Samsung C8249, P8245, P8249, S3C8245 Chapter 4 Control Registers, Chapter 5 Interrupt Structure, Chapter 6 Instruction Set

vi S3C8245/P8245/C8249/P8249 MICROCONTROLLER
Table of Contents (Continued)
Chapter 4 Control Registers
Overview.............................................................................................................................................4-1
Chapter 5 Interrupt Structure
Overview.............................................................................................................................................5-1
Interrupt Types............................................................................................................................5-2
S3C8245/C8249 Interrupt Structure...............................................................................................5-3
Interrupt Vector Addresses...........................................................................................................5-4
Enable/Disable Interrupt Instructions (EI, DI)..................................................................................5-6
System-Level Interrupt Control Registers .......................................................................................5-6
Interrupt Processing Control Points...............................................................................................5-7
Peripheral Interrupt Control Registers ............................................................................................5-8
System Mode Register (SYM)......................................................................................................5-9
Interrupt Mask Register (IMR).......................................................................................................5-10
Interrupt Priority Register (IPR).....................................................................................................5-11
Interrupt Request Register (IRQ)...................................................................................................5-13
Interrupt Pending Function Types..................................................................................................5-14
Interrupt Source Polling Sequence................................................................................................5-15
Interrupt Service Routines.............................................................................................................5-15
Generating Interrupt Vector Addresses..........................................................................................5-16
Nesting Of Vectored Interrupts......................................................................................................5-16
Instruction Pointer (IP).................................................................................................................5-16
Fast Interrupt Processing.............................................................................................................5-16
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