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What is the maximum value of Vref in PIC16F877A?

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thiruatmail

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hi frnds...what is the maximum value of Vref.....can we fix it as 12 volt dc..........tku
 

mouzid

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Re: PIC16F877A

thiruatmail said:
hi frnds...what is the maximum value of Vref.....can we fix it as 12 volt dc..........tku


Please elaborate.
if you mean Pic's Power supply it is 5 Volt.
 

VVV

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Re: PIC16F877A

No, you canno do that. Check the datasheet and you will see that the reference voltage has to be lower than the supply voltage, so the maximum reference is 5V, even less if your power supply can drift.
 

laktronics

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Re: PIC16F877A

Hi,
Maximum value of Vref. = Vdd, So, you can not use 12V Vref.
Regards,
Laktronics
 

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