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S3C94A5

8-BIT CMOS MICROCONTROLLER

Samsung 

Table of Contents

Part I — Programming Model

Chapter 1

Product Overview

SAM88RCRI Product Family ................................................................................................................1-1

S3C94A5/F94A5 Microcontroller ...........................................................................................................1-1

Flash..................................................................................................................................................1-1

Features .............................................................................................................................................1-2

Block Diagram ....................................................................................................................................1-3

Pin Assignments.................................................................................................................................1-4

Pin Descriptions ..................................................................................................................................1-6

Pin Circuit Diagrams............................................................................................................................1-8

Chapter 2

Address Spaces

Overview .............................................................................................................................................2-1

Program Memory (ROM) ......................................................................................................................2-2

Smart Option ......................................................................................................................................2-3

Register Architecture ...........................................................................................................................2-5

Common Working Register Area (C0H–CFH) .........................................................................................2-6

System Stack.....................................................................................................................................2-7

Chapter 3

Addressing Modes

Overview .............................................................................................................................................3-1

Register Addressing Mode (R) ..............................................................................................................3-2

Indirect Register Addressing Mode (IR)..................................................................................................3-3

Indexed Addressing Mode (X) ...............................................................................................................3-7

Direct Address Mode (DA)....................................................................................................................3-10

Relative Address Mode (RA).................................................................................................................3-12

Immediate Mode (IM) ...........................................................................................................................3-12

S3C94A5/F94A5 MICROCONTROLLER

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