S3C8278 View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

S3C8278

8-BIT CMOS MICROCONTROLLERS

Samsung 

Table of Contents (Continued)

Chapter 4

Control Registers

Overview .............................................................................................................................................4-1

Chapter 5

Interrupt Structure

Overview .............................................................................................................................................5-1

Interrupt Types ............................................................................................................................5-2

S3C8275/C8278/C8274 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

vi

S3C8275/F8275/C8278/F8278/C8274/F8274 MICROCONTROLLER

Share Link: