Products > Integrated Circuits (ICs) > Embedded Processors & Controllers > AT89C51SND1C-IL

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Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface

  • Package/Case :
  • TQFP-80
  • Product Categories :
  • Embedded Processors & Controllers
  • RoHs Status:
  • Lead free/RoHS Compliant
  • Marking Code:
  • 89C51SND1C-IL
  • In-stock:
  • 2500


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AT89C51SND1C-IL Product Details


• MPEG I/II-Layer 3 Hardwired Decoder 

– Stand-alone MP3 Decoder 

– 48, 44.1, 32, 24, 22.05, 16 kHz Sampling Frequency 

– Separated Digital Volume Control on Left and Right Channels (Software Control using 31 Steps) 

– Bass, Medium, and Treble Control (31 Steps) 

– Bass Boost Sound Effect 

– Ancillary Data Extraction 

– CRC Error and MPEG Frame Synchronization Indicators 

• Programmable Audio Output for Interfacing with Common Audio DAC 

– PCM Format Compatible 

– I2S Format Compatible 

• 8-bit MCU C51 Core Based (FMAX = 20 MHz) 

• 2304 Bytes of Internal RAM 

• 64K Bytes of Code Memory 

– AT89C51SND1C: Flash (100K Erase/Write Cycles) 


• 4K Bytes of Boot Flash Memory (AT89C51SND1C) 

– ISP: Download from USB (standard) or UART (option) 

• External Code Memory 

– AT80C51SND1C: ROMless 

• USB Rev 1.1 Controller 

– Full Speed Data Transmission 

• Built-in PLL 

– MP3 Audio Clocks 

– USB Clock 

• MultiMedia Card® Interface Compatibility 

• Atmel DataFlash® SPI Interface Compatibility 

• IDE/ATAPI Interface 

• 2 Channels 10-bit ADC, 8 kHz (8-true bit) 

– Battery Voltage Monitoring 

– Voice Recording Controlled by Software 

• Up to 44 Bits of General-purpose I/Os 

– 4-bit Interrupt Keyboard Port for a 4 x n Matrix 

– SmartMedia® Software Interface 

• 2 Standard 16-bit Timers/Counters 

• Hardware Watchdog Timer 

• Standard Full Duplex UART with Baud Rate Generator 

• Two Wire Master and Slave Modes Controller 

• SPI Master and Slave Modes Controller 

• Power Management 

– Power-on Reset 

– Software Programmable MCU Clock 

– Idle Mode, Power-down Mode 

• Operating Conditions: 

– 3V, ±10%, 25 mA Typical Operating at 25°C 

– Temperature Range: -40°C to +85°C 

• Packages 

– TQFP80, BGA81, PLCC84 (Development Board) 

– Dice 


The AT8xC51SND1C are fully integrated stand-alone hardwired MPEG I/II-Layer 3 decoder with a C51 microcontroller core handling data flow and MP3-player control.

The AT89C51SND1C includes 64K Bytes of Flash memory and allows In-System Programming through an embedded 4K Bytes of Boot Flash memory.

The AT83SND1C includes 64K Bytes of ROM memory.

The AT80C51SND1C does not include any code memory.

The AT8xC51SND1C include 2304 Bytes of RAM memory.

The AT8xC51SND1C provides the necessary features for human interface like timers, keyboard port, serial or parallel interface (USB, TWI, SPI, IDE), ADC input, I2S output, and all external memory interface (NAND or NOR Flash, SmartMedia, MultiMedia, DataFlash cards). 


AT89C51SND1C-IL Pinout
(Picture: Pinout)

AT89C51SND1C-IL Block Diagram
(Picture: Diagram)

Technical Parameters

  • Manufacturer
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free/RoHS Compliant
  • Package/Case
  • TQFP-80

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Estimated Delivery Time: Feb 02 - Feb 07 days (choose Expedited at checkout).

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  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
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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 AT89C51SND1C-IL is the original manufacturer or agent of ATMEL?
We have a professional business development department to strictly test and verify the qualifications of ATMEL original manufacturers and agents. All ATMEL suppliers must pass the qualification review before they can publish their AT89C51SND1C-IL devices; we pay more attention to the channels and quality of AT89C51SND1C-IL products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of AT89C51SND1C-IL chips? Including ATMEL original factory information, application, AT89C51SND1C-IL pictures?
You can use Jotrin's intelligent search engine, or filter by Embedded Processors & Controllers category, or find it through ATMEL Corporation (Microchip Technology) Information page.
Q: Are the ATMEL's AT89C51SND1C-IL price and stock displayed on the platform accurate?
The ATMEL's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for AT89C51SND1C-IL, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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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.
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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 AT89C51SND1C-IL?
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 AT89C51SND1CIL we delivered, we will accept the replacement or return of the AT89C51SND1C-IL 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 AT89C51SND1C-IL.
(3)The AT89C51SND1C-IL 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 AT89C51SND1C-IL datasheet pdf, AT89C51SND1C pin diagram?
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