VT8231 datasheet(9/132 Pages) ETC

9 / 132 page

VT8231

Preliminary Revision 0.8 October 29, 1999

-3-

Features

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• SoundBlaster Pro Hardware and Direct Sound Ready AC97 Digital Audio Controller

− Up to six concurrent AC97 output channels for six-speaker surround sound experience

− Multiple Direct Sound channels between system memory and AC97 link

10 Direct Sound output channels

4 Direct Sound input channels

8-channel hardware sample-rate-converter / mixer

1 Surround Sound channel of up to six data streams

− PCI bus master interface with scatter / gather and bursting capability

− 32 byte FIFO for each direct sound channel

− Host based wave table synthesis

− Standard v1.03 or v2.1 AC97 Codec interface with up to four AC97 codec’s from multiple vendors

− Loopback capability for re-directing mixed audio streams into USB and 1394 speakers

− Hardware SoundBlaster Pro for legacy compatibility

− Plug and play with 4 IRQ, 4 DMA, and 4 I/O space options for SoundBlaster Pro and MIDI hardware

− Hardware assisted FM synthesis for legacy compatibility

− Direct two game ports and one MIDI port interface

− Complete software driver support for Windows-95 / 98 / 2000 and Windows-NT

• MC97 HSP Modem Controller

− PCI bus master interface with scatter / gather and burst capability

− Standard AC97 codec interface for MC or AMC codec

− Wake on ring in APM or ACPI mode through AC97 link

− Supported by most HSP modem vendors

• Universal Serial Bus Controller

− USB v.1.1 and Intel Universal HCI v.1.1 compatible

− Eighteen level (doublewords) data FIFO with full scatter and gather capability

− Root hub and four function ports

− Integrated physical layer transceivers with optional over-current detection status on USB inputs

− Legacy keyboard and PS/2 mouse support

• System Management Bus Interface

− One master / slave SMBus and one slave-only SMBus

− Host interface for processor communications

− Slave interface for external SMBus masters

VT8231 Datasheet(PDF) 9 Page - List of Unclassifed Manufacturers