
Preliminary User’s Manual U16031EJ2V1UD
12
CONTENTS
CHAPTER 1 INTRODUCTION................................................................................................................28
1.1
Outline ........................................................................................................................................28
1.2
Features......................................................................................................................................29
1.3
Applications ...............................................................................................................................31
1.4
Ordering Information ................................................................................................................31
1.5
Pin Configuration ......................................................................................................................32
1.6
Function Blocks ........................................................................................................................34
1.6.1
Internal block diagram ..................................................................................................................34
1.6.2
On-chip units ................................................................................................................................35
CHAPTER 2 PIN FUNCTIONS ..............................................................................................................38
2.1
List of Pin Functions.................................................................................................................38
2.2
Pin Status ...................................................................................................................................46
2.3
Description of Pin Functions ...................................................................................................48
2.4
Pin I/O Circuits and Recommended Connection of Unused Pins ........................................64
2.5
Pin I/O Circuits...........................................................................................................................67
CHAPTER 3 CPU FUNCTION ...............................................................................................................68
3.1
Features......................................................................................................................................68
3.2
CPU Register Set.......................................................................................................................69
3.2.1
Program register set.....................................................................................................................70
3.2.2
System register set ......................................................................................................................71
3.3
Operating Modes .......................................................................................................................74
3.3.1
Operating modes..........................................................................................................................74
3.3.2
Operating mode specification.......................................................................................................74
3.4
Address Space ..........................................................................................................................75
3.4.1
CPU address space .....................................................................................................................75
3.4.2
Image ...........................................................................................................................................76
3.4.3
Wrap-around of CPU address space ...........................................................................................77
3.4.4
Memory map ................................................................................................................................78
3.4.5
Area..............................................................................................................................................79
3.4.6
Recommended use of address space ..........................................................................................83
3.4.7
Peripheral I/O registers ................................................................................................................85
3.4.8
Specific registers ........................................................................................................................111
3.4.9
System wait control register (VSWC) .........................................................................................111
3.4.10
Initialization sequence ................................................................................................................112
CHAPTER 4 BUS CONTROL FUNCTION .........................................................................................114
4.1
Features....................................................................................................................................114
4.2
Bus Control Pins .....................................................................................................................114
4.2.1
Pin status during internal instruction RAM, internal data RAM, and peripheral I/O access ........115
4.3
Memory Block Function..........................................................................................................116