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