82C862 Datasheet, PDF (3/51 Pages) List of Unclassifed Manufacturers – FireLink USB Dual Controller Quad Port USB

FireLink USB
®
82C862
TABLE OF CONTENTS
1.0 FEATURES ......................................................................................................................................................................1
2.0 OVERVIEW ......................................................................................................................................................................1
3.0 SIGNAL DEFINITIONS ....................................................................................................................................................3
3.1.1 Terminology/Nomenclature Conventions..............................................................................................................3
3.2 NUMERICAL PIN CROSS-REFERENCE LIST .........................................................................................................................5
3.3 SIGNAL DESCRIPTIONS ....................................................................................................................................................6
3.3.1 Clock and Reset Interface Signals .......................................................................................................................6
3.3.2 PCI Bus Interface Signals.....................................................................................................................................6
3.3.3 USB Interface Signals ..........................................................................................................................................8
3.3.4 Host Controller shared signals: PME#, SMI#, REQ#, GNT# ................................................................................9
3.3.5 Legacy and Interrupt Interface Signals.................................................................................................................9
3.3.6 Power and Ground Pins .....................................................................................................................................10
3.3.7 Strap Options .....................................................................................................................................................11
4.0 FUNCTIONAL DESCRIPTION.......................................................................................................................................13
4.1 UNIVERSAL SERIAL BUS (USB) ......................................................................................................................................13
4.2 PCI CONTROLLER.........................................................................................................................................................14
4.3 CLOCK GENERATION .....................................................................................................................................................15
4.4 POWER MANAGEMENT FEATURES...................................................................................................................................15
4.4.1 Putting FireLink into USBSuspend State ............................................................................................................15
4.4.2 Powering Down the USB I/O Cells .....................................................................................................................15
4.4.3 Stopping the 48MHz USB Clock.........................................................................................................................15
4.4.4 Using CLKRUN# ................................................................................................................................................15
4.4.5 Stopping the Internal PCI Clocks........................................................................................................................16
4.4.6 Power Control Modes .........................................................................................................................................16
4.5 HOST CONTROLLER.......................................................................................................................................................19
4.5.1 Legacy Support ..................................................................................................................................................20
4.5.2 Intercept Port 60h and 64h Accesses.................................................................................................................20
4.6 GENERAL PURPOSE PINS...............................................................................................................................................21
5.0 REGISTER DESCRIPTIONS .........................................................................................................................................23
5.1 PCICFG REGISTER SPACE ...........................................................................................................................................23
5.1.1 Programming Differences from 82C861 Component..........................................................................................23
5.1.2 PCICFG 00h-FFh ...............................................................................................................................................24
5.2 HOST CONTROLLER REGISTER SPACE ............................................................................................................................29
5.2.1 MEMOFST 00h-5Ch...........................................................................................................................................29
5.2.2 Legacy Support Registers ..................................................................................................................................39
5.2.3 MEMOFST 100h-1Fh (Legacy Support Registers).............................................................................................39
6.0 ELECTRICAL RATINGS................................................................................................................................................41
6.1 ABSOLUTE MAXIMUM RATINGS .......................................................................................................................................41
6.2 DC CHARACTERISTICS: .................................................................................................................................................41
6.3 AC CHARACTERISTICS (PRELIMINARY) ............................................................................................................................42
6.3.1 PCI Bus AC Timings...........................................................................................................................................42
6.3.2 USB AC Timings: Full Speed Source .................................................................................................................43
6.3.3 USB AC Timings: Low Speed Source ................................................................................................................44
7.0 MECHANICAL PACKAGE OUTLINES .........................................................................................................................46
8.0 NAND TREE TEST MODE.............................................................................................................................................47
912-2000-030
Revision: 1.0
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