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89C51SND1C-IL Datasheet(PDF) 2 Page - ATMEL Corporation |
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89C51SND1C-IL Datasheet(HTML) 2 Page - ATMEL Corporation |
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2 / 212 page  2 4109J–8051–10/06 AT8xC51SND1C 1. Description 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). 2. Typical Applications •MP3-Player • PDA, Camera, Mobile Phone MP3 • Car Audio/Multimedia MP3 • Home Audio/Multimedia MP3 3. Block Diagram Figure 3-1. AT8xC51SND1C Block Diagram 8-Bit Internal Bus Clock and PLL Unit C51 (X2 Core) RAM 2304 Bytes Flash ROM Interrupt Handler Unit FILT X2 X1 MP3 Decoder Unit TWI Controller MMC Interface I/O SCL SDA MDAT P0-P5 10-bit A to D Converter VSS VDD Keyboard Interface KIN3:0 I 2S/PCM Audio Interface AVSS AVDD 1 Alternate function of Port 1 AIN1:0 Ports INT0 INT1 MOSI MISO 3 Alternate function of Port 3 4 Alternate function of Port 4 Timers 0/1 T1 T0 SPI/DataFlash Controller MCLK MCMD SCK RST AREF DSEL DCLK SCLK DOUT 64 KBytes USB Controller D+ D- UART RXD TXD IDE Interface SS Watchdog Flash Boot 4 KBytes ISP UVSS UVDD and BRG ALE 33 33 3 34 4 4 4 1 1 1 |
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