cx23888 Conexant Systems, Inc., cx23888 Datasheet

cx23888

Manufacturer Part Number

cx23888

Description

Pci Express Broadcast Audio/video Decoder With 3d Comb And Analog If Demodulator

Manufacturer

Conexant Systems, Inc.

Datasheet

1.CX23888.pdf (2 pages)

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Video

PCI Express Video Decoders

PCI Express Broadcast Audio/Video Decoder

with 3D Comb and Analog IF Demodulator

The CX23888 brings Conexant’s long heritage of audio and video capture

The integrated worldwide video decoder and audio decoder can be used

The devices can capture a single analog stream, two simultaneous digital

The CX23888 integrates an anti-aliasing, noise rejection filters, and automatic

The level of audio and video integration provided by the CX23888 removes the

CX23888

Conexant’s portfolio includes a comprehensive suite of semiconductor

solutions for communications and consumer applications.

solutions to systems that enable PCI Express bus architectures. The device

on personal computers or consumer electronic devices.

for a high performance, cost effective, basic analog television capture, or

can be used as the base for more complex multiple tuner configurations.

transport streams, or a combination of analog and digital programming.

In addition, analog, hybrid and combo configurations may be used in

conjunction with hardware MPEG encoders.

gain control (AGC) and also includes an integrated analog IF demodulator

compatible with high or low IF tuners. Furthermore, the CX23888’s advanced

IR features, such as remote learning, remote system wake, and STB

accomplished by using 10-bit video ADCs, a full 10-bit video data path, and an

adaptive 3D comb filter. The device also includes horizontal and 5-tap vertical

scaling, hue, brightness, saturation, and contrast controls.

For high-quality audio, we have analog to digital converters for stereo audio

capture and a minimum of 16-bit audio resolution through the entire audio data

path. This ensures high fidelity audio, whether it comes from the integrated

processing units for control of volume, three-band equalization, and balance.

need for additional broadcast audio decoding and processing chips or external

sound demodulation chips. It also reduces the overall bill of materials (BOM)

for the system developer, without compromising audio and video performance.

integrates all functions required to perform television and external A/V capture

Highly Integrated

blasting, are supported in Windows Vista operating systems. Quality video is

broadcast audio decoder or external serial audio sources. The audio path

includes an automatic volume control function and two assignable stereo

•

Description

Distinguishing Features

• PCI Express 1.0a Compliant Bus

• Adaptive 3D comb filtering via host

• Integrated analog IF demodulator for low or

• Worldwide Audio and Video Decoding

• Automatic Video and Broadcast Audio

• Flexible Video Input MUX supporting

• Integrated Sigma-Delta Stereo Audio

• Audio Sample-rate-converters on all

• Two MPEG Transport Stream Ports

Part Number CX23888

memory

high IF tuners

Standard Detection and Configuration

Composite, S-Video, and Component

Inputs with Integrated Anti-alias Filtering

ADCs with 4:2 MUX

Inputs and Outputs

– Serial or Parallel Interfaces

PCI Express Broadcast Audio/Video

Decoder with 3D Comb and Analog

IF Demodulator

Related parts for cx23888

cx23888 Summary of contents

Page 1

... The level of audio and video integration provided by the CX23888 removes the need for additional broadcast audio decoding and processing chips or external sound demodulation chips. It also reduces the overall bill of materials (BOM) for the system developer, without compromising audio and video performance. • ...

Page 2

... Audio Decoder BTSC/EIAJ/A 2/NICAM In/Out X1 PCI Express DMA Interface Bit / PCI Express Bus 32, 44.1, 48, 96 kHz CX23888 Block Diagram www.conexant.com General Information: U.S. and Canada: (888) 855-4562 International: 1+ (949) 483-3000 Headquarters 4000 MacArthur Blvd. Newport Beach, CA 92660 Doc# PBR-200974 SCL{1, ...

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