User's Manual U17446Ej3V1Ud - NEC 78K0S/KB1+ User Manual

Target Readers
Purpose
Organization
How to Use This Manual
INTRODUCTION
This manual is intended for user engineers who wish to understand the functions of
the 78K0S/KB1+ in order to design and develop its application systems and
programs.
The target devices are the following subseries products.
• 78K0S/KB1+: μ
PD78F9232, 78F9234, 78F9232(A), 78F9234(A), 78F9232(A2),
78F9234(A2)
This manual is intended to give users on understanding of the functions described in
the Organization below.
Two manuals are available for the 78K0S/KB1+: this manual and the Instruction
Manual (common to the 78K/0S Series).
78K0S/KB1+
User's Manual
• Pin functions
• Internal block functions
• Interrupts
• Other internal peripheral functions
• Electrical specifications
It is assumed that the readers of this manual have general knowledge of electrical
engineering, logic circuits, and microcontrollers.
◊ To understand the overall functions of 78K0S/KB1+
→ Read this manual in the order of the CONTENTS. The mark <R> shows major
revised points. The revised points can be easily searched by copying an "<R>"
in the PDF file and specifying it in the "Find what:" field.
◊ How to read register formats
→ For a bit number enclosed in a square, the bit name is defined as a reserved
word in the RA78K0S, and is defined as an sfr variable using the #pragma sfr
directive in the CC78K0S.
◊ To learn the detailed functions of a register whose register name is known
→ See APPENDIX C REGISTER INDEX.
◊ To learn the details of the instruction functions of the 78K/0S Series
→ Refer to 78K/0S Series Instructions User's Manual (U11047E) separately
available.
◊ To learn the electrical specifications of the 78K0S/KB1+
→ See CHAPTER 21 and 22 ELECTRICAL SPECIFICATIONS.

User's Manual U17446EJ3V1UD

78K/0S Series
Instructions
User's Manual
• CPU function
• Instruction set
• Instruction description
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