Table Of Contents - Samsung S3P80C5 User Manual

Chapter 1
Overview .................................................................................................................................................1-1
S3P80C5/C80C5/C80C8 Microcontroller .................................................................................................1-1
Features ..................................................................................................................................................1-2
CPU ........................................................................................................................................................1-2
Block Diagram .........................................................................................................................................1-3
Pin Assignments......................................................................................................................................1-4
Pin Descriptions.......................................................................................................................................1-5
Pin Circuits ..............................................................................................................................................1-6
Chapter 2
Overview .................................................................................................................................................2-1
Program Memory (ROM) .........................................................................................................................2-2
Register Architecture ...............................................................................................................................2-3
Register Page Pointer (PP) .............................................................................................................2-5
Register Set 1 .................................................................................................................................2-6
Register Set 2 .................................................................................................................................2-6
Prime Register Space .....................................................................................................................2-7
Working Registers...........................................................................................................................2-8
Using The Register Pointers ............................................................................................................2-9
Register Addressing.................................................................................................................................2-11
Common Working Register Area (C0H-CFH)..................................................................................2-13
4-Bit Working Register Addressing ..................................................................................................2-14
8-Bit Working Register Addressing ..................................................................................................2-16
System and User Stacks..........................................................................................................................2-18
Chapter 3
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
Indirect Address Mode (IA) ..............................................................................................................3-12
Relative Address Mode (RA) ...........................................................................................................3-13
Immediate Mode (IM) ......................................................................................................................3-14
S3P80C5/C80C5/C80C8

Table of Contents

Part I - Programming Model
Product Overview
Address Spaces
Addressing Modes
MICROCONTROLLER v