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CS4630 数据表(PDF) 1 Page - Cirrus Logic |
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CS4630 数据表(HTML) 1 Page - Cirrus Logic |
1 / 38 page 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 SLIMD™ DSP 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 DirectInput™ Joystick 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 CrystalClear™ SoundFusion® 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 |
类似零件编号 - CS4630 |
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类似说明 - CS4630 |
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