FDC37N869 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37N869

5V and 3.3V Super I/O Controller with Infrared Support for Portable Applications

SMSC -> Microchip 

TABLE OF CONTENTS

GENERAL DESCRIPTION ...................................................................................................................3

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

PIN DESCRIPTION .............................................................................................................................9

BUFFER TYPE PER PIN..................................................................................................................9

BUFFER TYPE SUMMARY .................................................................................................................... 15

OUTPUT DRIVERS.............................................................................................................................. 15

FUNCTIONAL DESCRIPTION............................................................................................................ 17

HOST PROCESSOR INTERFACE............................................................................................................. 17

FLOPPY DISK CONTROLLER........................................................................................................... 17

MODES OF OPERATION...................................................................................................................... 17

Floppy Modes........................................................................................................................... 17

Interface Modes......................................................................................................................... 18

FLOPPY DISK CONTROLLER INTERNAL REGISTERS .................................................................................... 18

STATUS REGISTER A (SRA)..................................................................................................... 18

STATUS REGISTER B (SRB) ..................................................................................................... 21

DIGITAL OUTPUT REGISTER (DOR)........................................................................................... 23

TAPE DRIVE REGISTER (TDR) .................................................................................................. 24

MAIN STATUS REGISTER (MSR) .............................................................................................. 25

DATA RATE SELECT REGISTER (DSR) .................................................................................... 26

DATA REGISTER (FIFO)............................................................................................................ 29

DIGITAL INPUT REGISTER (DIR) ................................................................................................ 29

CONFIGURATION CONTROL REGISTER (CCR) .......................................................................... 31

STATUS REGISTER ENCODING.............................................................................................................. 32

RESET............................................................................................................................................ 33

RESET Pin (Hardware Reset) ..................................................................................................... 34

DOR Reset vs. DSR Reset (Software Reset)................................................................................. 34

DMA TRANSFERS............................................................................................................................. 34

CONTROLLER PHASES ....................................................................................................................... 34

Command Phase........................................................................................................................ 34

Execution Phase ....................................................................................................................... 34

Result Phase ............................................................................................................................. 35

COMMAND SET/DESCRIPTIONS ............................................................................................................. 36

INSTRUCTION SET.............................................................................................................................. 38

DATA TRANSFER COMMANDS .............................................................................................................. 46

Read Data ................................................................................................................................. 46

Read Deleted Data..................................................................................................................... 48

Read A Track ............................................................................................................................ 48

Write Data................................................................................................................................. 49

Write Deleted Data .................................................................................................................... 50

Verify......................................................................................................................................... 50

Format A Track......................................................................................................................... 51

CONTROL COMMANDS ....................................................................................................................... 52

Read ID..................................................................................................................................... 52

Recalibrate................................................................................................................................ 52

Seek ......................................................................................................................................... 53

Sense Interrupt Status ................................................................................................................ 53

Sense Drive Status.................................................................................................................... 54

Specify ..................................................................................................................................... 54

SMSC DS – FDC37N869

Page 4

Rev. 11/09/2000

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