Product specifications

VT8237R Data Sheet
Revision 2.06 December 15, 2004 -2- Product Features
• UltraDMA-133 / 100 / 66 / 33 Master Mode EIDE (Parallel ATA) Controller
− Dual channel master mode hard disk controller supporting four Enhanced IDE devices
− Transfer rate up to 133MB/sec to cover PIO mode 4, multi-word DMA mode 2 drives, and UltraDMA-133 interface
− Increased reliability using UltraDMA-133/100/66 transfer protocols
− Thirty-two levels (doublewords) of prefetch and write buffers
− Dual DMA engine for concurrent dual channel operation
− Bus master programming interface for SFF-8038i rev.1.0 and Windows-95 compliant
− Full scatter gather capability
− Support ATAPI compliant devices including DVD devices
− Support PCI native and ATA compatibility modes
− Complete software driver support
• Dual Channel Serial ATA / RAID Controller
− Complies with Serial ATA Specification Revision 1.0
− Dual Channel master mode PCI
− On-chip two-channel Serial ATA (S-ATA) PHY for support of up to two S-ATA devices directly
− Supports optional external S-ATA PHY on P-ATA secondary port for support of two additional S-ATA devices
− Primary P-ATA port can support two P-ATA devices (master and slave) along with two S-ATA devices on the P-
ATA secondary port (with external S-ATA PHY) plus two more S-ATA devices on the direct S-ATA interface
− S-ATA devices can be configured in multiple RAID configurations – supports RAID Level 0, RAID Level 1, RAID
Level 0+1 and JBOD
− S-ATA drive transfer rate is capable of up to 150 MB/s per channel (serial speed of 1.5 Gbit/s)
− External Crystal input for Serial ATA port operation
• Fast Ethernet Controller
− High performance PCI master interface with scatter / gather and bursting capability
− Standard MII interface to external PHYceiver
− 1 / 10 / 100 MHz full and half duplex operation
− Independent 2K byte FIFOs for receive and transmit
− Flexible dynamically loadable EEPROM algorithm
− Physical, Broadcast, and Multicast address filtering using hashing function
− Magic packet and wake-on-address filtering
− Software controllable power down
• Universal Serial Bus Controller
− USB v2.0 and Enhanced Host Controller Interface (EHCI) v1.0 compatible
− USB v1.1 and Universal Host Controller Interface (UHCI) v1.1 compatible
− Four root hubs and eight functional ports
− Integrated physical layer transceivers with optional over-current detection status on USB inputs
− Port 0 support of direct communication via built-in device controller
− Eighteen level (doublewords) data FIFO with full scatter and gather capability
− Legacy keyboard and PS/2 mouse support
• Direct Sound Ready AC97 Digital Audio Controller
−
AC-Link access to 4 CODECs (AC97 + AMC97 + MC97)
− Multichannel Audio
− Bus Master Scatter / Gather DMA
− Dedicated read and write channels supporting simultaneous stereo playback and record
− Dedicated read and write channels supporting simultaneous modem receive and transmit
− 1 stereo DirectSound channel with source / volume control / mixer
− 1 shared FM / SPDIF PCM read channel
− 1 dedicated channel supporting multi-channel audio
− 32-byte line-bufers for each SGD channel
− Programmable 8bit / 16bit mono / stereo PCM data format support
− AC97 2.2 compliant