VT82C686B Electronic IC Chips PCI Super-I/O Integrated Peripheral Controller

VT82C686B PSIPC

PCI SUPER-I/O INTEGRATED PERIPHERAL CONTROLLER

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

  − Combine with VT82C598 for a complete Super-7 (66/75/83/100MHz)

     PCI / AGP / ISA system (Apollo MVP3)

  − Combine with VT8501 for a complete Super-7 system with integrated 2D / 3D graphics (Apollo MVP4)

  − Combine with VT82C693 for a complete 66 / 100 / 133 MHz Socket-370 or Slot-1 system

     (Apollo Pro133)

  − Combine with VT8601 for a complete 66 / 100 / 133 MHz Socket-370 or Slot-1 system

     with integrated 2D / 3D graphics (Apollo ProMedia)

  − Inter-operable with Intel or other Host-to-PCI bridges for a complete PC99 compliant

     PCI / AGP / ISA system

• 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 four function ports

  − Integrated UltraDMA-33/66/100 master mode EIDE controller with enhanced PCI bus commands

  − PCI-2.2 compliant with delay transaction and remote power management

  − 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

  − Serial interrupt for docking and non-docking applications

  − Fast reset and Gate A20 operation

  − Edge trigger or level sensitive interrupt

  − Flash EPROM, 4Mb EPROM and combined BIOS support

  − Supports positive and subtractive decoding

• UltraDMA-33 / 66 / 100 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

  − Increased reliability using UltraDMA-66 transfer protocols

  − Increased performance using UltraDMA-100 mode 5

  − 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

• Integrated Super IO Controller

  − Supports 2 serial ports, IR port, parallel port, and floppy disk controller functions

  − Two UARTs for Complete Serial Ports

     Programmable character lengths (5,6,7,8)

     Even, odd, stick or no parity bit generation and detection

     Programmable baud rate generator

     High speed baud rate (230Kbps, 460Kbps) support

     Independent transmit/receiver FIFOs

     Modem Control

     Plug and play with 96 base IO address and 12 IRQ options

  − Infrared-IrDA (HPSIR) and ASK (Amplitude Shift Keyed) IR port multiplexed on COM2

  − Multi-mode parallel port

     Standard mode, ECP and EPP support

     Plug and play with 192 base IO address, 12 IRQ and 4 DMA options

  − Floppy Disk Controller

     16 bytes of FIFO

     Data rates up to 1Mbps

     Perpendicular recording driver support

     Two FDDs with drive swap support

     Plug and play with 48 base IO address, 12 IRQ and 4 DMA options

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

  − Dual full-duplex Direct Sound channels between system memory and AC97 link

  − PCI master interface with scatter / gather and bursting capability

  − 32 byte FIFO of each direct sound channel

  − Host based sample rate converter and mixer

  − Standard v1.0 or v2.0 AC97 Codec interface for single or cascaded AC97 Codec’s

     from multiple vendors

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

  − Hardware SoundBlaster Pro for Windows DOS box and real-mode DOS 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

• Voltage, Temperature, Fan Speed Monitor and Controller

  − Five positive voltage (one internal), three temperature (one internal) and two fan-speed monitoring

  − Programmable control, status, monitor and alarm for flexible desktop management

  − External thermister or internal bandgap temperature sensing

  − Automatic clock throttling with integrated temperature sensing

  − Internal core VCC voltage sensing

  − Flexible external voltage sensing arrangement (any positive supply and battery)

• 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

  − Host interface for processor communications

  − Slave interface for external SMBus masters

• Sophisticated PC99-Compatible Mobile Power Management

  − Supports both ACPI (Advanced Configuration and Power Interface) and legacy (APM)

     power management

  − ACPI v1.0 Compliant

  − APM v1.2 Compliant

  − CPU clock throttling and clock stop control for complete ACPI C0 to C3 state support

  − PCI bus clock run, Power Management Enable (PME) control, and PCI/CPU clock generator

     stop control

  − Supports multiple system suspend types: power-on suspends with flexible CPU/PCI bus reset

     options, suspend to DRAM, and suspend to disk (soft-off), all with hardware automatic wake-up

  − Multiple suspend power plane controls and suspend status indicators

  − One idle timer, one peripheral timer and one general purpose timer, plus 24/32-bit ACPI

     compliant timer

  − Normal, doze, sleep, suspend and conserve modes

  − Global and local device power control

  − System event monitoring with two event classes

  − Primary and secondary interrupt differentiation for individual channels

  − Dedicated input pins for power and sleep buttons, external modem ring indicator, and notebook

     lid open/close for system wake-up

  − Up to 12 general purpose input ports and 23 output ports

  − Multiple internal and external SMI sources for flexible power management models

  − One programmable chip select and one microcontroller chip select

  − Enhanced integrated real time clock (RTC) with date alarm, month alarm, and century field

  − Thermal alarm on either external or any combination of three internal temperature sensing circuits

  − Hot docking support

  − I/O pad leakage control

• Plug and Play Controller

  − PCI interrupts steerable to any interrupt channel

  − Steerable interrupts for integrated peripheral controllers: USB, floppy, serial, parallel,

     audio, soundblaster, MIDI

  − Steerable DMA channels for integrated floppy, parallel, and soundblaster pro controllers

  − One additional steerable interrupt channel for on-board plug and play devices

  − Microsoft Windows 98^TM, Windows NT^TM, Windows 95^TM and plug and play BIOS compliant

• Integrated I/O APIC (Advanced Peripheral Interrupt Controller)

• Built-in NAND-tree pin scan test capability

• 0.35um, 3.3V, low power CMOS process

• Single chip 27x27 mm, 352 pin BGA

Absolute Maximum Ratings

Note: Stress above the conditions listed may cause permanent damage to the device. Functional operation of this device should be restricted to the conditions described under operating conditions.

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