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82371AB PDF даташит

Спецификация 82371AB изготовлена ​​​​«Intel Corporation» и имеет функцию, называемую «PCI-TO-ISA / IDE XCELERATOR PIIX4».

Детали детали

Номер произв 82371AB
Описание PCI-TO-ISA / IDE XCELERATOR PIIX4
Производители Intel Corporation
логотип Intel Corporation логотип 

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82371AB Даташит, Описание, Даташиты
E
82371AB PCI-TO-ISA / IDE
XCELERATOR (PIIX4)
Supported Kits for both Pentium® and
Pentium® II Microprocessors
82430TX ISA Kit
82440LX ISA/DP Kit
Multifunction PCI to ISA Bridge
Supports PCI at 30 MHz and 33 MHz
Supports PCI Rev 2.1 Specification
Supports Full ISA or Extended I/O
(EIO) Bus
Supports Full Positive Decode or
Subtractive Decode of PCI
Supports ISA and EIO at 1/4 of PCI
Frequency
Supports both Mobile and Desktop
Deep Green Environments
3.3V Operation with 5V Tolerant
Buffers
Ultra-low Power for Mobile
Environments Support
Power-On Suspend, Suspend to
RAM, Suspend to Disk, and Soft-
OFF System States
All Registers Readable and
Restorable for Proper Resume
from 0.V Suspend
Power Management Logic
Global and Local Device
Management
Suspend and Resume Logic
Supports Thermal Alarm
Support for External
Microcontroller
Full Support for Advanced
Configuration and Power Interface
(ACPI) Revision 1.0 Specification
and OS Directed Power
Management
Integrated IDE Controller
Independent Timing of up to
4 Drives
PIO Mode 4 and Bus Master IDE
Transfers up to 14 Mbytes/sec
Supports “Ultra DMA/33”
Synchronous DMA Mode Transfers
up to 33 Mbytes/sec
Integrated 16 x 32-bit Buffer for IDE
PCI Burst Transfers
Supports Glue-less “Swap-Bay”
Option with Full Electrical Isolation
Enhanced DMA Controller
Two 82C37 DMA Controllers
Supports PCI DMA with 3 PC/PCI
Channels and Distributed DMA
Protocols (Simultaneously)
Fast Type-F DMA for Reduced PCI
Bus Usage
Interrupt Controller Based on Two
82C59
15 Interrupt Support
Independently Programmable for
Edge/Level Sensitivity
Supports Optional I/O APIC
Serial Interrupt Input
Timers Based on 82C54
System Timer, Refresh Request,
Speaker Tone Output
USB
Two USB 1.0 Ports for Serial
Transfers at 12 or 1.5 Mbit/sec
Supports Legacy Keyboard and
Mouse Software with USB-based
Keyboard and Mouse
Supports UHCI Design Guide
SMBus
Host Interface Allows CPU to
Communicate Via SMBus
Slave Interface Allows External
SMBus Master to Control Resume
Events
Real-Time Clock
256-byte Battery-Back CMOS SRAM
Includes Date Alarm
Two 8-byte Lockout Ranges
Microsoft Win95* Compliant
324 mBGA Package
© INTEL CORPORATION 1997
April 1997
Order Number: 290562-001
4/9/97 2:23 PM PIIX4aDS
INTEL CONFIDENTIAL
(until publication date)









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82371AB Даташит, Описание, Даташиты
82371AB (PIIX4)
E
The 82371AB PCI ISA IDE Xcelerator (PIIX4) is a multi-function PCI device implementing a PCI-to-ISA bridge
function, a PCI IDE function, a Universal Serial Bus host/hub function, and an Enhanced Power Management
function. As a PCI-to-ISA bridge, PIIX4 integrates many common I/O functions found in ISA-based PC
systems—two 82C37 DMA Controllers, two 82C59 Interrupt Controllers, an 82C54 Timer/Counter, and a Real
Time Clock. In addition to compatible transfers, each DMA channel supports Type F transfers. PIIX4 also
contains full support for both PC/PCI and Distributed DMA protocols implementing PCI-based DMA. The
Interrupt Controller has Edge or Level sensitive programmable inputs and fully supports the use of an external
I/O Advanced Programmable Interrupt Controller (APIC) and Serial Interrupts. Chip select decoding is provided
for BIOS, Real Time Clock, Keyboard Controller, second external microcontroller, as well as two Programmable
Chip Selects. PIIX4 provides full Plug and Play compatibility. PIIX4 can be configured as a Subtractive Decode
bridge or as a Positive Decode bridge. This allows the use of a subtractive decode PCI-to-PCI bridge such as
the Intel 380FB PCIset which implements a PCI/ISA docking station environment.
PIIX4 supports two IDE connectors for up to four IDE devices providing an interface for IDE hard disks and CD
ROMs. Up to four IDE devices can be supported in Bus Master mode. PIIX4 contains support for “Ultra DMA/33”
synchronous DMA compatible devices.
PIIX4 contains a Universal Serial Bus (USB) Host Controller that is Universal Host Controller Interface (UHCI)
compatible. The Host Controller’s root hub has two programmable USB ports.
PIIX4 supports Enhanced Power Management, including full Clock Control, Device Management for up to
14 devices, and Suspend and Resume logic with Power On Suspend, Suspend to RAM or Suspend to Disk. It
fully supports Operating System Directed Power Management via the Advanced Configuration and Power
Interface (ACPI) specification. PIIX4 integrates both a System Management Bus (SMBus) Host and Slave
interface for serial communication with other devices.
Information in this document is provided in conjunction with Intel products. No license, express or implied, by estoppel or
otherwise, to any intellectual property rights is granted by this document or by the sale of Intel products. Except as provided in
Intel’s Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express
or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to fitness for a particular
purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not
intended for use in medical, life saving, or life sustaining applications.
Intel retains the right to make changes to specifications and product descriptions at any time, without notice.
The 82371AB PIIX4 may contain design defects or errors known as errata. Current characterized errata are available
on request.
Intel disclaims all liability, including liability for infringement of any proprietary rights, relating to use of information in this
specification. Intel does not warrant or represent that such use will not infringe such rights.
I2C is a two-wire communication bus/protocol developed by Philips. SMBus is a subset of the I2C bus/protocol and was
developed by Intel. Implementation of the I2C bus/protocol or the SMBus bus/protocol may require licenses from various
entities, including Philips Electronics N.V. and North American Philips Corporation.
Third-party brands and names are the property of their respective owners.
2 PRELIMINARY
4/9/97 2:23 PM PIIX4aDS
INTEL CONFIDENTIAL
(until publication date)









