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What is ATJ2085?

This electronic component, produced by the manufacturer "Actions Semiconductor", performs the same function as "AUDIO PROCESSOR".


ATJ2085 Datasheet PDF - Actions Semiconductor

Part Number ATJ2085
Description AUDIO PROCESSOR
Manufacturers Actions Semiconductor 
Logo Actions Semiconductor Logo 


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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

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ATJ2085 equivalent
ATJ2085
1. Description
DATA SHEET
Actions
ATJ2085 is a single-chip for flash-based digital music player. It includes an audio decoder with a
high performance DSP, ADPCM record capabilities and USB interface for downloading music and
uploading voice recordings. ATJ2085 also provides an interface to flash memory, LED, button and
switch inputs, headphone, and microphone, and FM radio input and control. ATJ2085’s
programmable architecture supports the MP3, WMA and other digital audio standards. For
devices like USB-Disk, ATJ2085 can act as a USB mass storage slave device to personal
computer system. Its low power consumption allows a long battery life, and an efficient flexible
on-chip DC-DC converter allows many different battery configurations, including 1xAA, 1xAAA,
2xAA, 2xAAA and Li-Ion. Built-in Sigma-Delta DAC & a headphone driver to directly drive low
impedance headphones. The ADC includes inputs for both Microphone and Analog Audio in to
support voice recording and FM radio integration features. Thus, the ATJ2085 provides a true
‘ALL-IN-ONE’ solution that is ideally suited for highly optimized digital audio players with mass
storage function.
2. Features
¾ MPEG1/2/2.5 Audio Layer 1, 2, 3 decoder
¾ Support WMA Decoder
¾ Digital Voice Recording with Actions Speech Algorithm
¾ 24 bits DSP Core with memory and on-chip Debug Support Unit (DSU)
¾ Integrated 8-bit MCU with DSU
¾ External up to 2(cs) x 64M/128M/256M/512M/1G/2G bytes Nand type Flash accessed by MCU or
DMA
¾ Built-in DMA, CTC (Counter/Timer Controller) and interrupt controller for MCU
¾ Energy saving dynamic power management (PMU)
¾ Support USB 2.0 FS , Write speed(Max): 955k byte/s; Read speed(Max): 1033k byte/s
¾ Build in Stereo 18-bit Sigma-Delta DAC
¾ Build in Key Scan Circuit (3*3) and GPIO
¾ I²C interface supports Master/Slave mode, with changeable slave address
¾ Support external 8080 Interface LCM driver
¾ Support FM Radio input and 32 levels volume control
¾ Support Stereo 16-bit Sigma-Delta ADC for Microphone/FM Input, sample rate at
Copyright © 2004 Actions Semiconductor Co., Ltd. All rights reserved.
VER 1.5
Page 4
WWW.MP3JS.COM.CN
8/18/2004


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ATJ2085 electronic component.


Information Total 30 Pages
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Part NumberDescriptionMFRS
ATJ2085The function is AUDIO PROCESSOR. Actions SemiconductorActions Semiconductor

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