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T89C51SND1 - Single Chip Microcontroller

Description

The T8xC51SND1 product 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 T89C51SND1 includes 64 Kbytes of FLASH memory and allows In System Programming through an embedded 4 Kbytes of Boot FLASH Memory.

Features

  • MPEGI/II-Layer 3 Hardwired Decoder.
  • Stand-alone MP3 decoder.
  • 48, 44.1, 32, 24, 22.05, 16 KHz sampling freq.
  • 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 avail.

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Full PDF Text Transcription

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1. Features • MPEGI/II-Layer 3 Hardwired Decoder – Stand-alone MP3 decoder – 48, 44.1, 32, 24, 22.05, 16 KHz sampling freq. – 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 available on the market – 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: T89C51SND1, ROM: T83C51SND1 4 Kbytes of Boot Flash Memory (T89C51SND1) – ISP: download from USB or UART to any external memory cards USB Rev 1.
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