
9
TABLE OF CONTENTS
CHAPTER 1 INTRODUCTION ............................................................................................................... 19
1.1
General .................................................................................................................................... 19
1.2
Features .................................................................................................................................. 20
1.3
Application Fields.................................................................................................................. 21
1.4
Ordering Information............................................................................................................. 21
1.5
Pin Configuration (Top View)............................................................................................... 22
1.6
Function Block Configuration.............................................................................................. 24
1.6.1
Internal block diagram................................................................................................................. 24
1.6.2
Internal units ................................................................................................................................ 25
1.7
Differences among Products ............................................................................................... 27
CHAPTER 2 PIN FUNCTIONS............................................................................................................... 29
2.1
Pin Function List.................................................................................................................... 29
2.2
Pin Status................................................................................................................................ 34
2.3
Pin Function ........................................................................................................................... 35
2.4
I/O Circuit Type of Each Pin and Connection When Not Used....................................... 43
2.5
I/O Circuits of Pins ................................................................................................................ 44
CHAPTER 3 CPU FUNCTIONS ............................................................................................................. 45
3.1
Features .................................................................................................................................. 45
3.2
CPU Register Set ................................................................................................................... 46
3.2.1
Program register set.................................................................................................................... 47
3.2.2
System register set ..................................................................................................................... 48
3.3
Operation Modes.................................................................................................................... 50
3.3.1
Operation modes ......................................................................................................................... 50
3.3.2
Specifying operation mode ......................................................................................................... 50
3.4
Address Space ....................................................................................................................... 51
3.4.1
CPU address space .................................................................................................................... 51
3.4.2
Image ........................................................................................................................................... 52
3.4.3
Wrap-around of CPU address space ......................................................................................... 53
3.4.4
Memory map................................................................................................................................ 54
3.4.5
Area.............................................................................................................................................. 57
3.4.6
External expansion mode ........................................................................................................... 63
3.4.7
Memory expansion mode register (MM) .................................................................................... 64
3.4.8
Recommended use of address space........................................................................................ 65
3.4.9
Peripheral I/O registers ............................................................................................................... 68
3.4.10
Specific registers ......................................................................................................................... 73
CHAPTER 4 BUS CONTROL FUNCTION............................................................................................. 77
4.1
Features .................................................................................................................................. 77
4.2
Bus Control Pins.................................................................................................................... 77
4.3
Bus Access............................................................................................................................. 78
4.3.1
Number of access clocks............................................................................................................ 78
4.3.2
Bus width ..................................................................................................................................... 78