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PSEN stands for ________

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PSEN stands for ________

(a) Program Select Enable

(b) Peripheral Store Enable

(c) Program Store Enable

(d) Peripheral Select Enable

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Asked question is from Microcontroller (8051- Pin, Registers, Timers) topic in chapter Prototyping Embedded Devices of IOT

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Correct option is (c) Program Store Enable

The explanation: This is an output pin. In an 8031-based system in which an external ROM holds the program code, this pin is connected to the OE pin of the ROM.

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