
9
CONTENTS
CHAPTER 1 INTRODUCTION.................................................................................................................23
1.1 General..........................................................................................................................................23
1.2 Features ........................................................................................................................................23
1.3 Application Fields........................................................................................................................25
1.4 Ordering Information...................................................................................................................25
1.5 Pin Configuration (Top View)......................................................................................................26
1.6 Function Blocks...........................................................................................................................29
1.6.1
Internal Block Diagram.................................................................................................................. 29
1.6.2
On-chip units ................................................................................................................................. 30
CHAPTER 2 PIN FUNCTIONS................................................................................................................33
2.1 List of Pin Functions....................................................................................................................33
2.2 Pin States......................................................................................................................................40
2.3 Description of Pin Functions......................................................................................................41
2.4 I/O Circuit Types, I/O Buffer Power Supply and Handling of Unused Pins............................52
2.5 I/O Circuit of Pins.........................................................................................................................54
CHAPTER 3 CPU FUNCTIONS...............................................................................................................57
3.1 Features ........................................................................................................................................57
3.2 CPU Register Set..........................................................................................................................58
3.2.1
Program register set...................................................................................................................... 59
3.2.2
System register set........................................................................................................................ 60
3.3 Operation Modes..........................................................................................................................62
3.4 Address Space .............................................................................................................................63
3.4.1
CPU address space....................................................................................................................... 63
3.4.2
Image............................................................................................................................................. 64
3.4.3
Wrap-around of CPU address space............................................................................................. 65
3.4.4
Memory map.................................................................................................................................. 66
3.4.5
Area............................................................................................................................................... 67
3.4.6
External expansion mode.............................................................................................................. 73
3.4.7
Recommended use of address space........................................................................................... 76
3.4.8
Peripheral I/O registers.................................................................................................................. 79
3.4.9
Specific registers.......................................................................................................................... 86
CHAPTER 4 BUS CONTROL FUNCTION .............................................................................................89
4.1 Features ........................................................................................................................................89
4.2 Bus Control Pins and Control Register .....................................................................................89
4.2.1
Bus control pins............................................................................................................................. 89
4.2.2
Control register.............................................................................................................................. 90
4.3 Bus Access...................................................................................................................................90
4.3.1
Number of access clocks............................................................................................................... 90
4.3.2
Bus width....................................................................................................................................... 91
4.4 Memory Block Function ..............................................................................................................92
4.5 Wait Function ...............................................................................................................................93
4.5.1
Programmable wait function.......................................................................................................... 93
4.5.2
External wait function .................................................................................................................... 94