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PDF PC97338VLJ Data sheet ( Hoja de datos )
| Número de pieza | PC97338VLJ | |
| Descripción | ACPI 1.0 and PC98/99 Compliant SuperI/O | |
| Fabricantes | National Semiconductor | |
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November 1998
PC87338/PC97338
ACPI 1.0 and PC98/99 Compliant SuperI/O
General Description
The PC97338 is a fully ACPI 1.0 and PC98/99 com-
pliant, ISA based Super I/O. It is functionally compat-
ible with the PC87338. It includes a Floppy Disk
Controller (FDC), two Serial Communication Control-
lers (SCC) for UART and Infrared support, one
IEEE1284 compatible Parallel Port, and two general
purpose Chip Select signals for game port support.
The device supports power management as well as
3.3V and 5V mixed operation making it particularly
suitable for notebook and sub-notebook applications.
The PC87338 and PC97338 are fully compliant to the
Plug and Play specifications included in the "Hard-
ware Design Guide for Microsoft Windows 95".
Differences between the PC87338 and PC97338 are
indicated in italics. These differences are summarized
in Appendix A.
Features
s Meets ACPI 1.0 and PC98/99 requirements
s Backward compatible with PC87338
s 100% compatibility with Plug and Play require-
ments specified in the “Hardware Design Guide for
Microsoft Windows 95”, ISA, EISA, and Micro-
Channel architectures
s A special Plug and Play module includes:
— Flexible IRQs, DMAs and base addresses
— General Interrupt Requests (IRQs) that can be
multiplexed to the ten supported IRQs
Block Diagram
CS1,0
Configuration Input
Signals
Serial Interface
Serial Fast IR
Interface Interface
General
Chip Select
Configuration
Registers
SCC1
(16550 UART)
SCC2
(16550 UART +
INFRARED)
Micro-
processor
Address
Data and
Control
Interrupt
and DMA
Plug and Play
Support
Power-
Down
Logic
IEEE1284
Parallel Port
High Current Driver
Floppy
Drive
Interface
Floppy Disk
Controller (FDC)
with
Digital Data
Separator (DDS)
(Enhanced 8477)
Floppy
Drive
Interface
DMA IRQ IRQ Input
Channels
Signals
Control
Data Handshake
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
IBM®, MicroChannel®, PC-AT® and PS/2® are registered trademarks of International Business Machines Corporation.
Microsoft® and Windows® are registered trademarks of Microsoft Corporation.
© 1998 National Semiconductor Corporation
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Table of Contents
1.0 Pin Descriptions
1.1 CONNECTION DIAGRAMS ............................................................................................................. 18
1.2 SIGNAL/PIN DESCRIPTIONS .......................................................................................................... 22
2.0 Configuration
2.1 OVERVIEW ...................................................................................................................................... 36
2.2 CONFIGURATION REGISTER SETUP ........................................................................................... 36
2.2.1 Hardware Device Configuration .............................................................................................. 36
2.2.2 Software Device Configuration ................................................................................................ 38
2.2.3 Updating Configuration Registers ........................................................................................... 38
2.2.4 Reserved Bits in Configuration Registers ................................................................................ 38
2.2.5 INDEX and DATA Register Locations ..................................................................................... 38
2.2.6 Plug and Play Protocol ............................................................................................................ 39
2.3 THE CONFIGURATION REGISTERS .............................................................................................. 40
2.3.1 Configuration Register Bitmaps ............................................................................................... 41
2.3.2 Function Enable Register (FER), Index 00h ............................................................................ 45
2.3.3 Function Address Register (FAR), Index 01h .......................................................................... 47
2.3.4 Power and Test Register (PTR), Index 02h ............................................................................ 47
2.3.5 Function Control Register (FCR), Index 03h ........................................................................... 48
2.3.6 Printer Control Register (PCR), Index 04h .............................................................................. 49
2.3.7 Power Management Control Register (PMC), Index 06h ........................................................ 50
2.3.8 Tape, SCCs and Parallel Port Configuration Register (TUP), Index 07h ................................ 51
2.3.9 SuperI/O Chip Identification Register (SID), Index 08h ........................................................... 52
2.3.10 Advanced SuperI/O Chip Configuration Register (ASC), Index 09h ..................................... 52
2.3.11 Chip Select 0 Low Address Register (CS0LA), Index 0Ah .................................................... 53
2.3.12 Chip Select 0 Configuration Register (CS0CF), Index 0Bh ................................................... 53
2.3.13 Chip Select 1 Low Address Register (CS1LA), Index 0Ch .................................................... 54
2.3.14 Chip Select 1 Configuration Register (CS1CF), Index 0Dh ................................................... 54
2.3.15 Chip Select 0 High Address Register (CS0HA), Index 10h ................................................... 55
2.3.16 Chip Select 1 High Address Register (CS1HA), Index 11h ................................................... 55
2.3.17 SuperI/O Chip Configuration Register 0 (SCF0), Index 12h ................................................. 55
2.3.18 SuperI/O Chip Configuration Register 1 (SCF1), Index 18h ................................................. 56
2.3.19 Plug and Play Configuration 0 Register (PNP0), Index 1Bh ................................................. 57
2.3.20 Plug and Play Configuration 1 Register (PNP1), Index 1Ch ................................................. 58
2.3.21 SuperI/O Chip Configuration Register 2 (SCF2), Index 40h ................................................. 58
2.3.22 Plug and Play Configuration 2 Register (PNP2), Index 41h .................................................. 59
2.3.23 Parallel Port Base Address Low Byte Register (PBAL), Index 42h ....................................... 60
2.3.24 Parallel Port Base Address High Byte Register (PBAH), Index 43h ..................................... 60
2.3.25 SCC1 Base Address Low Byte Register (S1BAL), Index 44h ............................................... 61
2.3.26 SCC1 Base Address High Byte Register (S1BAH), Index 45h ............................................. 61
2.3.27 SCC2 Base Address Low Byte Register (S2BAL), Index 46h ............................................... 61
2.3.28 SCC2 Base Address High Byte Register (S2BAH), Index 47h ............................................. 62
2.3.29 FDC Base Address Low Byte Register (FBAL), Index 48h ................................................... 62
2.3.30 FDC Base Address High Byte Register (FBAH,) Index 49h .................................................. 62
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8.3 AC ELECTRICAL CHARACTERISTICS ......................................................................................... 202
8.3.1 AC Test Conditions TA = 0° C to 70° C, VDD = 5.0 V ± 10%, 3.3 V ± 10% ........................... 202
8.4 SWITCHING CHARACTERISTICS ................................................................................................ 203
8.4.1 Timing Table ......................................................................................................................... 203
8.4.2 Timing Diagrams .................................................................................................................. 207
9.0 Appendix A
COMPARISON OF PC87338 AND PC97338 ....................................................................................... 216
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