SMSC DS – USB97C201

Page 3

Rev. 03/25/2002

PRELIMINARY

TABLE OF CONTENTS

1.0

GENERAL DESCRIPTION .................................................................................................................................. 6

2.0

PIN TABLE .......................................................................................................................................................... 7

3.0

PIN CONFIGURATION........................................................................................................................................ 8

3.1

QFP/TQFP 100 Pin ..........................................................................................................................8

4.0

BLOCK DIAGRAM .............................................................................................................................................. 9

5.0

PIN DESCRIPTIONS ......................................................................................................................................... 10

5.1

BUFFER TYPE DESCRIPTIONS...................................................................................................13

6.0

FUNCTIONAL BLOCK DESCRIPTIONS .......................................................................................................... 14

6.1

MCU ...............................................................................................................................................14

6.1.1

MCU Memory Map: Code Space ...........................................................................................14

6.1.2

MCU Memory Map: XData Space..........................................................................................15

6.1.3

MCU Block Register Summary ..............................................................................................16

6.1.4

MCU Register Descriptions....................................................................................................19

6.2

SIE Block .......................................................................................................................................42

6.2.1

Autonomous USB Protocol ....................................................................................................42

6.2.2

USB Events............................................................................................................................43

6.2.3

Standard Device Requests ....................................................................................................44

6.2.4

SIE Configurations .................................................................................................................44

6.3

IDE Controller Description...........................................................................................................44

6.3.1

IDE Configurations.................................................................................................................45

6.3.2

PIO IDE Operations ...............................................................................................................45

6.3.3

PIO IDE Data Prefetching and Posting ..................................................................................45

6.3.4

DMA Transfers.......................................................................................................................46

6.3.5

Ultra ATA/66 Synchronous DMA Operation...........................................................................46

6.3.6

Ultra ATA/66 Operation..........................................................................................................47

6.4

SRAM Buffers................................................................................................................................48

6.5

8051 Options .................................................................................................................................48

6.6

Address Multiplexing ...................................................................................................................48

6.7

SRAM Time Multiplexer Operation .............................................................................................49

6.7.1

Phase 0 (Ø0)..........................................................................................................................49

6.7.2

Phase 1 (Ø1)..........................................................................................................................49

6.7.3

Phase 2 (Ø2)..........................................................................................................................49

6.7.4

Phase 3 (Ø3)..........................................................................................................................49

6.8

EP2 SRAM Buffer Operation........................................................................................................49

6.9

EP2 Automatic Buffer Operations...............................................................................................50

6.9.1

Receive Auto-Toggle .............................................................................................................50

6.9.2

Transmit Buffer Operation .....................................................................................................51

6.9.3

Automatic Transfer Operation................................................................................................52

7.0

DC PARAMETERS............................................................................................................................................ 54

8.0

AC SPECIFICATIONS....................................................................................................................................... 56

8.1

ATA/ATAPI .....................................................................................................................................56

8.2

USB2.0 Timing ..............................................................................................................................56

9.0

PACKAGING ..................................................................................................................................................... 57

10.0

USB97C201 REVISIONS.............................................................................................................................. 59