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P852B Schematic ( PDF Datasheet ) - Samsung

Teilenummer P852B
Beschreibung 8-BIT CMOS MICROCONTROLLERS
Hersteller Samsung
Logo Samsung Logo 




Gesamt 30 Seiten
P852B Datasheet, Funktion
S3C852B/P852B
8-BIT CMOS
MICROCONTROLLERS
USER'S MANUAL
Revision 0
Free Datasheet http://www.datasheet4u.com/






P852B Datasheet, Funktion
Table of Contents (Continued)
Chapter 4
Control Registers
Overview .................................................................................................................................................4-1
Chapter 5
Interrupt Structure
Overview .................................................................................................................................................4-1
Interrupt Types ................................................................................................................................4-2
S3C852B/P852B Interrupt Structure ................................................................................................4-3
Interrupt Vector Addresses ..............................................................................................................4-4
Enable/Disable Interrupt Instructions (EI, DI) ...................................................................................4-6
System-Level Interrupt Control Registers ........................................................................................4-6
Interrupt Processing Control Points..................................................................................................4-7
System Mode Register (SYM)..................................................................................................................4-8
Interrupt Mask Register (IMR)..........................................................................................................4-9
Interrupt Priority Register (IPR)........................................................................................................4-10
Interrupt Request Register (IRQ) .....................................................................................................4-12
Interrupt Pending Function Types ....................................................................................................4-13
Interrupt Source Polling Sequence ..................................................................................................4-14
Interrupt Service Routines ...............................................................................................................4-14
Generating Interrupt Vector Addresses ............................................................................................4-15
Nesting of Vectored Interrupts .........................................................................................................4-15
Instruction Pointer (IP).....................................................................................................................4-15
Fast Interrupt Processing.................................................................................................................4-16
Chapter 6
Instruction Set
Overview .................................................................................................................................................6-1
Data Types......................................................................................................................................6-1
Register Addressing ........................................................................................................................6-1
Addressing Modes ...........................................................................................................................6-1
Flags Register (FLAGS) ..................................................................................................................6-6
Flag Descriptions.............................................................................................................................6-7
Instruction Set Notation ...................................................................................................................6-8
Condition Codes ..............................................................................................................................6-12
Instruction Descriptions ...................................................................................................................6-13
vi S3C852B/P852B MICROCONTROLLER
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P852B pdf, datenblatt
Figure
Number
4-1
5-1
5-2
5-3
5-4
5-5
5-6
5-7
5-8
5-9
6-1
7-1
7-2
7-3
7-4
7-5
7-6
9-1
9-2
9-3
9-4
9-5
9-6
9-7
9-8
9-9
9-10
9-11
9-12
9-13
9-14
9-15
9-16
9-17
9-18
9-19
9-20
9-21
9-22
9-23
List of Figures (Continued)
Title
Page
Number
Register Description Format ...................................................................................4-4
SAM8-Series Interrupt Types..................................................................................5-2
S3C852B Interrupt Structure...................................................................................5-3
Vector Address Area in Program Memory (ROM) ...................................................5-4
Interrupt Function Diagram .....................................................................................5-7
System Mode Register (SYM) ................................................................................5-8
Interrupt Mask Register (IMR).................................................................................5-9
Interrupt Request Priority Groups ...........................................................................5-10
Interrupt Priority Register (IPR)...............................................................................5-11
Interrupt Request Register (IRQ) ............................................................................5-12
System Flags Register (FLAGS).............................................................................6-6
Crystal Oscillator ....................................................................................................7-2
Crystal Oscillator ....................................................................................................7-2
System Clock Circuit Diagram ................................................................................7-3
System Clock Control Register (CLKCON) .............................................................7-4
Oscillator Control Register (OSCCON) ...................................................................7-5
STOP Control Register (STPCON) .........................................................................7-7
S3C852B I/O Port Data Register Format ................................................................9-3
Port 0 Control Register (P0CONH) .........................................................................9-5
Port 0 Control Register (P0CONL)..........................................................................9-5
Port 0 Interrupt Enable Register (P0INT) ................................................................9-6
Port 0 Interrupt Pending Register (P0PND).............................................................9-6
Port 0 Interrupt State Register (P0STA)..................................................................9-6
Port 1 High-Byte Control Register (P1CONH) .........................................................9-8
Port 1 Low-Byte Control Register (P1CONL) ..........................................................9-8
Port 1 Alternative Function Select Register (P1AFS) ..............................................9-9
Port 2 Control Register (P2CON)............................................................................9-10
Port 3 Control Register (P3CON)............................................................................9-12
Port 3 Alternative Function Select Register (P3AFS) ..............................................9-12
Port 4 Control Register (P4CON)............................................................................9-13
Port 5 Control Register (P5CON)............................................................................9-14
Port 6 Control Register (P6CON)............................................................................9-15
Port 7 High-Byte Control Register (P7CONH) .........................................................9-16
Port 7 Low-Byte Control Register (P7CONL) ..........................................................9-16
Port 8 High-Byte Control Register (P8CONH) .........................................................9-17
Port 8 Low-Byte Control Register (P8CONL) ..........................................................9-17
Port 9 High-Byte Control Register (P9CONH) .........................................................9-18
Port 9 Low-Byte Control Register (P9CONL) ..........................................................9-18
Port 10 High-Byte Control Register (P10CONH) .....................................................9-19
Port 10 Low-Byte Control Register (P10CONL).......................................................9-19
xii S3C852B/P852B MICROCONTROLLER
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