NEC 78K0S/KA1+ User Manual page 6

Target Readers
Purpose
Organization
How to Use This Manual
6
INTRODUCTION
This manual is intended for user engineers who wish to understand the functions of
the 78K0S/KA1+ in order to design and develop its application systems and programs.
The target devices are the following subseries products.
µ
• 78K0S/KA1+:
PD78F9221(T), 78F9222(T), 78F9221(T2), 78F9222(T2),
78F9221(S), 78F9222(S), 78F9221(R), 78F9222(R), 78F9221(A),
78F9222(A), 78F9221(A2), 78F9222(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/KA1+: this manual and the Instruction
Manual (common to the 78K/0S Series).
78K0S/KA1+
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/KA1+
→ Read this manual in the order of the CONTENTS. The mark
revised points.
◊ 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/KA1+
→ See CHAPTER 20 to 22 ELECTRICAL SPECIFICATIONS.
User's Manual U16898EJ3V0UD
78K/0S Series
Instructions
User's Manual
• CPU function
• Instruction set
• Instruction description
shows major