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DAC interfacing with PIC18F4550

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srija

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hi

I am using PIC18F4550 micro controller to take a analog voltage from any one of the analog channel and to display the corresponding voltage on the analog voltmeter. for this i wonna use a DAC and to connect a voltmeter to the DAC output.

But I want a serial input DAC(which wil have a serial in parallel output register internally) to be interfaced with PIC18F4550.

My question is it possible to read any of the ports(B,D) as a serial data?????

If any reply i would be very thankful...........
 

Hi,

You have the Pics Hardware Usart on RC6 and RC7.
If you want to use any other i/o Ports you can, but you must write your own Serial code, known as a Software Usart or Bit Banging
There a some ready made examples on the web, though you do not say what language you are using.
 

Thanku for the reply.
I am using MPLab C programming
 

hello everyone, well i must apologize in advance since i'm replaying and i can not help you at all, but maybe some of u can help me,, i posted here https://www.edaboard.com/threads/231852/#post988770 a problem i have, trying to generate a dc level voltage depending on the duty cycle (DAC convertion using PWM), i'll appreciate any help you can possibly give me.

thank u in advance.
 

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