S3C2410X英文技术手册

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21.2-S3-C2410X-052003

USER'S MANUAL

S3C2410X

32-Bit RISC

Microprocessor

Revision 1.2

S3C2410X

32-BIT RISC

MICROPROCESSOR

USER'S MANUAL

Revision 1.2

Important Notice

The information in this publication has been

carefully checked and is believed to be entirely

accurate at the time of publication. Samsung

assumes no responsibility, however, for possible

errors or omissions, or for any consequences

resulting from the use of the information contained

herein.

Samsung reserves the right to make changes in its

products or product specifications with the intent to

improve function or design at any time and without

notice and is not required to update this

documentation to reflect such changes.

This publication does not convey to a purchaser of

semiconductor devices described herein any license

under the patent rights of Samsung or others.

Samsung makes no warranty, representation, or

guarantee regarding the suitability of its products for

any particular purpose, nor does Samsung assume

any liability arising out of the application or use of

any product or circuit and specifically disclaims any

and all liability, including without limitation any

consequential or incidental damages.

"Typical" parameters can and do vary in different

applications. All operating parameters, including

"Typicals" must be validated for each customer

application by the customer's technical experts.

Samsung products are not designed, intended, or

authorized for use as components in systems

intended for surgical implant into the body, for other

applications intended to support or sustain life, or for

any other application in which the failure of the

Samsung product could create a situation where

personal injury or death may occur.

Should the Buyer purchase or use a Samsung

product for any such unintended or unauthorized

application, the Buyer shall indemnify and hold

Samsung and its officers, employees, subsidiaries,

affiliates, and distributors harmless against all

claims, costs, damages, expenses, and reasonable

attorney fees arising out of, either directly or

indirectly, any claim of personal injury or death that

may be associated with such unintended or

unauthorized use, even if such claim alleges that

Samsung was negligent regarding the design or

manufacture of said product.

S3C2410X 32-Bit RISC Microprocessor

User's Manual, Revision 1.2

Publication Number: 21.2-S3-C2410X-052003

 2003 Samsung Electronics

any form or by any means, electric or mechanical, by photocopying, recording, or otherwise, without the prior

written consent of Samsung Electronics.

Samsung Electronics' microcontroller business has been awarded full ISO-9001

certification (BSI Certificate No. FM24653). All semiconductor products are designed

and manufactured in accordance with the highest quality standards and objectives.

Samsung Electronics Co., Ltd.

San #24 Nongseo-Ri, Giheung- Eup

Yongin-City, Gyeonggi-Do, Korea

C.P.O. Box #37, Suwon 449-900

TEL: (82)-(031)-209-1934

FAX: (82)-(031)-209-1899

Home Page: http://www.samsungsemi.com

Printed in the Republic of Korea

S3C2410X MICROPROCESSOR iii

Table of Contents

Chapter 1 Product Overview

Introduction..............................................................................................................................................1-1

Features ..................................................................................................................................................1-2

Block Diagram.........................................................................................................................................1-5

Pin Assignments......................................................................................................................................1-6

Signal Descriptions..........................................................................................................................1-20

S3C2410X Special Registers...........................................................................................................1-25

Chapter 2 Programmer's Model

Overview.................................................................................................................................................2-1

Processor Operating States.............................................................................................................2-1

Switching State ...............................................................................................................................2-1

Memory Formats.............................................................................................................................2-1

Big-Endian Format ..........................................................................................................................2-2

Little-Endian Format........................................................................................................................2-2

Instruction Length............................................................................................................................2-2

Operating Modes.............................................................................................................................2-3

Registers.........................................................................................................................................2-3

The Program Status Registers.........................................................................................................2-7

Exceptions ......................................................................................................................................2-10

Interrupt Latencies...........................................................................................................................2-15

Reset...............................................................................................................................................2-15

iv S3C2410X MICROPROCESSOR

Table of Contents (Continued)

Chapter 3 ARM Instruction Set

Instruction Set Summay.......................................................................................................................... 3-1

Format Summary ........................................................................................................................... 3-1

Instruction Summary....................................................................................................................... 3-2

The Condition Field................................................................................................................................. 3-4

Branch and Exchange (BX)..................................................................................................................... 3-5

Instruction Cycle Times .................................................................................................................. 3-5

Assembler Syntax........................................................................................................................... 3-5

Using R15 As An Operand.............................................................................................................. 3-5

Branch and Branch With Link (B, BL)...................................................................................................... 3-7

The Link Bit .................................................................................................................................... 3-7

Instruction Cycle Times .................................................................................................................. 3-7

Assembler Syntax........................................................................................................................... 3-8

Data Processing...................................................................................................................................... 3-9

Cpsr Flags...................................................................................................................................... 3-11

Shifts.............................................................................................................................................. 3-12

Immediate Operand Rotates........................................................................................................... 3-16

Writing to R15 ................................................................................................................................ 3-16

Using R15 As an Operandy ............................................................................................................ 3-16

TEQ, TST, CMP and CMN Opcodes............................................................................................... 3-16

Instruction Cycle Times .................................................................................................................. 3-16

Assembler Syntax........................................................................................................................... 3-17

Examples ....................................................................................................................................... 3-17

PSR Transfer (MRS, MSR)..................................................................................................................... 3-18

Operand Restrictions...................................................................................................................... 3-18

Reserved Bits................................................................................................................................. 3-20

Examples ....................................................................................................................................... 3-20

Instruction Cycle Times .................................................................................................................. 3-20

Assembly Syntax............................................................................................................................ 3-21

Examples ....................................................................................................................................... 3-21

Multiply and Multiply-Accumulate (MUL, MLA)........................................................................................ 3-22

CPSR Flags.................................................................................................................................... 3-24

Instruction Cycle Times .................................................................................................................. 3-24

Assembler Syntax........................................................................................................................... 3-24

Examples ....................................................................................................................................... 3-24

Multiply Long and Multiply-Accumulate Long (MULL, MLAL)................................................................... 3-25

Operand Restrictions...................................................................................................................... 3-26

Cpsr Flags...................................................................................................................................... 3-26

Instruction Cycle Times .................................................................................................................. 3-26

Assembler Syntax........................................................................................................................... 3-27

Examples ....................................................................................................................................... 3-27

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