UPD78044F datasheet(5/472 Pages) NEC

5 / 472 page

User’s Manual U16504EE1V1UD00

Preface

Readers

This manual has been prepared for engineers who want to understand the

functions of the µPD780828A Subseries and design and develop its

application systems and programs.

µPD780828A Subseries:

µPD780824A(A), µPD780826A(A), µPD780828A(A), µPD78F0828A(A),

µPD780824A(A1), µPD780826A(A1), µPD780828A(A1),

µPD780824A(A2), µPD780826A(A2), µPD780828A(A2)

Purpose

This manual is intended for users to understand the functions of the

µPD780828A Subseries.

Organization

The µPD780828A subseries manual is separated into two parts: this manual

and the instruction edition (common to the 78K/0 series).

µPD780828A

78K/0 series

Subseries

User’s Manual

This Manual

Instruction

• Pin functions

• CPU functions

• Internal block functions

• Instruction set

• Interrupt

• Explanation of each instruction

• Other on-chip peripheral functions

How to Read This Manual

Before reading this manual, you should have general knowledge of electric

and logic circuits and microcontrollers.

• When you want to use this manual as the manual for (A) products, (A1) products,

and (A2) products:

→ Only the quality grade differs between (A), (A1) and (A2) products.

Read the part number as follows:

µPD780824A

→ µPD780824A(A), µPD780824A(A1), µPD780824A(A2)

µPD780826A

→ µPD780826A(A), µPD780826A(A1), µPD780826A(A2)

µPD780828A

→ µPD780828A(A), µPD780828A(A1), µPD780828A(A2)

µPD78F0828A

→ µPD78F0828A(A)

• When you want to understand the function in general:

→ Read this manual in the order of the contents.

• How to interpret the register format:

→ For the bit number enclosed in square, the bit name is defined as a reserved word in RA78K/0,

and in CC78K/0 and defined in the header file of hte IAR compiler.

• To make sure the details of the registers when you know the register name.

→ Refer to Appendix C.

UPD78044F Datasheet(PDF) 5 Page - NEC

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