pc87591l-n05 National Semiconductor Corporation, pc87591l-n05 Datasheet - Page 6

• Manufacturer Part Number: pc87591l-n05
• Description: Lpc Mobile Embedded Controller
• Manufacturer: National Semiconductor Corporation

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Table of Contents
Features............................................................................................................................................................. 2
Revision Record .............................................................................................................................................. 5
1.0
2.0
Introduction
1.1
1.2
1.3
1.4
1.5
Signal/Pin Description and Configuration
2.1
2.2
DOCUMENT ORGANIZATION .................................................................................................. 23
GENERAL DESCRIPTION ........................................................................................................ 23
1.2.1
1.2.2
1.2.3
INTERNAL ARCHITECTURE .................................................................................................... 25
1.3.1
1.3.2
1.3.3
1.3.4
1.3.5
1.3.6
OPERATING ENVIRONMENTS ................................................................................................ 28
1.4.1
1.4.2
1.4.3
MEMORY MAP .......................................................................................................................... 29
1.5.1
1.5.2
1.5.3
CONNECTION DIAGRAMS
BUFFER TYPES AND SIGNAL/PIN DIRECTORY .................................................................... 38
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
2.2.10
2.2.11
System Connections .................................................................................................... 23
Power Management .................................................................................................... 23
Operating Environments .............................................................................................. 25
Processing Unit ........................................................................................................... 26
Bus Interface Unit and Memory Controller (BIU) ......................................................... 26
Memory ........................................................................................................................ 26
Host-Controller Interface Modules ............................................................................... 27
Host-Controlled SuperI/O Modules and Host Interface ............................................... 28
IRE Environment ......................................................................................................... 28
OBD Environment ....................................................................................................... 29
DEV Environment ........................................................................................................ 29
Core Address Domain Memory Map ........................................................................... 29
Host Address Domain Memory Map ............................................................................ 34
Core Access to Host Controlled Peripherals ............................................................... 35
ACCESS.bus Interface ............................................................................................... 38
Analog Interface
Clocks ........................................................................................................................ 39
Core Bus Interface Unit (BIU) .................................................................................... 39
Development System Support .................................................................................... 40
General-Purpose I/O (GPIO) and Internal Keyboard Scan
Host Interface ............................................................................................................. 42
Interrupt and Wake-Up Inputs (ICU and MIWU) ......................................................... 44
Power and Ground ..................................................................................................... 44
PS/2 Interface ............................................................................................................ 45
Strap Configuration and Testing ................................................................................ 45
Peripherals ................................................................................................................. 26
Embedded Controller System Features ................................................................... 2
Host Controlled Functions Features ......................................................................... 3
Clocking, Supply and Package Information .............................................................. 3
Register Abbreviations and Access ........................................................................ 32
Accessing Base Memory ........................................................................................ 33
Accessing Expansion Memory ............................................................................... 33
Accessing I/O Expansion Space ............................................................................ 34
........................................................................................................ 39
................................................................................................ 36
6
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Revision 1.2