Mathematics · Microcontrollers
In an 8051 microcontroller system operating with a crystal frequency of 12 MHz, find the time delay associated with the loop section (labeled 'HERE') of the following subroutine, assuming a standard machine cycle of 12 clock periods: DELAY: MOV R3, #200 HERE: NOP NOP NOP DJNZ R3, HERE RET
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.5 milliseconds
- 21.0 millisecond✓
- 31.5 milliseconds
- 42.0 milliseconds
Correct answer
1.0 millisecond
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