翻訳と辞書
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・ program
・ program composition notation
・ program counter
・ program design language
・ program evaluation and review technique
・ program information file
・ program temporary fix
・ program transformation
・ programmable airline reservation system
・ programmable array logic
・ programmable interrupt controller
・ programmable logic controller
・ programmable read-only memory
・ programmed data processor
・ programmed graph rewriting systems
・ programmer
・ programmer brain damage
・ programmer's cheer
・ programmer's microapplication language
・ programmer's switch


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Programmable Interrupt Controller : FOLDOC
Programmable Interrupt Controller
PIC A special-purpose integrated circuit that functions as an overall manager in an interrupt driven system. It accepts requests from the peripheral equipment, determines which of the incoming requests is of the highest priority, ascertains whether the incoming request has a higher priority value than the level currently being serviced, and issues an interrupt to the CPU based on this determination.
PICs typically have eight interrupt lines, and two PICs are often cascaded to provide 15 available interrupt lines.
See also: Advanced Programmable Interrupt Controller.
(2003-03-18)



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