
PREFACE
Readers
This manual has been prepared for user engineers who understand the functions of the
m
PD780228
subseries and design and develop its application systems and programs.
Purpose
This manual is intended for the users to understand the functions described in the Organization
section below.
Organization
The
m
PD780228 subseries manual is separated into two parts: this manual and Instructions
(common to the 78K/0 series)
m
PD780228 Subseries
User’s Manual
(This manual)
78K/0 Series
User’s Manual
Instructions
Pin functions
Internal block functions
Interrupts
Miscellaneous on-chip peripheral functions
CPU functions
Instruction set
Explanation of each instruction
How to Read This Manual
Before reading this manual, you must have general knowledge of electric and logic circuits and
microcomputer.
When you want to understand the functions in general:
Read this manual in the order of the contents.
How to interpret the register format:
For the circled bit number, the bit name is defined as a reserved word in RA78K/0, and in
CC78K/0, already defined in the header file named sfrbit.h.
When confirming the details of the register whose register name is known:
Refer to
APPENDIX D REGISTER INDEX
.
When you want to know the differences between the
m
PD78044H subseries and the
m
PD780208
subseries:
Refer to
APPENDIX A DIFFERENCES BETWEEN
m
PD78044H, 780228, AND 780208
SUBSERIES
.
When you want to know the details of the
m
PD780228 subseries instruction funcion:
Refer to
78K/0 Series User’s Manual: Instruction. (U12326E)
.
When you want to know the electrical characteristics of the
m
PD780288 subseries:
Refer to
m
PD780226
,
780228
Data Sheet (U11797E)
separately available.
When you want to know the application examples of each function of the
m
PD780228 subseries
Refer to
78K/0 Series Application Note - Fundamental (II) (U10121E)
separately
available.