Datasheet > SB82371

SB82371

更新时间： 2024-10-30 22:39:23

品牌	Logo	应用领域
英特尔 - INTEL		PC
页数	文件大小	规格书
122页	743K
描述
82371FB (PIIX) AND 82371SB (PIIX3) PCI ISA IDE XCELERATOR

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中文翻译

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SB82371 数据手册

82371FB (PIIX) AND 82371SB (PIIX3)

PCI ISA IDE XCELERATOR

Bridge Between the PCI Bus and ISA Bus

PCI and ISA Master/Slave Interface

Enhanced DMA Functions

Two 8237 DMA Controllers

Fast Type F DMA

PCI from 25–33 MHz

ISA from 7.5–8.33 MHz

5 ISA Slots

Compatible DMA Transfers

7 Independently Programmable

Channels

Fast IDE Interface

X-Bus Peripheral Support

Chip Select Decode

Supports PIO and Bus Master IDE

Supports up to Mode 4 Timings

Transfer Rates to 22 MB/Sec

8 x 32-Bit Buffer for Bus Master IDE PCI

Burst Transfers

Controls Lower X-Bus Data Byte

Transceiver

I/O Advanced Programmable Interrupt

Controller (IOAPIC) Support (PIIX3)

Separate Master/Slave IDE Mode

Support (PIIX3)

Universal Serial Bus (USB) Host Controller

(PIIX3)

Plug-n-Play Port for Motherboard Devices

2 Steerable DMA Channels (PIIX Only)

Fast DMA with 4-Byte Buffer (PIIX Only)

2 Steerable Interrupts Lines on the PIIX

and 1 Steerable Interrupt Line on the

PIIX3

Compatible with Universal Host

Controller Interface (UHCI)

Contains Root Hub with 2 USB Ports

System Power Management (Intel SMM

Support)

1 Programmable Chip Select

Programmable System Management

Interrupt (SMI)—Hardware Events,

Software Events, EXTSMI#

Programmable CPU Clock Control

(STPCLK#)

Steerable PCI Interrupts for PCI Device Plug-

n-Play

PCI Specification Revision 2.1 Compliant

(PIIX3)

Fast On/Off Mode

Functionality of One 82C54 Timer

System Timer; Refresh Request;

Speaker Tone Output

Non-Maskable Interrupts (NMI)

PCI System Error Reporting

NAND Tree for Board-Level ATE Testing

208-Pin QFP

Two 82C59 Interrupt Controller Functions

14 Interrupts Supported

Independently Programmable for

Edge/Level Sensitivity

The 82371FB (PIIX) and 82371SB (PIIX3) PCI ISA IDE Xcelerators are multi-function PCI devices

implementing a PCI-to-ISA bridge function and an PCI IDE function. In addition, the PIIX3 implements a

Universal Serial Bus host/hub function. As a PCI-to-ISA bridge, the PIIX/PIIX3 integrates many common I/O

functions found in ISA-based PC systems—a seven-channel DMA controller, two 82C59 interrupt controllers,

an 8254 timer/counter, and power management support. In addition to compatible transfers, each DMA

channel supports type F transfers. Chip select decoding is provided for BIOS, real time clock, and keyboard

controller. Edge/Level interrupts and interrupt steering are supported for PCI plug and play compatibility. The

PIIX/PIIX3 supports two IDE connectors for up to four IDE devices providing an interface for IDE hard disks

and CD ROMs. The PIIX/PIIX3 provides motherboard plug and play compatibility. PIIX implements two

steerable DMA channels (including type F transfers) and up to two steerable interrupt lines. PIIX3 implements

one steerable interrupt line. The interrupt lines can be routed to any of the available ISA interrupts. Both

PIIX/PIIX3 implement a programmable chip select.

PIIX3 contains a Universal Serial Bus (USB) Host Controller that is UHCI compatible. The Host Controller’s

root hub has two programmable USB ports. PIIX3 also provides support for an external IOAPIC.

This document describes the PIIX3 Component. Unshaded areas describe the 82371FB PIIX. Shaded areas,

like this one, describe the PIIX3 operations that differ from the 82371FB PIIX.

April 1997

Order Number: 290550-002

12 3 4 5 6 7...122

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与SB82371相关器件

型号	品牌	获取价格	描述	数据表
SB82371FB	ROCHESTER	获取价格	ISA BUS CONTROLLER, PQFP208, QFP-208
SB82371MX	INTEL	获取价格	Micro Peripheral IC, PQFP176,
SB82371SB	INTEL	获取价格	ISA Bus Controller, MOS, PQFP208, QFP-208
SB82374EB	INTEL	获取价格	EISA Bus Controller, CMOS, PQFP208, QFP-208
SB82374SB	INTEL	获取价格	EISA Bus Controller, CMOS, PQFP208, QFP-208
SB82375EB	INTEL	获取价格	EISA Bus Controller, MOS, PQFP208, QFP-208
SB82378ZB	INTEL	获取价格	ISA Bus Controller, MOS, PQFP208, QFP-208
SB824075KT9	VISHAY	获取价格	CAPACITOR, TANTALUM, SOLID, POLARIZED, 75 V, 0.82 uF, THROUGH HOLE MOUNT, AXIAL LEADED
SB82425EX	INTEL	获取价格	PCI Bus Controller, MOS, PQFP208, QFP-208
SB82434NX	INTEL	获取价格	DRAM Controller, 512M X 8, MOS, PQFP208, QFP-208

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