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PDF S3F94A5 Data sheet ( Hoja de datos )
| Número de pieza | S3F94A5 | |
| Descripción | 8-BIT CMOS MICROCONTROLLER | |
| Fabricantes | Samsung semiconductor | |
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S3C94A5/F94A5
8-BIT CMOS
MICROCONTROLLER
USER'S MANUAL
Revision 1.1
1 page  
www.DataSheet4U.com
Preface
The S3C94A5/F94A5 Microcontroller User's Manual is designed for application designers and programmers who are
using the S3C94A5/F94A5 microcontroller for application development. It is organized in two parts:
Part I
Programming Model
Part II
Hardware Descriptions
Part I contains software-related information to familiarize you with the microcontroller's architecture, programming
model, instruction set, and interrupt structure. It has six chapters:
Chapter 1
Chapter 2
Chapter 3
Product Overview
Address Spaces
Addressing Modes
Chapter 4
Chapter 5
Chapter 6
Control Registers
Interrupt Structure
SAM88RCRI Instruction Set
Chapter 1, "Product Overview," is a high-level introduction to the S3C94A5/F94A5 with a general product description,
and detailed information about individual pin characteristics and pin circuit types.
Chapter 2, "Address Spaces," explains the S3C94A5/F94A5 program and data memory, internal register file, and
mapped control registers, and explains how to address them. Chapter 2 also describes working register addressing,
as well as system and user-defined stack operations.
Chapter 3, "Addressing Modes," contains detailed descriptions of the six addressing modes that are supported by
the CPU.
Chapter 4, "Control Registers," contains overview tables for all mapped system and peripheral control register values,
as well as detailed one-page descriptions in standard format. You can use these easy-to-read, alphabetically
organized, register descriptions as a quick-reference source when writing programs.
Chapter 5, "Interrupt Structure," describes the S3C94A5/F94A5 interrupt structure in detail and further prepares you
for additional information presented in the individual hardware module descriptions in part II.
Chapter 6, "SAM88RCRI Instruction Set," describes the features and conventions of the instruction set used for all
S3C9-series microcontrollers. Several summary tables are presented for orientation and reference. Detailed
descriptions of each instruction are presented in a standard format. Each instruction description includes one or
more practical examples of how to use the instruction when writing an application program.
A basic familiarity with the information in part I will help you to understand the hardware module descriptions in Part
II. If you are not yet familiar with the SAM88RCRI product family and are reading this manual for the first time, we
recommend that you first read chapters 1–3 carefully. Then, briefly look over the detailed information in chapters 4, 5,
and 6. Later, you can reference the information in part I as necessary.
Part II contains detailed information about the peripheral components of the S3C94A5/F94A5 microcontrollers. Also
included in part II are electrical, mechanical, MTP, and development tools data. It has 14 chapters:
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Clock Circuit
RESET and Power-Down
I/O Ports
Basic Timer
16-bit Timer 0
16-bit Timer 1
8-bit Timer 2
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Watch Timer
10-Bit Analog-To-Digital Converter
Serial I/O Interface
Electrical Data
Mechanical Data
S3F94A5 Flash MCU
Development Tools
Two order forms are included at the back of this manual to facilitate customer order for S3C94A5/F94A5
microcontroller: the Mask ROM Order Form, and the Mask Option Selection Form. You can photocopy these forms,
fill them out, and then forward them to your local Samsung Sales Representative.
S3C94A5/F94A5 MICROCONTROLLER
iii
5 Page 
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Figure
Number
1-1
1-2
1-3
1-4
1-5
1-6
1-7
1-8
1-9
2-1
2-2
2-3
2-4
2-5
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-11
3-12
3-13
List of Figures
Title
Page
Number
Block Diagram ....................................................................................................1-3
S3C94A5/F94A5 Pin Assignments (44-QFP-1010B)...............................................1-4
S3C94A5/F94A5 Pin Assignments (42-SDIP-600) ..................................................1-5
Pin Circuit Type B (nRESET) ................................................................................1-8
Pin Circuit Type E ...............................................................................................1-8
Pin Circuit Type E-2 (P5.1–P5.6) ..........................................................................1-9
Pin Circuit Type E-4 (P1, P4.2–P4.6) ....................................................................1-9
Pin Circuit Type F-16 (P2, P5.0) ...........................................................................1-10
Pin Circuit Type F-16A (P3, P4.0, P4.1, P4.7)........................................................1-10
S3C94A5/F94A5 Program Memory Address Space................................................2-2
Smart Option ......................................................................................................2-4
Internal Register File Organization.........................................................................2-5
16-Bit Register Pairs............................................................................................2-6
Stack Operations ................................................................................................2-7
Register Addressing ............................................................................................3-2
Working Register Addressing ...............................................................................3-2
Indirect Register Addressing to Register File..........................................................3-3
Indirect Register Addressing to Program Memory ...................................................3-4
Indirect Working Register Addressing to Register File.............................................3-5
Indirect Working Register Addressing to Program or Data Memory...........................3-6
Indexed Addressing to Register File ......................................................................3-7
Indexed Addressing to Program or Data Memory with Short Offset ...........................3-8
Indexed Addressing to Program or Data Memory with Long Offset............................3-9
Direct Addressing for Load Instructions..................................................................3-10
Direct Addressing for Call and Jump Instructions ....................................................3-11
Relative Addressing .............................................................................................3-12
Immediate Addressing .........................................................................................3-12
S3C94A5/F94A5 MICROCONTROLLER
xi
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