VT82C596 datasheet(4/6 Pages) ETC

4 / 6 page

VT82C596A

Revision 1.1 December 9, 1998

-1-

Features

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VT82C596 MPIPC

MOBILE PCI INTEGRATED PERIPHERAL CONTROLLER

PC98 COMPLIANT PCI-TO-ISA BRIDGE

WITH

ACPI, ENHANCED POWER MANAGEMENT, SMBUS,

DISTRIBUTED DMA, SERIAL IRQ, PLUG AND PLAY,

ULTRADMA-33 MASTER MODE PCI-EIDE CONTROLLER,

USB CONTROLLER, KEYBOARD CONTROLLER, AND RTC

IN A

PIIX4 PIN COMPATIBLE BGA PACKAGE

• Inter-operable with VIA and other Host-to-PCI Bridges

− Combine with VT82C597 for a complete 66MHz Socket-7 PCI / AGP / ISA system (Apollo VP3)

− Combine with VT82C598 for a complete 66 / 75 / 83 / 100MHz Socket-7 PCI / AGP / ISA system (Apollo MVP3)

− Combine with VT82C691 for a complete Socket-8 or Slot-1 PCI / ISA system (Apollo Pro)

− Inter-operable with Intel or other Host-to-PCI bridges for a complete PC97 compliant PCI / AGP / ISA system

• Pin-compatible upgrade for PIIX4 for existing designs

• PC98 Compliant PCI to ISA Bridge

− Integrated ISA Bus Controller with integrated DMA, timer, and interrupt controller

− Integrated Keyboard Controller with PS2 mouse support

− Integrated DS12885-style Real Time Clock with extended 256 byte CMOS RAM and Day/Month Alarm for ACPI

− Integrated USB Controller with root hub and two function ports

− Integrated UltraDMA-33 master mode EIDE controller with enhanced PCI bus commands

− PCI-2.1 compliant with delay transaction

− Eight double-word line buffer between PCI and ISA bus

− One level of PCI to ISA post-write buffer

− Supports type F DMA transfers

− Distributed DMA support for ISA legacy DMA across the PCI bus

− Sideband signal support for PC/PCI and serial interrupt for docking and non-docking applications

− Fast reset and Gate A20 operation

− Edge trigger or level sensitive interrupt

− Flash EPROM, 2Mb EPROM and combined BIOS support

− Supports positive and subtractive decoding

− Supports external APIC interface for symmetrical multiprocessor configurations

• UltraDMA-33 Master Mode PCI EIDE Controller

− Dual channel master mode PCI supporting four Enhanced IDE devices

− Transfer rate up to 33MB/sec to cover PIO mode 4, multi-word DMA mode 2 drives, and UltraDMA-33 interface

− 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

− Supports glue-less “Swap-Bay” option with full electrical isolation

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