CS4622-CQ Просмотр технического описания (PDF) - Cirrus Logic

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CS4622-CQ

CrystalClear™ SoundFusion™ PCI Audio Accelerator

Cirrus Logic 

CS4622/24

Overview

Overview

The CS4622/24 is a high performance audio accelerator DSP for the PCI bus.

This device, combined with application and driver software, provides a com-

plete system solution for cost effective acceleration of Windows DirectSound,

Direct-Sound3D, DirectInput, MIDI playback via Wavetable Synthesis with

reverberation and chorus effects processing, and more. The CS4622/24 is com-

patible with the CS4610C with the following added features:

- Primary AC ‘97 Interface now 2.0 compatible

- 2nd AC ‘97 Interface (also 2.0 compliant)

- CrystalClear Legacy Support

- PC/PCI Legacy Support

- DDMA Legacy Support

- PCI Power Management Event Support

- ZV Port Asynchronous Serial Port

- 2nd Asynchronous Serial Port

- 9 Extended GPIO pins for Modem Support

- Consumer Digital (S/PDIF) Input and Output

The CS4622 is a high-performance, full-featured version of the SoundFusion

audio accelerator. The CS4624 is a reduced-cost version of the CS4622. The

CS4624 has a lower maximum clock speed and does not support AC-3. Please

refer to the OEM Software Reference Manual for more details.

FAQs

1) What is the difference between the two devices?

A: The CS4622 offers the capability to decode Dolby Digital (AC3), and the

CS4624 does not.

2) How is the Dolby License obtained?

A: Cirrus Logic can only ship devices and software implementing Dolby

PI293PP1 JUL ‘98

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