Table of Contents
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Purpose
Organization
How to Read This Manual
Conventions
Data representation weight:
Active low representations:
Note:
Caution:
Remark:
Numeral representations:
PREFACE
This manual has been prepared for user engineers who wish to understand the
functions of the µ PD178054 Subseries and design and develop its application
systems and programs.
This manual is intended to give users an understanding of the functions described
in the Organization below.
The µ PD178054 Subseries manual is separated into two parts: this manual and the
instruction edition (common to the 78K/0 Series).
µ PD178054
Subseries
User's Manual
•
Pin functions
•
Internal block functions
•
Interrupt
•
Other on-chip peripheral functions
•
Electrical specifications
Before reading this manual, you should have general knowledge of electric and logic
circuits and microcomputers.
•
When you want to understand the functions in general:
→ Read this manual in the order of the contents.
•
To know the µ PD178054 Subseries instruction function in detail:
→ Refer to the 78K/0 Series User's Manual Instructions (U12326E)
•
How to interpret the register format:
→ For the circled bit number, the bit name is defined as a reserved word in
DF178054 and RA78K0, and in CC78K0, already defined in the header file
named sfrbit.h.
•
To know the electrical specifications of the µ PD178054 Subseries:
→ Refer to CHAPTER 19 ELECTRICAL SPECIFICATIONS.
Higher digits on the left and lower digits on the right
××× (overscore over pin or signal name)
Footnote for item marked with Note in the text.
Information requiring particular attention
Supplementary information
Binary ... ×××× or ××××B
Decimal ... ××××
Hexadecimal ... ××××H
User's Manual U15104EJ2V0UD
78K/0 Series
User's Manual
Instruction
•
CPU functions
•
Instruction set
•
Explanation of each instruction
7
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