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   | Partname: | P89V664 |  
    | Description: | 8-bit 80C51 5 V low power 16 kB/32 kB/64 kB flash microcontroller with 512 B/1 kB/2 kB RAM, dual I2C-bus, SPI |     
    | Manufacturer: | Motorola |  
    | Datasheet: | PDF (392K). Click here to download *) |  
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