參數(shù)資料
型號(hào)： VT82C586B
廠商： Electronic Theatre Controls, Inc.
英文描述： PCI INTEGRATED PERIPHERAL CONTROLLER
中文描述： 整合的周邊控制器的PCI
文件頁(yè)數(shù)： 9/69頁(yè)
文件大?。?/td> 393K
代理商： VT82C586B
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VT82C586B
Revision 1.0
May 13, 1997
-3-
Overview
O
VERVIEW
The VT82C586B PIPC (PCI Integrated Peripheral Controller) is a high integration, high performance and high compatibility
device that supports Intel and non-Intel based processor to PCI bus bridge functionality to make a complete Microsoft PC97-
compliant PCI/ISA system. In addition to complete ISA extension bus functionality, the VT82C586B includes standard intelligent
peripheral controllers:
a) Master mode enhanced IDE controller with dual channel DMA engine and interlaced dual channel commands. Dedicated
FIFO coupled with scatter and gather master mode operation allows high performance transfers between PCI and IDE
devices. In addition to standard PIO and DMA mode operation, the VT82C586B also supports the emerging UltraDMA-33
standard to allow reliable data transfer rates up to 33MB/sec throughput. The IDE controller is SFF-8038i v1.0 and
Microsoft Windows-95 compliant.
b) Universal Serial Bus controller that is USB v1.0 and Universal HCI v1.1 compliant. The VT82C586B includes the root hub
with two function ports with integrated physical layer transceivers. The USB controller allows hot plug and play and
isochronous peripherals to be inserted into the system with universal driver support. The controller also implements legacy
keyboard and mouse support so that legacy software can run transparently in a non-USB-aware operating system
environment.
c) Keyboard controller with PS2 mouse support.
d) Real Time Clock with 256 byte extended CMOS. In addition to the standard ISA RTC functionality, the integrated RTC also
includes the date alarm and other enhancements for compatibility with the ACPI standard.
e) Notebook-class power management functionality that is compliant with ACPI and legacy APM requirements. Two types of
sleep states (soft-off and power-on-suspend) are supported with hardware automatic wake-up. Additional functionality
includes event monitoring, CPU clock throttling (Intel processor protocol), modular power control, hardware- and software-
based event handling, general purpose IO, chip select and external SMI.
f) Distributed DMA capability for support of ISA legacy DMA over the PCI bus.
g) Plug and Play controller that allows complete steerability of all PCI interrupts to any interrupt channel. Three additional
steerable interrupt channels are provided to allow plug and play and reconfigurability of on-board peripherals for Windows
95 compliance.
h) External IOAPIC support for Intel-compliant symmetrical multiprocessor systems.
The VT82C586B also enhances the functionality of the standard ISA peripherals. The integrated interrupt controller supports both
edge and level triggered interrupts channel by channel. The integrated DMA controller supports type F DMA in addition to
standard ISA DMA modes. Compliant with the PCI-2.1 specification, the VT82C586B supports delayed transactions so that
slower ISA peripherals do not block the traffic of the PCI bus. Special circuitry is built in to allow concurrent operation without
causing dead lock even in a PCI-to-PCI bridge environment The chip also includes eight levels (doublewords) of line buffers from
the PCI bus to the ISA bus to further enhance overall system performance.
CPU / Cache
CA
CD
PCI
MD
MA/RAS/CAS
I2C (Module ID)
USB
KBC
IDE
GPIO, Power Control, Reset
ISA
North Bridge
208PQFP
VT82C586B
System Memory
Sideband Signals:
Init / CPUreset
IRQ / NMI
SMI / StopClk
FERR / IGNNE
RTC
Crystal
Boot ROM
Expansion
Cards
Figure 1. PC System Configuration Using the VT82C586B
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