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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
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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