ADP315PC87570 National Semiconductor, ADP315PC87570 Datasheet - Page 4

• Manufacturer Part Number: ADP315PC87570
• Description: Keyboard and Power Management Controller
• Manufacturer: National Semiconductor

www.national.com
Highlights
1.0
2.0
3.0
Introduction
1.1
1.2
1.3
Signal/Pin Connection and Description
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
Bus Interface Unit (BIU)
3.1
3.2
....................................................................................................................................................... 1
INTERNAL ARCHITECTURE .................................................................................................... 14
1.1.1
1.1.2
1.1.3
1.1.4
1.1.5
EXPANSION OPTIONS ............................................................................................................. 15
OPERATING ENVIRONMENTS ................................................................................................ 15
1.3.1
1.3.2
1.3.3
CONNECTION DIAGRAMS ...................................................................................................... 19
SIGNAL/PIN DESCRIPTIONS ................................................................................................... 21
RESET SOURCES AND TYPES ............................................................................................... 26
2.3.1
2.3.2
2.3.3
2.3.4
2.4.1
2.4.2
2.4.3
2.4.4
2.4.5
ALTERNATE FUNCTIONS ........................................................................................................ 27
SYSTEM CONFIGURATION REGISTERS ............................................................................... 29
2.6.1
2.6.2
SHARED MEMORY CONFIGURATION ................................................................................... 30
MEMORY MAP .......................................................................................................................... 30
2.8.1
2.8.2
2.8.3
FEATURES ................................................................................................................................ 34
FUNCTIONAL DESCRIPTION .................................................................................................. 34
3.2.1
3.2.2
STRAP PINS ............................................................................................................................ 26
Processing Unit ........................................................................................................... 14
BIU ............................................................................................................................... 14
Memory ........................................................................................................................ 14
HBI ............................................................................................................................... 14
Peripherals .................................................................................................................. 14
IRE Environment ......................................................................................................... 16
IRD Environment ......................................................................................................... 17
DEV Environment ........................................................................................................ 18
Power-Up Reset .......................................................................................................... 26
Warm Reset ................................................................................................................. 26
WATCHDOG Reset ..................................................................................................... 26
Triggering Reset .......................................................................................................... 26
Setting the Environment .............................................................................................. 26
Other Strap Pin Settings .............................................................................................. 26
System Load on Strap Pins ......................................................................................... 27
Strap Inputs During Idle Mode ..................................................................................... 27
Strap Pin Status Register (STRPST) ........................................................................... 27
Module Configuration Register (MCFG) ...................................................................... 29
PAGE Register ............................................................................................................ 30
Accessing Base Memory ............................................................................................. 31
Accessing External Memory ........................................................................................ 32
Accessing I/O Expansion Space ................................................................................. 33
Interfacing .................................................................................................................... 34
Static Memory and I/O Support ................................................................................... 34
Table of Contents
Table of Contents
4