SMSC DS – USB97C100

Page 3

Rev. 01/03/2001

TABLE OF CONTENTS

FEATURES ................................................................................................................................................................... 1

GENERAL DESCRIPTION............................................................................................................................................ 2

PIN CONFIGURATION ................................................................................................................................................. 4

DESCRIPTION OF PIN FUNCTIONS ........................................................................................................................... 5

BUFFER TYPE DESCRIPTIONS.................................................................................................................................. 7

FUNCTIONAL DESCRIPTION...................................................................................................................................... 9

Serial Interface Engine (SIE)......................................................................................................................................... 9

Micro Controller Unit (MCU) .......................................................................................................................................... 9

SIEDMA......................................................................................................................................................................... 9

Memory Management Unit (MMU) Register Description ............................................................................................... 9

ISADMA......................................................................................................................................................................... 9

Applications ................................................................................................................................................................. 10

TYPICAL SIGNAL CONNECTIONS ............................................................................................................................ 12

MCU MEMORY MAP .................................................................................................................................................. 13

Code Space................................................................................................................................................................. 13

Data Space.................................................................................................................................................................. 13

ISADMA Memory Map ................................................................................................................................................. 13

MCU Block Register Summary.................................................................................................................................... 14

MMU Block Register Summary ................................................................................................................................... 15

SIE Block Register Summary ...................................................................................................................................... 16

MCU REGISTER DESCRIPTION................................................................................................................................ 17

MCU Runtime Registers.............................................................................................................................................. 17

FIFO Status Registers................................................................................................................................................. 20

MCU Power Management Registers ........................................................................................................................... 24

MCU ISA Interface Registers ...................................................................................................................................... 27

8237 (ISADMA) REGISTER DESCRIPTION .............................................................................................................. 30

Memory Map................................................................................................................................................................ 30

Runtime Registers....................................................................................................................................................... 31

MEMORY MANAGEMENT UNIT (MMU) REGISTER DESCRIPTION ....................................................................... 37

MMU Interface Registers............................................................................................................................................. 37

MMU FREE PAGES REGISTER................................................................................................................................. 40

16 BYTE DEEP TX COMPLETION FIFO REGISTER ................................................................................................ 40

TX FIFO POP REGISTER........................................................................................................................................... 41

SERIAL INTERFACE ENGINE (SIE) REGISTER DESCRIPTION ............................................................................. 45

Packet Header Definition............................................................................................................................................. 45

SIE Interface Registers ............................................................................................................................................... 46

DC PARAMETERS ..................................................................................................................................................... 51

USB PARAMETERS ................................................................................................................................................... 53

USB DC PARAMETERS ............................................................................................................................................. 53

USB AC PARAMETERS.............................................................................................................................................. 54

MECHANICAL OUTLINE............................................................................................................................................ 63

USB97C100 REVISIONS............................................................................................................................................ 64