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PDF S3P825 Data sheet ( Hoja de datos )
| Número de pieza | S3P825 | |
| Descripción | 8-BIT CMOS MICROCONTROLLERS | |
| Fabricantes | Samsung semiconductor | |
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S3C825A/P825A
8-BIT CMOS
MICROCONTROLLERS
USER'S MANUAL
Revision 1
1 page  
Table of Contents
Part I — Programming Model
Chapter 1
Product Overview
S3C8-Series Microcontrollers...................................................................................................................1-1
S3C825A Microcontroller .........................................................................................................................1-1
OTP.........................................................................................................................................................1-1
Features ..................................................................................................................................................1-2
Block Diagram .........................................................................................................................................1-3
Pin Assignment........................................................................................................................................1-4
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......................................................................................................................................2-6
Register Set 2......................................................................................................................................2-6
Prime Register Space..........................................................................................................................2-7
Working Registers ...............................................................................................................................2-8
Using the Register Points ....................................................................................................................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 Stack ...........................................................................................................................2-18
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
S3C825A/P825A MICROCONTROLLER
v
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List of Figures
Title
Page
Number
Block Diagram........................................................................................................1-3
S3C825A Pin Assignments (80-TQFP-1212) ..........................................................1-4
S3C825A Pin Assignments (80-QFP-1420) ............................................................1-5
Pin Circuit Type A ..................................................................................................1-8
Pin Circuit Type B (RESET) ...................................................................................1-8
Pin Circuit Type C ..................................................................................................1-8
Pin Circuit Type E-4 (P2, P3.4–P3.7, P4, P5) ........................................................1-8
Pin Circuit Type F-16 (P3.0-P3.3)...........................................................................1-9
Pin Circuit Type H-23 .............................................................................................1-9
Pin Circuit Type H-32(P0, P1, P6-P8).....................................................................1-9
Program Memory Address Space ...........................................................................2-2
Internal Register File Organization .........................................................................2-4
Register Page Pointer (PP) ....................................................................................2-5
Set 1, Set 2, Prime Area Register, and LCD Data Register Map .............................2-7
8-Byte Working Register Areas (Slices)..................................................................2-8
Contiguous 16-Byte Working Register Block...........................................................2-9
Non-Contiguous 16-Byte Working Register Block ...................................................2-10
16-Bit Register Pair ................................................................................................2-11
Register File Addressing.........................................................................................2-12
Common Working Register Area ............................................................................2-13
4-Bit Working Register Addressing .........................................................................2-15
4-Bit Working Register Addressing Example ..........................................................2-15
8-Bit Working Register Addressing .........................................................................2-16
8-Bit Working Register Addressing Example ..........................................................2-17
Stack Operations....................................................................................................2-18
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 ...................................................3-9
Direct Addressing for Load Instructions...................................................................3-10
Direct Addressing for Call and Jump Instructions....................................................3-11
Indirect Addressing.................................................................................................3-12
Relative Addressing ...............................................................................................3-13
Immediate Addressing............................................................................................3-14
S3C825A/P825A MICROCONTROLLER
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