Computer Science · Microcontrollers
In the 8051 microcontroller, PSEN (Program Store Enable) is an ______ output signal used as a read strobe for accessing ______ memory.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1active low, external program✓
- 2active low, internal RAM
- 3active high, external program
- 4active high, internal RAM
Correct answer
active low, external program
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