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82371AB Даташит, Описание, Даташиты
E
82371AB (PIIX4)
PCICLK
AD[31:0]
C/BE[3:0]#
FRAME#
TRDY#
IRDY#
STOP#
DEVSEL#
SERR#
PAR
IDSEL
PHOLD#
PHLKA#
CLKRUN#
RCIN#
PWROK
CPURST
RSTDRV
INIT
PCIRST#
IRQ0//GPO14
IRQ8#/GPI6
IRQ12/M
INTR
NMI
IRQ[15,14,11:9,7:3,1]
SERIRQ/GPI7
PRIQ[A:C]
PIRQD
IRQ9OUT#/GPO29
SMI#
STPCLK#
EXTSMI#
SLP#
SUSCLK
BATLOW#/GPI9
THRM#/GPI8
LID//GPI10
RI#/GPI12
RSMRST#
PWRBTN#
SUSA#
SUSB#/GPO15
SUSC#/GPO16
ZZ/GPO19
PCIREQ[D:A]#
SPKR
OSC
DREQ[7:5,3:0]
DACK[7:5,3:0]#
TC
REFRESH#
REQ[A:C]#/GPI[2:4]
GNT[A:C]#/GPO[9:11]
CLK48
USBPO±
USBP1±
OC[1:0]#
CONFIG[2:1]
TEST#
PCI Bus
Interface
ISA Bus
Interface
System
Reset
Interrupt
Primary
IDE
Interface
System
Power
Mgmt.
Secondary
IDE
Interface
X-Bus
Support
Logic
Timers/
Counters
DMA
Universal
Serial
Bus
Test
I/O APIC
Support
Logic
RTC
SMBUS
General
Purpose
Inputs
and
Outputs
SD[15:0]
IOCS16#
MEMCS16#
MEMR#
MEMW#
AEN
IOCHRDY
IOCHK#/GPI0
SYSCLK
BALE
IOR#
IOW#
SMEMR#
SMEMW#
ZEROWS#
SA[19:0]
LA[23:17]/GPO[7:1]
SBHE#
PDCS1#
PDCS3#
PDA[2:0]
PDD[15:0]
PDDACK#
PDDREQ
PDIOIR#
PDIOW#
PIORDY
SDCS1#
SDCS3#
SDA[2:0]
SDD[15:0]
SDDACK#
SDDREQ
SDIOR#
SDIOW#
SIORDY
PCS[1:0]#
XDIR#/GPO22
XOE#/GPO23
RTCALE/GPO25
FERR#
IGNNE#
BIOSCS#
RTCCS#/GPO24
KBCCS#/GPO26
A20M#
A20GATE
MCCS#
APICCS#/GPO13
APICACK#/GPO12
APCIREQ#/GPI5
RTCX[2:1]
SMBALERT#
SMBCLK
SMBDATA
GPI[21:13,1]
GPI[12:2,0] (Multiplexed)
GPO[30,28:27,8,0]
GPO[29,26:9,7:1] (Multiplexed)
Simplified Block Diagram
PRELIMINARY
Pix4_blk
3
4/9/97 2:23 PM PIIX4aDS
INTEL CONFIDENTIAL
(until publication date)










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Номер в каталогеОписаниеПроизводители
82371ABPCI-TO-ISA / IDE XCELERATOR PIIX4Intel Corporation
Intel Corporation

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