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S3C84E5/C84E9/P84E9 MICROCONTROLLER v
Table of Contents
Part I — Programming Model
Chapter 1 Product Overview
S3C8-SERIES Microcontrollers.............................................................................................................1-1
S3C84E5/C84E9/P84E9 Microcontroller................................................................................................1-1
Features.............................................................................................................................................1-2
Block Diagram ....................................................................................................................................1-3
Pin Assignment...................................................................................................................................1-4
Pin Assignment...................................................................................................................................1-5
Pin Descriptions..................................................................................................................................1-6
Pin Circuits.........................................................................................................................................1-8
Chapter 2 Address Spaces
Overview.............................................................................................................................................2-1
Program Memory (ROM)......................................................................................................................2-2
Register Architecture...........................................................................................................................2-3
Register Page Pointer (PP)..........................................................................................................2-5
Register Set 1.............................................................................................................................2-7
Register Set 2.............................................................................................................................2-7
Prime Register Space..................................................................................................................2-8
Working Registers.......................................................................................................................2-9
Using the Register Pointers..........................................................................................................2-10
Register Addressing ............................................................................................................................2-12
Common Working Register Area (C0h–Cfh)....................................................................................2-14
4-Bit Working Register Addressing................................................................................................2-15
8-Bit Working Register Addressing................................................................................................2-17
System and User Stack.......................................................................................................................2-19
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
Indirect Address Mode (IA)...................................................................................................................3-12
Relative Address Mode (RA).................................................................................................................3-13
Immediate Mode (IM)...........................................................................................................................3-14