Introduction – NEC 78K/0 Series User Manual
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User's Manual U12326EJ4V0UM
INTRODUCTION
Target Readers
This manual is intended for users who wish to understand the functions of
78K/0 Series products and to design and develop its application systems and
programs.
Purpose
This manual is intended to give users an understanding of the various kinds of
instruction functions of 78K/0 Series products.
Organization
This manual is broadly divided into the following sections.
• CPU functions
• Instruction set
• Explanation of instructions
How to Read This Manual
It is assumed that readers of this manual have general knowledge in the fields of
electrical engineering, logic circuits, and microcontrollers.
• To check the details of the functions of an instruction whose mnemonic is known:
→ Refer to APPENDICES B and C.
• To check an instruction whose mnemonic is not known but whose general
function is known:
→ Find the mnemonic in CHAPTER 4 INSTRUCTION SET and then check the
detailed functions in CHAPTER 5 EXPLANATION OF INSTRUCTIONS.
• To learn about the various kinds of 78K/0 Series product instructions in general:
→ Read this manual in the order of CONTENTS.
• To learn about the hardware functions of 78K/0 Series products:
→ See the separate user’s manuals.
Conventions
Data significance:
Higher digits on the left and lower digits on the right
Note:
Footnote for item marked with Note in the text
Caution:
Information requiring particular attention
Remark:
Supplementary information
Numeral representation:
Binary ................. XXXX or XXXXB
Decimal .............. XXXX
Hexadecimal ...... XXXXH