(1) (Programmable Interrupt Controller) An Intel 8259A chip that controls interrupts. Starting with the 286-based AT, there are two PICs in a PC, providing a total of 15 usable IRQs. The PIC has been superseded by an Advanced Programmable Interrupt Controller, or 82489DX chip, that is enhanced for multiprocessing. See IRQ.
(2) A family of 8-bit and 16-bit microcontrollers from Microchip Technology Inc., Chandler, AZ (www.microchip.com). Used in myriad applications, Microchip's PIC chips come in a wide variety of packages and configurations. See microcontroller.
(2) A family of 8-bit and 16-bit microcontrollers from Microchip Technology Inc., Chandler, AZ (www.microchip.com). Used in myriad applications, Microchip's PIC chips come in a wide variety of packages and configurations. See microcontroller.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
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