[SOLVED] Question about clock in microcontrollers

[Pictou]

Hello, this thread is not about programming so I'm sorry to post it here, but I think this section suits the most to my question.

My question is the following, what is the amplitude of a clock signal for a microcontroller?
I know that it's a square signal with a fixed frequency, but what is the amplitude?

Thank you.

 

[jayanth.devarayanadurga]

amplitude is 5V as high state level voltage is 5V for 5V MUCs. For 3.3V MCUs it is 3 or 3.3V. amplitude is Vih and Voh values.

 

[Pictou]

Thank you very much.