Datasheet > CS92288

CS92288

更新时间： 2024-10-28 23:43:59

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其他 - ETC		/
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2页	46K
描述
Peripheral IC

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CS92288 数据手册

CS92288

P R O D U C T B U L L E T I N

MPEG-2 Audio/Video CODEC

+1.8

+3.3

I C

SYSCLK

CS92288 Features

I C

ꢀ

Single Chip, real time MPEG-2 Audio/Video

CODEC with system Mux/Demux and OSD

Video Clock

(27 MHz)

Video Engine

PLL

CTRL

R-BUS

Digital Video In

CCIR-601/656

Video

D-BUS

ꢀ

Supports Real Time MPEG-1, MPEG-2 MP@ML,

SP@ML, and MP@LL encoding and decoding

Interface

SDRAM

Memory

(108 MHz)

RISC micro-

Controller (ARC)

Unit (VIO)

SDRAM Controller

Digital Video Out

Support for constant and one-pass variable bit

rate

ꢀ

Digital Audio In

Audio

Interface

Unit (AIU)

Audio

Engine Unit

Host

Interface

IPB-pictures, CBR or VBR to 15 Mbps

Audio

PLL

I S

Digital Audio Out

ꢀ

I-pictures only to 30 Mbps

Bit-stream/Control

Host Interface

Audio Clock Out

ꢀ

Supports Transport, Program, and Elementary

streams

Support for real time encoding and decoding of

two-channel digital audio in either Dolby Digital

or MPEG audio (Layer I, II, and III - MP3)

The CS92288 is a single chip, real time MPEG-2 audio/video

encoder/decoder (codec) with an integrated system

multiplexor/demultiplexor and on-screen display (OSD) feature. The

CS92288 codec encodes and decodes both ISO/IEC 13818 Main

Level @ Main Profile (ML@MP), Simple Profile @ Main Level

(SP@ML), Main Profile @ Low Level (MP@LL), and ISO/IEC 11172

(MPEG-1) video bitstreams as well as MPEG audio, and Dolby Digital

(AC-3).

ꢀ

Programmable system mux/demux supports

VCD, SVCD and DVD encoding and decoding

8-bit OSD support (2-b text, 2-b to 8-b

graphics)

ꢀ

Supports multiple resolutions and scan rates

Low external memory, e.g., NTSC:

ꢀ

8 Mbytes for full D1 (720) NTSC/PAL pictures

In encode mode, the CS92288 produces MPEG-compliant audio and

video elementary bit streams, program bit streams, as well as

transport streams for broadcast and set-top box applications. For

additional flexibility, the CS92288 accepts video in either the ITU-R

BT.656 (CCIR-656) or ITU-R BT.601 (CCIR-601) format. Audio is

input in the Linear PCM format. In decode mode, the CS92288 can

accept MPEG transport streams, program bit streams, as well as

audio and video elementary streams. Video can be output in either

the CCIR-656 or 601 CCIR-601 format. Audio is output in the Linear

PCM format.

ꢀ

Intel/Motorola 16-bit host interface

Generic 8-bit interface for glue-less to multiple

devices such as the Philips 7146 PCI Bridge,

Philips TriMedia, and USB controllers

ꢀ

Integrated programmable video pre & post

processors

ꢀ

Integrated I C and I S Interfaces

1.00 watts at 108 MHz average power

consumption

ꢀ

272 BGA package

For applications requiring on screen displays, the CS92288 OSD

feature supports both text and graphics.

For more information, visit us at www.cirrus.com

中文翻译

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