Microchip reference datasheet, 2.59 MB PDF, for the PIC16F630 and PIC16F676 flash microcontrollers, two closely related 14-pin parts where the 676 adds an analog-to-digital converter. It includes pin diagrams, oscillator calibration notes, I/O port descriptions, configuration bits and electrical tables. Because these are flash devices they can be reprogrammed through ICSP, but the factory oscillator calibration value should be read and preserved before erasing. Useful for repairing small controllers in appliances and hobby electronics.
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