ARM PrimeCell™®
UART (PL011)
Technical Reference Manual
Copyright © 2000, 2001 ARM Limited. All rights reserved.
ARM DDI 0183E
ARM PrimeCell™
Technical Reference Manual
Copyright © 2000, 2001 ARM Limited. All rights reserved.
Release Information
The following changes have been made to this document.
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Change history |
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Date |
Issue |
Change |
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July 12th 2000 |
A |
First release |
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August 18th 2000 |
B |
Change to signal names in Fig 2-1, changes to bits in Figs 4-1, 4-3. |
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February 9th 2001 |
C |
Change to Figure 2-7. Note added to para 3.3.6. |
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February 15th 2001 |
D |
Text change to pages 2-9, and 2-12. |
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December 14th 2001 |
E |
Text changes to pages 3-13, 3-14, and 3-17. |
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Proprietary Notice
Words and logos marked with ® or ™ are registered trademarks or trademarks owned by ARM Limited, 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 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 Open Access. This document has no restriction on distribution.
Product Status
The information in this document is final (information on a developed product).
Web Addresshttp://www.arm.com
ii |
Copyright © 2000, 2001 ARM Limited. All rights reserved. |
ARM DDI 0183E |
Contents
ARM PrimeCell Technical Reference Manual
Preface
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About this document ...................................................................................... |
vi |
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Further reading ............................................................................................ |
viii |
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Feedback ....................................................................................................... |
ix |
Chapter 1 |
Introduction |
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1.1 |
About the ARM PrimeCell UART (PL011) ................................................... |
1-2 |
Chapter 2 |
Functional Overview |
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2.1 |
PrimeCell UART overview ........................................................................... |
2-2 |
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2.2 |
PrimeCell UART functional description ....................................................... |
2-4 |
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2.3 |
IrDA SIR ENDEC functional description ...................................................... |
2-8 |
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2.4 |
PrimeCell UART operation ........................................................................ |
2-10 |
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2.5 |
PrimeCell UART modem operation ........................................................... |
2-17 |
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2.6 |
PrimeCell UART hardware flow control ..................................................... |
2-18 |
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2.7 |
PrimeCell UART DMA interface ................................................................ |
2-20 |
Chapter 3 |
Programmer’s Model |
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3.1 |
About the programmer’s model ................................................................... |
3-2 |
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3.2 |
Summary of PrimeCell UART registers ....................................................... |
3-3 |
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3.3 |
Register descriptions .................................................................................. |
3-5 |
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3.4 |
Interrupts ................................................................................................... |
3-29 |
ARM DDI 0183E |
Copyright © 2000, 2001 ARM Limited. All rights reserved. |
iii |
Contents
Chapter 4 |
Programmer’s Model for Test |
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4.1 |
PrimeCell UART test harness overview |
..................................................... 4-2 |
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4.2 |
Scan testing ................................................................................................ |
4-3 |
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4.3 |
Test registers .............................................................................................. |
4-4 |
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4.4 |
Integration testing of block inputs ............................................................. |
4-10 |
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4.5 |
Integration testing of block outputs ........................................................... |
4-12 |
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4.6 |
Integration test summary .......................................................................... |
4-15 |
Appendix A |
ARM PrimeCell UART (PL011) Signal Descriptions |
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A.1 |
AMBA APB signals ..................................................................................... |
A-2 |
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A.2 |
On-chip signals ........................................................................................... |
A-3 |
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A.3 |
Signals to pads ........................................................................................... |
A-5 |
iv |
Copyright © 2000, 2001 ARM Limited. All rights reserved. |
ARM DDI 0183E |