PC97307 datasheet(8/218 Pages) NSC

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Table of Contents

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5.6.2

FDC Result Phase Status Register Bitmaps ............................................................... 85

5.7

THE FDC COMMAND SET ....................................................................................................... 86

5.7.1

Abbreviations Used in FDC Commands ...................................................................... 87

5.7.2

The CONFIGURE Command ...................................................................................... 88

5.7.3

The DUMPREG Command ......................................................................................... 88

5.7.4

The FORMAT TRACK Command ............................................................................... 89

5.7.5

The INVALID Command .............................................................................................. 92

5.7.6

The LOCK Command .................................................................................................. 92

5.7.7

The MODE Command ................................................................................................. 92

5.7.8

The NSC Command .................................................................................................... 94

5.7.9

The PERPENDICULAR MODE Command ................................................................. 94

5.7.10

The READ DATA Command ....................................................................................... 96

5.7.11

The READ DELETED DATA Command ...................................................................... 98

5.7.12

The READ ID Command ............................................................................................. 99

5.7.13

The READ A TRACK Command ............................................................................... 100

5.7.14

The RECALIBRATE Command ................................................................................. 100

5.7.15

The RELATIVE SEEK Command .............................................................................. 101

5.7.16

The SCAN EQUAL, the SCAN LOW OR EQUAL and the SCAN HIGH OR EQUAL

Commands .......................................................................................................... 101

5.7.17

The SEEK Command ................................................................................................ 102

5.7.18

The SENSE DRIVE STATUS Command .................................................................. 103

5.7.19

The SENSE INTERRUPT Command ........................................................................ 103

5.7.20

The SET TRACK Command ...................................................................................... 104

5.7.21

The SPECIFY Command .......................................................................................... 105

5.7.22

The VERIFY Command ............................................................................................. 106

5.7.23

The VERSION Command .......................................................................................... 108

5.7.24

The WRITE DATA Command .................................................................................... 108

5.7.25

The WRITE DELETED DATA Command .................................................................. 109

5.8

EXAMPLE OF A FOUR-DRIVE CIRCUIT USING THE PC87307/PC97307 ........................... 110

6.0

Parallel Port (Logical Device 4)

6.1

PARALLEL PORT CONFIGURATION .................................................................................... 111

6.1.1

Parallel Port Operation Modes .................................................................................. 111

6.1.2

Configuring Operation Modes .................................................................................... 111

6.1.3

Output Pin Protection ................................................................................................ 111

6.2

STANDARD PARALLEL PORT (SPP) MODES ...................................................................... 111

6.2.1

Standard Parallel Port (SPP) Modes Register Set .................................................... 112

6.2.2

SPP Data Register (DTR), Offset 00h ....................................................................... 112

6.2.3

Status Register (STR), Offset 01h ............................................................................. 113

6.2.4

SPP Control Register (CTR), Offset 02h ................................................................... 114

6.3

ENHANCED PARALLEL PORT (EPP) MODES ...................................................................... 115

6.3.1

Enhanced Parallel Port (EPP) Register Set .............................................................. 115

6.3.2

SPP or EPP Data Register (DTR), Offset 00h ........................................................... 115

6.3.3

SPP or EPP Status Register (STR), Offset 01h ........................................................ 115

6.3.4

SPP or EPP Control Register (CTR), Offset 02h ....................................................... 116

6.3.5

EPP Address Register (ADDR), Offset 03h ............................................................... 116

6.3.6

EPP Data Register 0 (DATA0), Offset 04h ................................................................ 116

PC97307 Datasheet(PDF) 8 Page - National Semiconductor (TI)

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