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CS4614-CM Datasheet

  • CS4614-CM

  • Cirrus Logic [CrystalClear SoundFusion PCI Audio Accelerato...

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  • CIRRUS

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CS4614
Preliminary Product Bulletin
FEATURES
s
255 MIPs SLIMD
鈩?/div>
DSP Architecture
s
DirectX
鈩?/div>
5.0 3D Positional Audio
s
Fat Labs Approved 64-Voice Wavetable Synthesis
with Effects
s
NetMeeting
鈩?/div>
AEC Hardware Acceleration
s
High Quality Hardware Sample Rate Conversion
(90+ dB Dynamic Range)
s
PC/PCI Legacy Support
s
DDMA Legacy Support
s
CrystalClear Legacy Support (CCLS
鈩?/div>
)
s
PCI 2.1 Compliant PCI Interface
s
96 Stream DMA Interface with Hardware Scat-
ter/Gather Support
s
PCI Power Management (D0 through D3 Hot),
APM 1.2, and ACPI 1.0 Support
s
AC 鈥?7 2.0 Link Codec Interface
s
DirectInput
鈩?/div>
Joystick Interface
s
MPU-401 MIDI Input/Output Interface
s
3.3 V Power Supply (5 V tolerant I/O)
CrystalClear鈩?/div>
SoundFusion鈩?PCI Audio
Accelerator
DESCRIPTION
The CS4614 is a high performance pin-compatible
upgrade to the 100-pin CS4610/11 PCI audio ac-
celerator. With the added legacy compatibility
modes, the CS4614 enables real mode DOS com-
patible PCI-only audio subsystems. This device,
combined with application and driver software,
provides a complete system solution for hardware
acceleration of Windows 95
庐
DirectSound
庐
,
DirectSound3D
庐
, DirectInput, and Wavetable Syn-
thesis. WDM drivers provide support for both
Windows 98 and Windows NT 5.0.
The CS4614 is based on the Cirrus Logic Crystal-
Clear Stream Processor (SP) DSP core. The SP
core is optimized for digital audio processing, and
is powerful enough to handle complex signal pro-
cessing tasks with ease. 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.
The all-digital CS4614 supports a variety of audio
I/O configurations including direct connection to
the CrystalClear CS4297 AC 鈥?7 Codec.
PC/PCI, DDMA, and CrystalClear Legacy support
provide PCI-only legacy games compatibility.
ORDERING INFORMATION
CS4614-CM 100-pin MQFP 20x14x3.07 mm
CIRRUS LOGIC PRELIMINARY PRODUCT BULLETIN JUNE 30, 5:03 PM
DS292PP3
Copyright
漏
Cirrus Logic, Inc. 1998
(All Rights Reserved)
JUN 鈥?8

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