Which mode of the Intel 8253 timer can generate a square wave?(a) mode 1(b) mode 2(c) mode 3(d) mode 4This question was posed to me in quiz.The doubt is from Timer in portion Basic Peripherals of Embedded Systems

Which mode of the Intel 8253 timer can generate a square wave?(a) mode

1.	Which mode of the Intel 8253 timer can generate a square wave?(a) mode 1(b) mode 2(c) mode 3(d) mode 4This question was posed to me in quiz.The doubt is from Timer in portion Basic Peripherals of Embedded Systems
Answer» The CORRECT OPTION is (d) mode 4 To explain: The mode 4 is the square WAVE generator. This mode is similar to mode 3 except that the waveform is a square wave.

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