
Preliminary User’s Manual U16541EJ1V0UM
8
CONTENTS
CHAPTER 1 INTRODUCTION..................................................................................................................32
1.1
General......................................................................................................................................32
1.2
Features ....................................................................................................................................35
1.3
Application Fields....................................................................................................................36
1.4
Ordering Information...............................................................................................................37
1.5
Pin Configuration (Top View) .................................................................................................39
1.6
Function Block Configuration ................................................................................................44
1.6.1
Internal block diagram ...............................................................................................................44
1.6.2
Internal units ..............................................................................................................................45
CHAPTER 2 PIN FUNCTIONS ................................................................................................................48
2.1
List of Pin Functions ...............................................................................................................48
2.2
Pin States..................................................................................................................................55
2.3
Description of Pin Functions..................................................................................................56
2.4
Pin I/O Circuit Types, I/O Buffer Power Supplies and Handling of Unused Pins ..............65
CHAPTER 3 CPU FUNCTION .................................................................................................................70
3.1
Features ....................................................................................................................................70
3.2
CPU Register Set .....................................................................................................................71
3.2.1
Program register set ..................................................................................................................72
3.2.2
System register set....................................................................................................................73
3.3
Operation Modes .....................................................................................................................79
3.3.1
Operation modes .......................................................................................................................79
3.4
Address Space .........................................................................................................................80
3.4.1
CPU address space...................................................................................................................80
3.4.2
Image.........................................................................................................................................81
3.4.3
Wraparound of CPU address space ..........................................................................................82
3.4.4
Memory map..............................................................................................................................83
3.4.5
Areas .........................................................................................................................................85
3.4.6
Recommended use of address space .......................................................................................93
3.4.7
Peripheral I/O registers..............................................................................................................96
3.4.8
Programmable peripheral I/O registers....................................................................................107
3.4.9
Special registers ......................................................................................................................108
3.4.10
Notes .......................................................................................................................................112
CHAPTER 4 PORT FUNCTIONS ..........................................................................................................114
4.1
Features ..................................................................................................................................114
4.2
Basic Port Configuration ......................................................................................................114
4.3
Port Configuration .................................................................................................................115
4.3.1
Notes on setting port pins........................................................................................................115
4.3.2
Port 0 .......................................................................................................................................116
4.3.3
Port 1 .......................................................................................................................................121