CoreLink DMA-330 DMA Controller
™
Revision: r1p2
Technical Reference Manual
Copyright © 2007, 2009-2010, 2012 ARM. All rights reserved.
ARM DDI 0424D (ID072812)
CoreLink DMA-330 DMA Controller
Technical Reference Manual
Copyright © 2007, 2009-2010, 2012 ARM. All rights reserved.
Release Information
The following changes have been made to this book.
Change history
Date
19 December 2007
19 November 2009
22 July 2010
29 June 2012
Issue
A
B
C
D
Confidentiality
Non-Confidential
Non-Confidential
Non-Confidential
Non-Confidential
Change
First issue for r0p0
First issue for r1p0
First issue for r1p1
First issue for r1p2.
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The product described in this document is subject to continuous developments and improvements. All particulars of the
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document to.
Product Status
The information in this document is final, that is for a developed product.
Web Address
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ARM DDI 0424D
ID072812
Copyright © 2007, 2009-2010, 2012 ARM. All rights reserved.
Non-Confidential
ii
Contents
CoreLink DMA-330 DMA Controller Technical
Reference Manual
Preface
About this book ........................................................................................................... vi
Feedback ..................................................................................................................... x
Chapter 1
Introduction
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
About the DMAC ...................................................................................................... 1-2
Compliance .............................................................................................................. 1-4
Features ................................................................................................................... 1-5
Interfaces ................................................................................................................. 1-6
Configurable options ................................................................................................ 1-7
Test features ............................................................................................................ 1-8
Product documentation, design flow, and architecture ............................................ 1-9
Product revisions ................................................................................................... 1-11
Terminology ........................................................................................................... 1-12
Chapter 2
Functional Overview
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
Overview .................................................................................................................. 2-2
DMAC interfaces ...................................................................................................... 2-4
Operating states ...................................................................................................... 2-8
Initializing the DMAC ............................................................................................. 2-11
Using the APB slave interfaces ............................................................................. 2-13
Peripheral request interface ................................................................................... 2-15
Using events and interrupts ................................................................................... 2-23
Aborts .................................................................................................................... 2-25
Security usage ....................................................................................................... 2-29
Constraints and limitations of use .......................................................................... 2-33
Programming restrictions ....................................................................................... 2-35
Copyright © 2007, 2009-2010, 2012 ARM. All rights reserved.
Non-Confidential
iii
ARM DDI 0424D
ID072812
Contents
Chapter 3
Programmers Model
3.1
3.2
3.3
About this programmers model ................................................................................ 3-2
Register summary .................................................................................................... 3-5
Register descriptions ............................................................................................. 3-11
Chapter 4
Instruction Set
4.1
4.2
4.3
4.4
Instruction syntax conventions ................................................................................. 4-2
Instruction set summary ........................................................................................... 4-3
Instructions .............................................................................................................. 4-4
Assembler directives .............................................................................................. 4-21
Appendix A
Signal Descriptions
A.1
A.2
A.3
A.4
A.5
A.6
Clocks and resets ....................................................................................................
AXI signals ...............................................................................................................
APB signals .............................................................................................................
Peripheral request interface .....................................................................................
Interrupt signals .......................................................................................................
Tie-off signals ..........................................................................................................
A-2
A-3
A-6
A-7
A-8
A-9
Appendix B
MFIFO Usage Overview
B.1
B.2
B.3
B.4
About MFIFO usage overview .................................................................................
Aligned transfers ......................................................................................................
Unaligned transfers ..................................................................................................
Fixed transfers .........................................................................................................
B-2
B-3
B-5
B-9
Appendix C
Revisions
ARM DDI 0424D
ID072812
Copyright © 2007, 2009-2010, 2012 ARM. All rights reserved.
Non-Confidential
iv
Preface
This preface introduces the
CoreLink
™
DMA-330 DMA Controller Technical Reference Manual.
It contains the following sections:
•
About this book
on page vi.
•
Feedback
on page x.
ARM DDI 0424D
ID072812
Copyright © 2007, 2009-2010, 2012 ARM. All rights reserved.
Non-Confidential
v
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