I am trying to use sd card. It is not error when I am sending data but when I am trying to read it is reading something different or nothing. So what can be the problem ? (compiler version is 4.068, ...
18f4520 can detect 2volt even from the ttl buffer if suplly range is between 4.5 and 5.5 . You can check it from datasheet ( DC CHARACTERISTICS input low voltage- input high voltage-page 335 ).
pro ...
18f4520 can detect 2volt even from the ttl buffer if suplly range is between 4.5 and 5.5 . You can check it from datasheet ( DC CHARACTERISTICS input low voltage- input high voltage-page 335 ).
pro ...