PC97338 datasheet(7/221 Pages) NSC

Part #	PC97338

Description	ACPI 1.0 and PC98/99 Compliant SuperI/O

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Manufacturer	NSC [National Semiconductor (TI)]

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3.6.2 The CONFIGURE Command .................................................................................................. 94

3.6.3 The DUMPREG Command ..................................................................................................... 95

3.6.4 The FORMAT TRACK Command ........................................................................................... 96

3.6.5 The INVALID Command ......................................................................................................... 99

3.6.6 The LOCK Command ............................................................................................................ 100

3.6.7 The MODE Command ........................................................................................................... 100

3.6.8 The NSC Command .............................................................................................................. 103

3.6.9 The PERPENDICULAR MODE Command ........................................................................... 103

3.6.10 The READ DATA Command ............................................................................................... 105

3.6.11 The READ DELETED DATA Command ............................................................................. 108

3.6.12 The READ ID Command ..................................................................................................... 109

3.6.13 The READ A TRACK Command ......................................................................................... 110

3.6.14 The RECALIBRATE Command ........................................................................................... 110

3.6.15 The RELATIVE SEEK Command ........................................................................................ 111

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

OR EQUAL Commands ...................................................................................................... 112

3.6.17 The SEEK Command .......................................................................................................... 113

3.6.18 The SENSE DRIVE STATUS Command ............................................................................ 114

3.6.19 The SENSE INTERRUPT Command .................................................................................. 114

3.6.20 The SET TRACK Command ............................................................................................... 115

3.6.21 The SPECIFY Command .................................................................................................... 116

3.6.22 The VERIFY Command ...................................................................................................... 118

3.6.23 The VERSION Command ................................................................................................... 119

3.6.24 The WRITE DATA Command ............................................................................................. 120

3.6.25 The WRITE DELETED DATA Command ............................................................................ 121

3.7 EXAMPLE OF A FOUR-DRIVE CIRCUIT USING THE PC87338/PC97338 .................................. 121

4.0 Parallel Port

4.1 INTRODUCTION ............................................................................................................................ 123

4.1.1 The Chip Parallel Port Modes ............................................................................................... 123

4.1.2 Device Configuration ............................................................................................................. 123

4.2 STANDARD PARALLEL PORT MODES ........................................................................................ 123

4.2.1 Standard Parallel Port (SPP) Modes Register Set ................................................................ 124

4.2.2 SPP Mode Parallel Port Register Bitmaps ............................................................................ 124

4.2.3 Data Register (DTR), Offset 0 ............................................................................................... 124

4.2.4 Status Register (STR), Offset 1 ............................................................................................. 125

4.2.5 Control Register (CTR), Offset 2 ........................................................................................... 126

4.3 ENHANCED PARALLEL PORT (EPP) MODES ............................................................................. 127

4.3.1 Enhanced Parallel Port (EPP) Modes Register Set .............................................................. 128

4.3.2 EPP Modes Parallel Port Register Bitmaps .......................................................................... 128

4.3.3 SPP or EPP Data Register (DTR), Offset 0 .......................................................................... 129

4.3.4 SPP or EPP Status Register (STR), Offset 1 ........................................................................ 129

4.3.5 SPP or EPP Control Register (CTR), Offset 2 ...................................................................... 129

4.3.6 EPP Address Register, Offset 3 ............................................................................................ 130

4.3.7 EPP Data Port 0, Offset 4 ..................................................................................................... 130

4.3.8 EPP Data Port 1, Offset 5 ..................................................................................................... 130

4.3.9 EPP Data Port 2, Offset 6 ..................................................................................................... 130

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