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ATJ2085 is a single-chip for flash-based digital music player

  • Manufacturer :
  • Package/Case :
  • TQFP64
  • Product Categories :
  • Integrated Circuits (ICs)
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 1


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ATJ2085 Product Details

[Actions Semiconductor Co., Ltd]

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.


MPEG1/2/2.5 Audio Layer 1, 2, 3 decoder
Support WMA Decoder
Digital Voice Recording with Actions Speech Algorithm
24 bits DSP Core with memory and on-chip Debug Support Unit (DSU)
Integrated 8-bit MCU with DSU
External up to 2(cs) x 64M/128M/256M/512M/1G/2G bytes Nand type Flash accessed by MCU or DMA
Built-in DMA, CTC (Counter/Timer Controller) and interrupt controller for MCU
Energy saving dynamic power management (PMU)
Support USB 2.0(FS), Write speed(Max): 955k byte/s; Read speed(Max): 1033k byte/s
Build in Stereo 18-bit Sigma-Delta DAC
Build in Key Scan Circuit (3*3) and GPIO
I²C interface supports Master/Slave mode, with changeable slave address
Support external 8080 Interface LCM driver
Support FM Radio input and 32 levels volume control
Support Stereo 16-bit Sigma-Delta ADC for Microphone/FM Input, sample rate at 8/12/16/22/24/32/48KHz
MCU run at 24.576MHz(TYP), up to 60MHz
Headphone driver output 2x11mW @16 Ohm(TYP)
Operating Voltage: IO: 3.0V(TYP), Core: 2.0V(TYP)
Standby Leakage Current: VCC: 35uA@3.0V(TYP) , VDD: 110uA@2.0V(TYP)
Low Power Consumption, designed for greater than 15 (TYP) hours of operation on a single battery life. (<65mW at typical MP3 decoder solution; <90mW at typical WMA decoder solution)
64-pin (10x10mm) LQFP package

Technical Parameters

  • Manufacturer
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free / RoHS Compliant
  • Package/Case
  • TQFP64

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  • **vi O***

    AAA+++++ great!!! fast shipping!!

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Estimated Delivery Time: Dec 13 - Dec 18 days (choose Expedited at checkout).

Shipping & Payment


  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that ATJ2085 is the original manufacturer or agent of ATJ/ACTION?
We have a professional business development department to strictly test and verify the qualifications of ATJ/ACTION original manufacturers and agents. All ATJ/ACTION suppliers must pass the qualification review before they can publish their ATJ2085 devices; we pay more attention to the channels and quality of ATJ2085 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of ATJ2085 chips? Including ATJ/ACTION original factory information, application, ATJ2085 pictures?
You can use Jotrin's intelligent search engine, or filter by Integrated Circuits (ICs) category, or find it through ATJ/ACTION brand manufacturer page.
Q: Are the ATJ/ACTION's ATJ2085 price and stock displayed on the platform accurate?
The ATJ/ACTION's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for ATJ2085, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of ATJ2085?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ATJ2085 we delivered, we will accept the replacement or return of the ATJ2085 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of ATJ2085.
(3)The ATJ2085 is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as ATJ2085 datasheet pdf, ATJ2085 pin diagram?
Need any After-Sales service, please feel free contact us:

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