D17133CS datasheet(4/289 Pages) NEC

4 / 289 page

INTRODUCTION

Targeted Reader

This manual is intended for the user engineers who understand functions of the

µPD17120 subseries and design their application systems using the µPD17120 sub-

series

Purpose

The purpose of this manual is for the user to understand the hardware functions of

the

µPD17120 subseries.

Use

The manual assumes that the reader has a general knowledge of electricity, logic

circuits, microcontrollers.

• To understand the functions of the

µPD17120 subseries in a general way;

→ Read the manual from CHAPTER 1.

• To look up instruction functions in detail when you know the mnemonic of

an instruction;

→ Use APPENDIX D INSTRUCTION LIST.

• To look up an instruction when you do not know its mnemonic but know

outlines of the function;

→ Refer to 18.3 LIST OF THE INSTRUCTION SET for search for the mnemonic

of the instruction, then see 18.5 INSTRUCTIONS for the function.

• To look up electrical characteristics of the

µPD17120 subseries;

→ Refer to DATA SHEET.

Legend

Data representation weight

: High-order and low-order digits are indicated from

left to right.

Active low representation

××× (pin or signal name is overlined)

Address of memory map

: Top: low, Bottom: high

Note

: Explanation of Note in the text

Caution

: Caution to which you should pay attention

Remark

: Supplementary explanation to the text

Number representation

: Binary number

...

×××× or ××××B

Decimal number

...

×××× or ××××D

Hexadecimal number ...

××××H

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