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AT89C51SND1C

AT89C51SND1C 特性

• 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)
  – AT83SND1C: ROM
• 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

AT89C51SND1C 概述

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 应用技术支持与电子电路设计开发资源下载

1. AT89C51SND1C 数据资料 DataSheet 下载. PDF
2. AT89C51SND1C 数据手册DataSheet 下载. PDF
3. 《新闻报道》Atmel 新的單周期8051核心帶來顯著的性能提高與低能耗