CS4281-CM

Manufacturer Part NumberCS4281-CM
DescriptionCrystal clear PCI audio interface
ManufacturerCirrus Logic, Inc.
CS4281-CM datasheet
 


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FEATURES
n
Full DOS Games Compatibility via PC/PCI, DDMA,
and CrystalClear Legacy Support
n
PCI Version 2.1 Bus Master
n
PC ’98 and PC ’99 Compliance
n
MPU-401 interface, FM Synthesizer, and Game
Port
n
Full Duplex Operation
n
Hardware Volume Control
n
®
®
Win 95
, 98 (WDM), Win NT
(WDM) Drivers
n
Advanced Power Management (PPMI)
n
Digital Docking Solution with AC ‘97 2.0 Codec
n
Support for Multi-Channel Audio Output
n
Hardware Sample Rate Converters
n
Pin-Compatible with CS4614 and CS4280-CM
PCI
PCI Bus
Interface
DS308PP4
DESCRIPTION
The CS4281 is a PCI audio controller with integrated
legacy games support suitable for desktop and note-
book PC designs. When combined with driver software
and an AC ’97 codec such as the CS4297A, this device
provides a complete high quality audio solution. Legacy
compatibility is achieved via PC-PCI, DDMA, and Crys-
4.0, Win NT 5.0
talClear Legacy Support. The product includes an
integrated FM synthesizer and Plug-and-Play interface.
In addition, the CS4281 offers hardware volume control
and power management features. WDM drivers provide
support for Windows 98
used with the CS4297A, the CS4281 is fully compliant
with Microsoft’s PC ’98 and PC ‘99 audio requirements.
In the 100-pin MQFP package, the CS4281 is pin-com-
patible with the CS4614 and CS4280-CM.
ORDERING INFORMATION
CS4281-CM 100-pin MQFP 14x20x2.72mm
CS4281-CQ 100-pin TQFP 14x14x1.4mm
Mixer SRC
DMA
Engine
Controller
Interrupt
Control
FM
I/O Register Array
MIDI &
Joystick
Support
CIRRUS LOGIC PRODUCT DATA SHEET
Copyright
Cirrus Logic, Inc. 1999
(All Rights Reserved)
CS4281
Product Data Sheet
CrystalClear™ PCI
Audio Interface
®
and Windows NT
PLL &
Clock
Control
®
. When
APR ‘99

CS4281-CM Summary of contents