Is there any need to use External ADC for PIC16F877A

V

vinoth

New Member
Hi,
I'm new to pic controller. I connected -Vref at port A.2 and +Vref at port A.3 and Analog input at Port A.5. Then the out put will be store where. Thanks in advance.
 
Last edited:
vinoth said:
Hi,
I'm new to pic controller. I connected -Vref at port A.2 and +Vref at port A.3 and Analog input at Port A.5. Then the out put will be store where. Thanks in advance.
Click to expand...

hi,

If you are OK with 10 bit resolution, there is no need for an external A2D convertor with a 16F877A.

What is the volatge you want to convert.? volts etc...
 
vinoth said:
Hi,
I'm new to pic controller. I connected -Vref at port A.2 and +Vref at port A.3 and Analog input at Port A.5. Then the out put will be store where. Thanks in advance.
Click to expand...

hi,
What voltage are you trying to convert.?
The description of the -/+Vref is puzzling.
 
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