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7
User’s Manual U11302EJ4V0UM
INTRODUCTION
Readers
This manual has been prepared for user engineers who wish to understand the functions of the
μ
PD780208 Subseries and design and develop its application systems and programs.
Purpose
This manual is intended to give users an understanding of the functions described in the
Organization
below.
Organization
The
μ
PD780208 Subseries manual consists of two parts: this manual and Instructions (common to
the 78K/0 Series)
μ
PD780208 Subseries
User’s Manual
(This manual)
78K/0 Series
Instructions
User’s Manual
Pin functions
Internal block functions
Interrupts
Other on-chip peripheral functions
CPU functions
Instruction set
Explanation of each instruction
How to Read This Manual
It is assumed that the reader of this manual has general knowledge in the fields of electrical
engineering, logic circuits, and microcontrollers.
For an understanding of functions in general:
→
Read this manual in the order of the
CONTENTS
.
For how to interpret the register format:
→
For a bit number enclosed in angle brackets, the bit name is defined as a reserved word in the
RA78K0, and is defined in the header file named sfrbit.h in the CC78K0.
To confirm the details of a register whose register name is known:
→
Refer to
APPENDIX C REGISTER INDEX
.
For the details of
μ
PD780208 Subseries instruction functions:
→
Refer to
78K/0 Series Instructions User’s Manual (U12326E)
.
For the electrical specifications of the
μ
PD780208 Subseries:
→
Refer to the separate
μ
PD780204, 780205, 780206, 780208 Data Sheet (U10436E)
and
μ
PD78P0208 Data Sheet (U11295E)
.
For application examples of the
μ
PD780208 Subseries:
→
Refer to the separate
78K/0 Series Basics (II) Application Note (U10121E)
.
Conventions
Data significance:
Active low representation:
Note
:
Caution
:
Remark
:
Numerical representation:
Higher digits on the left and lower digits on the right
xxx (overscore over pin or signal name)
Footnote for item marked with
Note
in the text
Information requiring particular attention
Supplementary information
Binary .................. xxxx or xxxxB
Decimal ............... xxxx
Hexadecimal ....... xxxxH