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How to generate the 2.5v-0(5v)-2.5v pulses using MC?

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manish12

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A simple wave que?

How we can generate the 2.5v-0-2.5v pulse and 2.5v-5v-2.5v pulse using mc.
 

Re: A simple wave que?

To suppose the MCU is working on 5V, it is easy to implement with 2 resistors and 2 I/O (1 output, 1 bidirectional or 2 output)
Code: 
   A ---+
        R
        +--- signal
        R
   B ---+
Here is one of patterns to general 0/2.5/5V signals.
Code: 
signal = 0V   if A=0, B=HiZ
signal = 2.5V if A=0, B=1
signal = 5V   if A=1, B=HiZ
And another one as:
Code: 
signal = 0V   if A=0, B=0
signal = 2.5V if A=1, B=0
signal = 5V   if A=1, B=1
FYR
 

Re: A simple wave que?

vcc ---+
R
A-----+--- signal
R
B ---+

signal = 2.5V if A=1, B=0
signal = 5V if A=1, B=1
signal = 0V if A=0, B=0

It is like that and tested .
It is world of MC any think can be possible.

If is so can you guess the reason.
 

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