pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 6

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

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Table of Contents
1.0 Introduction
2.0 Signal/Pin Description and Configuration
1.1
1.2
1.3
1.4
1.5
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 ................................................................................................ 29
1.4.1
1.4.2
1.4.3
1.4.4
MEMORY MAP .......................................................................................................................... 30
1.5.1
1.5.2
1.5.3
CONNECTION DIAGRAMS ...................................................................................................... 39
BUFFER TYPES AND SIGNAL/PIN DIRECTORY .................................................................... 41
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
On-Chip Memory ......................................................................................................... 26
Peripherals .................................................................................................................. 27
Host-Controller Interface Modules ............................................................................... 28
Host-Controlled SuperI/O Modules and Host Interface ............................................... 29
IRE Environment ......................................................................................................... 29
OBD Environment ........................................................................................................ 30
DEV Environment ........................................................................................................ 30
PROG Environment ..................................................................................................... 30
Core Address Domain Memory Map ........................................................................... 33
Host Address Domain Memory Map ............................................................................ 38
Core Access to Host Controlled Peripherals ............................................................... 38
ACCESS.bus (ACB1 and ACB2) Interface .................................................................. 42
Analog Interface .......................................................................................................... 42
Clocks .......................................................................................................................... 42
Core Bus Interface Unit (BIU) ...................................................................................... 43
Development System Support ..................................................................................... 44
General-Purpose I/O (GPIO) and Internal Keyboard Scan ......................................... 45
Host Interface .............................................................................................................. 48
Interrupt and Wake-Up Inputs (ICU and MIWU) .......................................................... 49
Power and Ground ...................................................................................................... 49
PS/2 Interface .............................................................................................................. 50
Strap Configuration ...................................................................................................... 50
Embedded Controller System Features ................................................................. 2
Host Controlled Functions Features ...................................................................... 3
Clocking, Supply and Package Information ........................................................... 4
Revision Record .................................................................................................... 5
Register Abbreviations and Access ..................................................................... 34
Accessing Base Memory ..................................................................................... 35
Accessing Expansion Memory ............................................................................. 36
Accessing I/O Expansion Space .......................................................................... 37
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Revision 1.07