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AT85C51SND3

AT85C51SND3 特性

• Audio Processor
  – Proprietary Digital Signal Processor
  – MP3 and WMA Decoders
  – WAV PCM and ADPCM Decoder/Coder with AGC
  – JPEG decoder
  – Video Animation (MTV up to 16fps)
• Audio Codec
  – 16-bit Stereo D/A Converters(3)
  – Headphone Amplifier with Analog Volume Control(3)
  – Microphone Pre-Amplifier with Bias Control
  – 16-bit Mono A/D Converter: Microphone or Line Inputs Recording
  – Stereo Lines Input for FM Playback or Mono Recording
  – 3-band EQ and Bass Boost and 3D Sound Effects
  – Graphical EQ
• Digital Audio DAC Interface
  – PCM / I2S Format Compatible
• USB Rev 2.0 Controller
  – 7 Endpoints, Multiple Enumeration
  – High Speed Mode (480 Mbps)
  – Full Speed Mode (12 Mbps)
  – On The Go Full Speed Mode
• File Management
  – Fat 12, 16, 32 Management
  – Multiple Drive Management: Nand Flash, Card, U-Disk...
  – Multiple Folders and Sub-Folders (user defined)
  – Multiple File Read and Write
  – Playlist and Lyrics Support
• Data Flow Controller
  – 16-bit Multimedia Bus with 2 DMA Channels for high speed transfer with USB
• Nand Flash Controller
  – Multiple Nand as 1 Drive, Support All Page Size
  – Read up to 10MB/s, Write up to 8MB/s
  – Built-in ECC and Hardware Write Protection
• MultiMediaCard® Controller
  – MultiMediaCard 1-bit / 4-bits Modes (V4 compatible)
  – Secure Digital Card 1-bit / 4-bit Modes
• Man Machine Interface
  – Glueless Generic LCD Interface
  – Keyboard Interface
  – FM Tuner Input and Control including RDS
  – PSI I80 Slave Interface (EBI Compatible) up to 6Mbytes/s
  – SPI Master and Slave Modes
  – Full Duplex UART with Baud Rate Generator up to 6 Mbit/s (Rx, Tx, RTS, CTS)
• Control Processor
  – Enhanced 8-bit MCU C51 Core (FMAX = 24 MHz)
  – 64K Bytes of Internal RAM for application code and data
  – Boot ROM Memory: Secured Nand Flash Boot Strap (standard), USB Boot Loader
  – Two 16-bit Timers/Counters: Hardware Watchdog Timer
  – In-System and In-Application Programming
• Power Management
  – 1.8V 40 mA Single AAA or AA Battery Powered(4)
  – Direct USB VBUS Supply
  – 3V or 1.8V - 50 mA Regulator Output
  – Battery Voltage Monitoring
  – Power-on Reset, Idle, Power-Down, Power-Off Modes
  – Software Programmable MCU Clock
• Operating Conditions
  – Supply 1.8V to 5V for all Product range, plus 0.9V to 1.8V(4)
  – 25 mA Typical Operating at 25°C (estimation to be confirmed)
  – Temperature Range: -40°C to +85°C
• Packages
  – LQFP100, BGA100, Dice
  Notes: 1. See Ordering Information
  2. AT85C51SND3B1 AT85C51SND3B2 only
  3. AT85C51SND3B2 only

AT85C51SND3 概述

Digital Music Players, Mobile Phones need ready to use low-cost solutions for very fast
time to market. The AT85C51SND3B with associated firmware embeds in a single chip
all features, hardware and software, for Digital Music Players, Mobile Phones and
Industrial or Toys applications: MP3 decoder, WMA decoder, Display interface, serial
interface, parallel interface, USB high speed and USB host.
Close to a plug and play solution for most applications, the AT85C51SND3B drastically
reduces system development for the best time to market. The AT85C51SND3B handles
full file system management with Nand Flash and Flash Cards, including full detection
and operation of a thumb drive. The AT85C51SND3Bx is used either as a master controller,
or as a slave controller interfacing easily with most of the base-band or host
processors available on the market.
The AT85C51SND3B includes Power Management with: 5V USB VBUS direct supply,
2.7V to 3.6V supply, 1.8V supply or alkaline battery supply (0.9V to 1.8V). External
Nand Flash or Flash Card can be supplied by the AT85C51SND3B at 1.8V or 3V.
The AT85C51SND3B supports many applications including: mobile phones, music players,
portable navigation, car audio, music in shopping centers, applications including
MMC/SD Flash Cards in Industrial applications.
To facilitate custom applications with the AT85C51SND3B, a development kit
AT85DVK-07 and a reference design AT85RFD-07 are available with hardware and
firmware database.

AT85C51SND3 应用技术支持与电子电路设计开发资源下载

1. AT85C51SND3 数据资料 DataSheet 下载. PDF
2. AT85C51SND3 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