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Actions Semiconductor
Actions Semiconductor

ATJ2085 Datasheet

AUDIO PROCESSOR


ATJ2085 Datasheet Preview


ATJ2085
DATA SHEET
Actions
ATJ 2085
PRODUCT DATA SHEET
(Version 1.5 08/2004)
Actions Semiconductor Co., Ltd
Copyright © 2004 Actions Semiconductor Co., Ltd. All rights reserved.
VER 1.5
Page 0
WWW.MP3JS.COM.C
8/18/2004
Page 1

ATJ2085
DATA SHEET
Actions
Declaration
All contents of this document are protected by copyright law and reproduction in whole or in part is
prohibited without the prior written consent of Actions Semiconductor Co., Ltd. Other product
names used in this publication are for identification purposes only and may be trademarks or
registered trademarks of their respective companies.
The information presented in this document does not form part of any quotation or contract, is
believed to be accurate and reliable. Actions Semiconductor Co., Ltd. reserves the right to make
changes to specifications and product descriptions at any time without notice, and to discontinue
or make changes to its products at any time without notice. Actions Semiconductor Co., Ltd.
specifically disclaims any and all liability for any consequence of the application or use of any
product or circuit. Publication thereof does not convey nor imply any license under patent or other
industrial or intellectual property rights.
Actions Semiconductor Co., Ltd. is one of Licensee of Thomson Licensing S.A. and is approved
to distribute these semiconductor devices using MPEG Layer-3 (“mp3”) coding technology (“mp3
decoder chips”) by Thomson Licensing S.A. Supply of this product does not convey a license nor
imply any right to distribute content created with this product in revenue-generating broadcast
systems (terrestrial, satellite, cable and/or other distribution channels), streaming applications (via
Internet, intranets and/or other networks), other content distribution systems (pay-audio or
audio-on-demand applications and the like) or on physical media (compact discs, digital versatile
discs, semiconductor chips, hard drives, memory cards and the like). An independent license for
such use is required. For details, please visit http://mp3licensing.com.
Actions Semiconductor Co., Ltd. is one of Licensee of Microsoft Licensing, GP. Actions
Semiconductor Co., Ltd. is approved to distribute these semiconductor devices using Windows
Media Audio (“wma”) coding technology (“wma codec chips”) by Microsoft Licensing, GP. This
product includes technology owned by Microsoft Corporation and cannot be used or distributed
without a license from Microsoft Licensing, GP.
ADDITIONAL SUPPORT
Additional product and company information can be obtained by going to the Actions website at:
www.actions.com.cn.
Copyright © 2004 Actions Semiconductor Co., Ltd. All rights reserved.
VER 1.5
Page 1
WWW.MP3JS.COM.CN
8/18/2004
Page 2

ATJ2085
DATA SHEET
Actions
CONTENTS
Declaration ................................................................................................................................................1
CONTENTS............................................................................................................................................... 2
1. Description ............................................................................................................................................4
2. Features ................................................................................................................................................4
3. Pin Description ......................................................................................................................................6
3.1 Pin Sort by Number .....................................................................................................................6
4. Function Description ...........................................................................................................................10
4.1 Functional Block Diagram..........................................................................................................10
4.2 MCU Core .................................................................................................................................. 11
4.3 DSP Core................................................................................................................................... 11
4.4 DMA Controller .......................................................................................................................... 11
4.5 General Purpose IO Ports ......................................................................................................... 11
4.6 RTC/CTC/Watch Dog Timer......................................................................................................13
4.7 Oscillator/PLL.............................................................................................................................13
4.8 Power Management Unit (PMU)................................................................................................14
4.9 ADC............................................................................................................................................15
4.10 DAC..........................................................................................................................................16
4.11 Headphone Driver ....................................................................................................................17
4.13 External Memory Interface ......................................................................................................17
4.14 I2C Interface ............................................................................................................................18
4.15 USB 2.0(FS) SIE......................................................................................................................19
4.15.1 Hard Core ......................................................................................................................20
4.15.2 Interrupts........................................................................................................................20
4.16 FM Interface.............................................................................................................................20
5. Electrical Characteristics.....................................................................................................................20
5.1 Absolute Maximum Ratings .......................................................................................................20
5.2 Capacitance ...............................................................................................................................21
5.3 DC Characteristics.....................................................................................................................21
5.4 AC Characteristics .....................................................................................................................22
5.4.1 AC test input waveform ...................................................................................................22
Copyright © 2004 Actions Semiconductor Co., Ltd. All rights reserved.
VER 1.5
Page 2
WWW.MP3JS.COM.CN
8/18/2004
Page 3
Part Number ATJ2085
Manufactur Actions Semiconductor
Description AUDIO PROCESSOR
Total Page 30 Pages
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