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Cosa (chi) è programmable$64313$ - definizione

FORM OF DIGITAL MEMORY WHERE THE SETTING OF EACH BIT IS LOCKED BY A FUSE OR ANTIFUSE

Programmable Read-Only Memory; OTPROM; Otprom; One-time programmable; One-Time Programmable; One Time Programmable ROM; Programmable read-only memory

FPGA

INTEGRATED CIRCUIT DESIGNED TO BE CONFIGURED BY A CUSTOMER OR A DESIGNER AFTER MANUFACTURING

Field programmable gate array; FPGA; FPGAs; Field Programmable Gate Array; Programmable gate array; Fpga; Field programmable logic array; Field-Programmable Gate Array; Programmable Gate Array; Field-programmable gate arrays; FPGA board

Field Programmable Gate Array (Reference: RL)

field-programmable gate array

INTEGRATED CIRCUIT DESIGNED TO BE CONFIGURED BY A CUSTOMER OR A DESIGNER AFTER MANUFACTURING

Field programmable gate array; FPGA; FPGAs; Field Programmable Gate Array; Programmable gate array; Fpga; Field programmable logic array; Field-Programmable Gate Array; Programmable Gate Array; Field-programmable gate arrays; FPGA board

<hardware> (FPGA) A gate array where the logic network can be programmed into the device after its manufacture. An FPGA consists of an array of logic elements, either gates or lookup table RAMs, flip-flops and programmable interconnect wiring. Most FPGAs are reprogrammable, since their logic functions and interconnect are defined by RAM cells. The Xilinx LCA, Altera FLEX and AT&T ORCA devices are examples. Others can only be programmed once, by closing "antifuses". These retain their programming permanently. The Actel FPGAs are the leading example of such devices. Atmel FPGAs are currently (July 1997) the only ones in which part of the array can be reprogrammed while other parts are active. As of 1994, FPGAs have logic capacity up to 10K to 20K 2-input-NAND-equivalent gates, up to about 200 I/O pins and can run at clock rates of 50 MHz or more. FPGA designs must be prepared using CAD software tools, usually provided by the chip vendor, to do technology mapping, partitioning and placement, routing, and binary output. The resulting binary can be programmed into a ROM connected to the FPGA or downloaded to the FPGA from a connected computer. In addition to ordinary logic applications, FPGAs have enabled the development of logic emulators. There is also research on using FPGAs as computing devices, taking direct advantage of their reconfigurability into problem-specific hardware processors. Usenet newsgroup: news:comp.arch.fpga. (1997-07-11)

FPGA

INTEGRATED CIRCUIT DESIGNED TO BE CONFIGURED BY A CUSTOMER OR A DESIGNER AFTER MANUFACTURING

Field programmable gate array; FPGA; FPGAs; Field Programmable Gate Array; Programmable gate array; Fpga; Field programmable logic array; Field-Programmable Gate Array; Programmable Gate Array; Field-programmable gate arrays; FPGA board

Field-Programmable Gate Array

Wikipedia

Programmable ROM

A programmable read-only memory (PROM) is a form of digital memory where the contents can be changed once after manufacture of the device. The data is then permanent and cannot be changed. It is one type of read-only memory (ROM). PROMs are used in digital electronic devices to store permanent data, usually low level programs such as firmware or microcode. The key difference from a standard ROM is that the data is written into a ROM during manufacture, while with a PROM the data is programmed into them after manufacture. Thus, ROMs tend to be used only for large production runs with well-verified data. PROMs may be used where the volume required does not make a factory-programmed ROM economical, or during development of a system that may ultimately be converted to ROMs in a mass produced version.

PROMs are manufactured blank and, depending on the technology, can be programmed at wafer, final test, or in system. Blank PROM chips are programmed by plugging them into a device called a PROM programmer. Companies can keep a supply of blank PROMs in stock, and program them at the last minute to avoid large volume commitment. These types of memories are frequently used in microcontrollers, video game consoles, mobile phones, radio-frequency identification (RFID) tags, implantable medical devices, high-definition multimedia interfaces (HDMI) and in many other consumer and automotive electronics products.

https://en.wikipedia.org/wiki/Programmable ROM