anti-alias filters and
10-bit COMS ADC’s
IF compensation filter for improvement of color
demodulation
Color Transient Improvement (CTI)
White peak AGC control
Programmable hue, saturation, contrast, brightness,
and sharpness
High quality proprietary fast video locking system for
non-real-time applcations
High performance adaptive 4H comb filters for all
NTSC and PAL standareds
Highly efficient DMA design can support up to 8 real
time D1 video and 8 real time audio channels, or up to
32 non-real-time channels with optimization of full
PCIe x1 bandwidth
Built in Motion detection engine for each video
channel
Hardware friendly design enables smooth data transfer
Part number: TW6869
Package: 144-pin LQFP
G P IO
X T AL
TW6869 Block Diagram
C ontroller
& E xt.
G P IO
X ADM
V IN1 … V IN32
8-C h V ideo
Analog V ideo
Decoder
P roces s
32-C H
Data
V ideo
DMA C ontroller
R ADM
V ideo
F IF O
C X P L C ore
P C Ie P HY
P C I-e F inger
Detection
Motion
8-C h Audio ADC
AIN1 … AIN8
Analog Audio
LB C
& C odec
8-C H
B us
DMA C ontroller
V ideo & Audio
G enerator
Internal
C ontrol
Audio
C DM
Unit
Q4 2011 Edition

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