IDE XCELERATOR. 82371SB Datasheet

82371SB Datasheet PDF, Equivalent


Part Number

82371SB

Description

82371FB (PIIX) AND 82371SB (PIIX3) PCI ISA IDE XCELERATOR

Manufacture

Intel Corporation

Total Page 30 Pages
PDF Download
Download 82371SB Datasheet PDF


82371SB Datasheet
E
82371FB (PIIX) AND 82371SB (PIIX3)
PCI ISA IDE XCELERATOR
n Bridge Between the PCI Bus and ISA Bus
n PCI and ISA Master/Slave Interface
PCI from 25–33 MHz
ISA from 7.5–8.33 MHz
5 ISA Slots
n Fast IDE Interface
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
Separate Master/Slave IDE Mode
Support (PIIX3)
n 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
1 Programmable Chip Select
n Steerable PCI Interrupts for PCI Device Plug-
n-Play
n PCI Specification Revision 2.1 Compliant
(PIIX3)
n Functionality of One 82C54 Timer
System Timer; Refresh Request;
Speaker Tone Output
n Two 82C59 Interrupt Controller Functions
14 Interrupts Supported
Independently Programmable for
Edge/Level Sensitivity
n Enhanced DMA Functions
Two 8237 DMA Controllers
Fast Type F DMA
Compatible DMA Transfers
7 Independently Programmable
Channels
n X-Bus Peripheral Support
Chip Select Decode
Controls Lower X-Bus Data Byte
Transceiver
n I/O Advanced Programmable Interrupt
Controller (IOAPIC) Support (PIIX3)
n Universal Serial Bus (USB) Host Controller
(PIIX3)
Compatible with Universal Host
Controller Interface (UHCI)
Contains Root Hub with 2 USB Ports
n System Power Management (Intel SMM
Support)
Programmable System Management
Interrupt (SMI)—Hardware Events,
Software Events, EXTSMI#
Programmable CPU Clock Control
(STPCLK#)
Fast On/Off Mode
n Non-Maskable Interrupts (NMI)
PCI System Error Reporting
n NAND Tree for Board-Level ATE Testing
n 208-Pin QFP
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.
© INTEL CORPORATION 1996, 1997
April 1997
Order Number: 290550-002

82371SB Datasheet
82371FB (PIIX) AND 82371SB (PIIX3)
E
PCICLK
AD[31:0]
C/BE[3:0]#
FRAME#
TRDY#
IRDY#
STOP#
DEVSEL#
SERR#
PAR
IDSEL
PHOLD#
PHOLDA#
PIIX Only MDRQ[1:0]
(Not On PIIX3) MDAK[1:0]#
MIRQ1
MIRQ0
PWROK
CPURST
RSTDRV
INIT
IRQ8#
IRQ12/M
INTR
NMI
IRQ(15,14,11:9,7:3,1)
PIRQ[A:D]#
SMI#
STPCLK#
EXTSMI#
PCI
Bus
Interface
Mother
Board
Interface
System
Reset
PCIRST#
Interrupt
System
Power
Mgmt
ISA
Bus
Interface
M
U
X
IDE
Interface
DD14
M
U
X
SD[15:0]
IOCS16#
MEMCS16#
MEMR#
MEMW#
AEN
IOCHRDY
IOCHK#
SYSCLK
BALE
IOR#
IOW#
SMEMR#
SMEMW#
ZEROWS#
SA[7:0]
DD12/SBHE#
DD[11:0]/SA[19:8]
LA23/CS1S
LA22/CS3S
LA21/CS1P
LA20/CS3P
LA19:17]/DA[2:0]
DIOR#
DIOW#
DDRQ[1:0]
DDAK[1:0]#
IORDY
SOE#
SDIR
DD13
DD15/PCS#
SPKR
OSC
DREQ[7:5,3:0]
DACK[7:5,3:0]#
TC
REFRESH#
Timers/
Counters
DMA
X-Bus
Support
Logic
XDIR#
XOE#
RTCALE
FERR#
IGNNE#
BIOSCS#
RTCCS#
KBCS#
PIIX3 Only
(Not On PIIX)
USBCLK
USBP0
USBP1
Universial
Serial
Interface
Test
I/O APIC
Support
Logic
PIIX3 Only
(Not On PIIX)
M
U DD14 or APICCS#
X
PCIRST# or APICACK#
TESTIN#
TESTIN# or APICREQ#
Note:
blkdia.drw
1. IOAPIC signals are multiplexed with signals from the System Reset, Test, and IDE Interface blocks
2. PIRQD# is an input on the PIIX and bi-directional on PIIX3.
PIIX/PIIX3 Simplified Block Diagram
2


Features Datasheet pdf E n n n n 82371FB (PIIX) AND 82371SB (P IIX3) PCI ISA IDE XCELERATOR n Enhanced DMA Functions  Two 8237 DMA Control lers  Fast Type F DMA  Compatible DMA Transfers  7 Independently Prog rammable Channels X-Bus Peripheral Supp ort  Chip Select Decode  Controls Lower X-Bus Data Byte Transceiver I/O Advanced Programmable Interrupt Control ler (IOAPIC) Support (PIIX3) Universal Serial Bus (USB) Host Controller (PIIX3 )  Compatible with Universal Host Co ntroller Interface (UHCI)  Contains Root Hub with 2 USB Ports System Power Management (Intel SMM Support)  Prog rammable System Management Interrupt (S MI)—Hardware Events, Software Events, EXTSMI#  Programmable CPU Clock Con trol (STPCLK#)  Fast On/Off Mode Non -Maskable Interrupts (NMI)  PCI Syst em Error Reporting NAND Tree for Board- Level ATE Testing 208-Pin QFP n n n n Bridge Between the PCI Bus and ISA Bus PCI and ISA Master/Slave Interface  PCI from 25–33 MHz  ISA from 7.5–8.33 MHz  5 ISA Slots Fast IDE Interface  Supports PIO.
Keywords 82371SB, datasheet, pdf, Intel Corporation, 82371FB, PIIX, AND, 82371SB, PIIX3, PCI, ISA, IDE, XCELERATOR, 2371SB, 371SB, 71SB, 82371S, 82371, 8237, Equivalent, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute




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