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CS4630-CM 数据表(PDF) 1 Page - Cirrus Logic

部件名 CS4630-CM
功能描述  CrystalClear SoundFusion PCI Audio Accelerator
Download  38 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS4630-CM 数据表(HTML) 1 Page - Cirrus Logic

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Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright
© Cirrus Logic, Inc. 1999
(All Rights Reserved)
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
CS4630
Features
l 420 MIPs SLIMDDSP Architecture with
increased internal memory for greater
performance
l Hardware acceleration for Microsoft
DirectSound® and DirectSound3D®
Positional Audio
l Sensaura™ 3-D, 2 or 4 channel audio
l EAX™ 1.0 enhanced environmental audio
standard
l Unlimited-Voice Wavetable Synthesis with
Effects including DLS support
l Acoustic Echo Cancellation Hardware
Acceleration for NetMeeting
l 10 Band Graphic Equalization
l High Quality Hardware Sample Rate
Conversion (90+ dB Dynamic Range)
l PC/PCI, DDMA, and CrystalClear Legacy
Support (CCLS)
l PCI 2.1 Compliant PCI Interface
l Full duplex, 128 Stream DMA Interface with
Hardware Scatter/Gather Support
l PCI Power Management (D0 through
D3cold), APM 1.2, and ACPI 1.0
l Power Management Event (PME#)
Generation within D0-D3cold
l Dual AC ‘97 2.1 Codec Interface
l Asynchronous Digital Serial
Interface (ZV Port)
l S/PDIF Digital Input and Output
support for PCM and AC3
encoded 5.1 Channel Formats
l DirectInputJoystick and MPU-
401 MIDI In/Out
l 3.3 V / 2.5 V Power Supply (5 V
tolerant I/O)
l PC 98 and PC 99 Compliant
Description
The CS4630 is a high performance upgrade to the
CS4624 PCI audio accelerator. With support for legacy
compatibility modes, the CS4630 enables real mode
DOS compatibility within PCI-only audio subsystems.
This device, combined with application and driver
software, provides a complete system solution for
hardware
acceleration
of
Microsoft’s
DirectSound,
DirectSound3D, DirectInput, and Wavetable Synthesis.
WDM drivers provide support for both Windows 98® and
Windows 2000®.
The CS4630 is based on the Cirrus Logic CrystalClear™
Stream Processor (SP) DSP core. The SP core is
optimized for digital audio processing, and is powerful
enough to handle complex signal processing tasks such
as Sensaura 3D, 4-channel output, and hardware
wavetable synthesis. The SP core is supported by a bus
mastering PCI interface and a built-in dedicated DMA
engine with hardware scatter-gather support. These
support functions ensure extremely efficient transfer of
audio data streams to and from host-based memory
buffers, providing a system solution with maximum
performance and minimal host CPU loading.
ORDERING INFORMATION
CS4630-CM 128-pin MQFP 14x20x2.85 mm
NOV ‘99
DS445PP1
CrystalClearSoundFusion® PCI Audio Accelerator
28-Stream
DMA Controller
with Hardware
Scatter/Gather
MPU-401
MIDI Interface
PCI
Interface
Joystick
In terface
PC/PCI &
CCLS Legacy
S/PDIF In
S/PDIF Out
ZV Port
Program
ROM
Parameter
RAM
SLIMD
SP Core
Sample
RAM
Program
RAM
Coefficient
ROM
Dual Codec
AC ’97 2.1
Interface
Async. Serial
Port Interface
1
EGPIO


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