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PIC is a family of RISC microcontrollers made by Microchip Technology, derived from the PIC1650, originally developed by General Instrument's Microelectronics Division. PICs use a Reduced instruction set, varying in length from about 35 instructions at the low-end, to about 70 instructions at the high-end. The set includes instructions to perform many operations on the accumulator. and a constant or the accumulator and a memory location, and for conditionally executing code and jumping/calling other parts of the program and returning from them, and specific hardware features like interrupts, and a low power mode called sleep. Microchip provides a freeware IDE package called MPLAB, with a software simulator and assembler.
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