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ARM DMA Controller (PL080)
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Copyright © 2000-2001, 2003-2005 ARM Limited. All rights reserved.
ARM DDI 0196G
PrimeCell
®
DMA Controller (PL080)
Revision: r1p3
Technical Reference Manual
ii Copyright © 2000-2001, 2003-2005 ARM Limited. All rights reserved. ARM DDI 0196G
PrimeCell DMA Controller (PL080)
Technical Reference Manual
Copyright © 2000-2001, 2003-2005 ARM Limited. All rights reserved.
Release Information
The following changes have been made to this document.
Proprietary Notice
Words and logos marked with
®
or
™
are registered trademarks or trademarks of ARM Limited in the EU and
other countries, except as otherwise stated below in this proprietary notice. Other brands and names
mentioned herein may be the trademarks of their respective owners.
Neither the whole nor any part of the information contained in, or the product described in, this document
may be adapted or reproduced in any material form except with the prior written permission of the copyright
holder.
The product described in this document is subject to continuous developments and improvements. All
particulars of the product and its use contained in this document are given by ARM Limited in good faith.
However, all warranties implied or expressed, including but not limited to implied warranties of
merchantability, or fitness for purpose, are excluded.
This document is intended only to assist the reader in the use of the product. ARM Limited shall not be liable
for any loss or damage arising from the use of any information in this document, or any error or omission in
such information, or any incorrect use of the product.
Confidentiality Status
This document is Non-Confidential. The right to use, copy and disclose this document may be subject to
license restrictions in accordance with the terms of the agreement entered into by ARM and the party that
ARM delivered this document to.
Change history
Date Issue Confidentiality Change
November 2000 A Non-Confidential First issue, release 1v0.
April 2001 B Non-Confidential Second issue, release 1v0.
July 2001 C Non-Confidential Third issue, release 1v0.
January 2003 D Non-Confidential Incorporation of errata, clarification of endian behavior, and
addition of software considerations for release r1p1.
November 2003 E Non-Confidential Changes for r1p2. Incorporation of errata.
31 August 2004 F Non-Confidential First issue for r1p3.
20 December 2005 G Non-Confidential Incorporation of errata, corrected bit descriptions in Integration
Test Output Register 3 on page 4-6.
ARM DDI 0196G Copyright © 2000-2001, 2003-2005 ARM Limited. All rights reserved. iii
Product Status
The information in this document is final, that is for a developed product.
Web Address
http://www.arm.com
iv Copyright © 2000-2001, 2003-2005 ARM Limited. All rights reserved. ARM DDI 0196G
ARM DDI 0196G Copyright © 2000-2001, 2003-2005 ARM Limited. All rights reserved. v
Contents
PrimeCell DMA Controller (PL080) Technical
Reference Manual
Preface
About this manual ........................................................................................ xiv
Feedback ................................................................................................... xviii
Chapter 1 Introduction
1.1 About the DMAC ......................................................................................... 1-2
1.2 Product revisions ........................................................................................ 1-4
Chapter 2 Functional Overview
2.1 Functional description ................................................................................. 2-2
2.2 System considerations .............................................................................. 2-12
2.3 System connectivity .................................................................................. 2-13
2.4 Software considerations ............................................................................ 2-18
2.5 Use with memory management unit based systems ................................. 2-21
Chapter 3 Programmer’s Model
3.1 About the programmer’s model ................................................................... 3-2
3.2 Programming the DMAC ............................................................................. 3-3
3.3 Summary of registers .................................................................................. 3-6
3.4 Register descriptions ................................................................................ 3-10
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