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    | Partname: | S3C9644 |  
    | Description: | 8-bit single-chip CMOS  microcontroller. 4-Kbyte ROM, 208-byte RAM |     
    | Manufacturer: | Samsung Electronic |  
    | Package: | QFP |  
    | Pins: | 44 |  
    | Oper. temp.: | -40 to 85 |  
    | Datasheet: | PDF (179K). Click here to download *) |  
    The S3C9644/C9648/P9648 is a versatile microcontroller that can be used in a wide range of low speed USB support general purpose applications. It is especially suitable for use as a keyboard controller and is available in a 42-pin SDIP and a 44-pin QFP package.  |  
    
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    Click here to download S3C9644 Datasheet*) | 
  
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