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ACU7503 (ETC) : Total 28 Pages

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ACU7503 Datasheet
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ACU7503PRODUCT DATASHEET
Declaration
Circuit diagrams and other information relating to products of Actions Semiconductor
www.DataSheet4U.com Company, Ltd. (“Actions”) are included as a means of illustrating typical applications.
Consequently, complete information sufficient for construction is not necessarily given.
Although the information has been examined and is believed to be accurate, Actions makes
no representations or warranties with respect to the accuracy or completeness of the
contents of this publication and disclaims any responsibility for inaccuracies. Information in
this document is provided solely to enable use of Actions’ products. The information
presented in this document does not form part of any quotation or contract of sale. Actions
assumes no liability whatsoever, including infringement of any patent or copyright, for sale
and use of Actions’ products, except as expressed in Actions’ Terms and Conditions of Sale
for. All sales of any Actions products are conditional on your agreement of the terms and
conditions of recently dated version of Actions’ Terms and Conditions of Sale agreement
Dated before the date of your order.
This information does not convey to the purchaser of the described semiconductor
devices any licenses under any patent rights, copyright, trademark rights, rights in trade
secrets and/or know how, or any other intellectual property rights of Actions or others,
however denominated, whether by express or implied representation, by estoppel, or
otherwise.
Information Documented here relates solely to Actions products described herein
supersedes, as of the release date of this publication, all previously published data and
specifications relating to such products provided by Actions or by any other person
purporting to distribute such information. Actions reserves the right to make changes to
specifications and product descriptions at any time without notice. Contact your Actions
sales representative to obtain the latest specifications before placing your product order.
Actions product may contain design defects or errors known as anomalies or errata which
may cause the products functions to deviate from published specifications. Anomaly or
“errata” sheets relating to currently characterized anomalies or errata are available upon
request. Designers must not rely on the absence or characteristics of any features or
instructions of Actions’ products marked “reserved” or “undefined.” Actions reserves these
for future definition and shall have no responsibility whatsoever for conflicts or
incompatibilities arising from future changes to them.
Actions’ products are not designed, intended, authorized or warranted for use in any life
support or other application where product failure could cause or contribute to personal
Copyright © Actions Semiconductor Co., Ltd. 2006. All rights reserved.
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2007-1-22



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ACU7503PRODUCT DATASHEET
injury or severe property damage. Any and all such uses without prior written approval of an
Officer of Actions and further testing and/or modification will be fully at the risk of the
customer.
Copies of this document and/or other Actions product literature, as well as the Terms
and Conditions of Sale Agreement, may be obtained by visiting Actions’ website at
http://www.actions-semi.com/ or from an authorized Actions representative. The word
“ACTIONS”, the Actions’ LOGO, whether used separately and/or in combination, and the
phase “ACU7503”, are trademarks of Actions Semiconductor Company, Ltd., Names and
www.DataSheet4U.com
brands of other companies and their products that may from time to time descriptively
appear in this product data sheet are the trademarks of their respective holders; no
affiliation, authorization, or endorsement by such persons is claimed or implied except as
may be expressly stated therein.
ACTIONS DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT
LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE, AND ANY AND
ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE.
IN NO EVENT SHALL ACTIONS BE RELIABLE FOR ANY DIRECT, INCIDENTAL, INDIRECT,
SPECIAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES; OR FOR LOST DATA, PROFITS, SAVINGS
OR REVENUES OF ANY KIND; REGARDLESS OF THE FORM OF ACTION, WHETHER BASED ON
CONTRACT; TORT; NEGLIGENCE OF ACTIONS OR OTHERS; STRICT LIABILITY; BREACH OF
WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY OF BUYER IS HELD TO HAVE
FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER ACTIONS HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES OR NOT.
Additional Support
Additional product and company information can be obtained by visiting the Actions
website at: http://www.actions-semi.com
Copyright © Actions Semiconductor Co., Ltd. 2006. All rights reserved.
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ACU7503PRODUCT DATASHEET
Contents
Declaration ...................................................................................................................... 2
www.DataSheet4U.com
Contents ..........................................................................................................................4
1 Introduction..............................................................................................................6
2 Pin Description ........................................................................................................7
2.1 Pin Assignment .................................................................................................................... 7
2.2 Pin Definition ........................................................................................................................ 8
3 Function Description ............................................................................................ 11
3.1 Functional Block Diagram ................................................................................................11
3.2 MCU Core............................................................................................................................. 11
3.2.1 Internal RAM ..............................................................................................................12
3.2.2 Internal ROM ..............................................................................................................12
3.2.3 External RAM/ROM Access......................................................................................12
3.3 DSP Core .............................................................................................................................12
3.4 Clock Management Unit (CMU)........................................................................................13
3.4.1 HOSC............................................................................................................................ 13
3.5 Power Management Unit (PMU) ......................................................................................13
3.5.1 Voltage Generator......................................................................................................13
3.5.2 Voltage monitor..........................................................................................................13
3.5.3 External Power Supply Controller............................................................................14
3.6 DMA Controller ................................................................................................................... 14
3.7 GPIO and Multifunction Configuration............................................................................14
3.8 USB 2.0 SIE ......................................................................................................................... 14
3.8.1 Features ......................................................................................................................15
3.8.2 USB Using Memory....................................................................................................15
3.9 Nand Flash and SMC Controller.......................................................................................15
3.10 Key Scan Interface.............................................................................................................16
Copyright © Actions Semiconductor Co., Ltd. 2006. All rights reserved.
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2007-1-22





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