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・ Programmable Cricket
・ Programmable IC
・ Programmable Interrupt Controller
・ Programmable interval timer
・ Programmable load
・ Programmable logic array
・ Programmable logic controller
・ Programmable logic device
・ Programmable Macro Language
・ Programmable magnet
・ Programmable matter
・ Programmable metallization cell
・ Programmable read-only memory
・ Programmable scale
・ Programmable sound generator
Programmable system device
・ Programmable thermostat
・ Programmable Universal Machine for Assembly
・ Programmable-gain amplifier
・ ProgrammableWeb
・ Programmation Automatique des Formules
・ Programme (booklet)
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・ Programme d'eau potable et d'assainissement du Millénaire
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・ Programme for Research in Third Level Institutions


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Programmable system device : ウィキペディア英語版
Programmable system device

A Programmable system device (PSD) is a type of integrated circuit manufactured by STMicroelectronics.
Meant to be teamed up with a microprocessor or microcontroller, the PSD provides most of the other functions required to implement small applications such as embedded systems.
The PSD provides the following functions:
* RAM
* Flash ROM
* A reprogrammable gate array for address decode, input/output functions, and random logic
The entire PSD is reprogrammable using JTAG; this includes the random logic that's configuration is loaded from flash-like memory. If the user provides the correct connections, the device can also be reprogrammed in the field (still using JTAG) in a process known as In-System Programming. The portions of the chip that act as ordinary flash ROM may also be reprogrammed by the application's microcontroller in a process known as In-Application Programming.
PSDs are made in various configurations with varying amounts of ROM, RAM, random logic, and I/O ports.



抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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