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Hello everyone
thank you Ttelmah for your answer and my updated code
i did the test and i still had the same problem. so i replaced the pic and with your code EVERYTHING is ok
thank you again for y ...

Thank you Telmah for your response, I did what you recommended but it doesn't change anything. Could this be due to a problem with the defective pic?

I just did a test on another board with the SAME code with a pic 18f87k90 just by changing the #include <18F87k90.h> and the 2 ports work correctly, there must be a subtlety for this pic 18f6723 ...

hello Temtronic
thanks for your interest in me, yes you read correctly, port1 = data buf2 in int_RDA
port 2 = data buf in in_RDA2
i simplified the code as much as possible in plain text to test I s ...

hello everyone
my problem concerns RS232 with a pic18f6723
to send my 2 bytes I use the terminal "Hterm.exe"
i can correctly send and receive two bytes on port1 with int_RDA: example send ...

thank you very much Ttelmah, I will do like that.
good luck on the forum you are great
best regards

Mr Ttelmah
how to configure this chip in single channel mode?? I looked at the datacheet page 373 but I don't know how to do it, or how to use it to have a linear scale from 0 to 4095??
thanks again ...

for Mr Ttelmah: originally I am on a 16 bit value, but as I had the same problem I wanted to simplify my real value that I would like to use is indeed in 16 bit

thanks

hello
thank you Ttelmah for your clear answer, I suspected that this chip was special but I would not have imagined that it was a differential input, sorry to abuse your knowledge how to do the code ...

hello everyone
i am a beginner in programming, my problem is: to acquire a value from 0 to 5V on ANA0 and send it to my screen with a pic18f67K90 or a pic18f67k22
the principle works but the problem ...