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LM4560 - Advanced PCI Audio Accelerator

Datasheet Summary

Description

LM4560 is an advanced PCI audio accelerator providing full legacy compatibility, wavetable synthesis, DirectMusic, DirectSound, and DirectSound3D on a single chip for the highperformance, cost-sensitive consumer market.

It supports Sound Blaster functionality and is fully PC98 compliant.

Features

  • and performance to the end-user. By combining PCI bus mastering for DirectSound acceleration, Hardware Wave table synthesizer, Digital Enhanced Game Port and DirectSound 3D audio acceleration. It delivers high performance, high quality audio, high-end features with efficient power management in a space-efficient 100 TQFP package. Advanced Wavetable Synthesizer n Wavetable synthesis with 64-voices polyphony, which supports all combinations of stereo/mono, 8-/16-bits, and signed/unsigned samples n.

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Datasheet Details

Part number LM4560
Manufacturer National Semiconductor
File Size 380.35 KB
Description Advanced PCI Audio Accelerator
Datasheet download datasheet LM4560 Datasheet
Additional preview pages of the LM4560 datasheet.

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Full PDF Text Transcription

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LM4560 Advanced PCI Audio Accelerator December 1998 LM4560 Advanced PCI Audio Accelerator General Description LM4560 is an advanced PCI audio accelerator providing full legacy compatibility, wavetable synthesis, DirectMusic, DirectSound, and DirectSound3D on a single chip for the highperformance, cost-sensitive consumer market. It supports Sound Blaster functionality and is fully PC98 compliant. The LM4560 integrates a 64-voice wave table engine with per voice effect processing capability. It supports the upcoming Microsoft™ DirectMusic API and is fully compatible with DLS Level 1 (downloadable samples) specification. The LM4560 is optimized for Microsoft Windows™ 98 and Windows NT5.0 WDM streaming architecture with re-routable end-point support.
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