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Part Number: AT8xC51SND1A

 

 

 

 

Description: The AT8xC51SND1A is a fully integrated stand-alone hardwired MPEGI/II-Layer 3 decoder with a C51 micro...


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AT8xC51SND1A General Description


The AT8xC51SND1A is a fully integrated stand-alone hardwired MPEGI/II-Layer 3 decoder with a C51 microcontroller core handling data flow and MP3-player control.

The AT89C51SND1A includes 64 Kbytes of Flash memory and allows In-System Programming through an embedded 4 Kbytes of Boot Flash Memory.

AT8xC51SND1A Features

• MPEGI/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
• 64 Kbytes of Code Memory
  Flash: AT89C51SND1A, ROM: AT83C51SND1A
• 4 Kbytes of Boot Flash Memory (AT89C51SND1A)
  ISP: Download from USB or UART to any External Memory Cards

AT8xC51SND1A Typical Application

• MP3 Player
• PDA, Camera, Mobile Phone MP3
• Car Audio/Multimedia MP3
• Home Audio/Multimedia MP3

AT8xC51SND1A Connection Diagram

AT8xC51SND1A  Connection Diagram

AT8xC51SND1A datasheet

AT8
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