Search found 10 matches

Hello to all!
I've got a problem with manchester decoding. I receive almost a code but something goes wrong. I receive not the right bytes. I need help about this code or if You can offer me other on ...

Hello to all!
I'm to use the same topic. I've got a question about sending and receiving. I used the code above and I marked that if I send for example 5 bytes from Tx to Rx there is a kind of proble ...

Hello,
I use 18F4550 and load an app through a bootloader. Everything works but when application runs it uses a bootloader's PID and VID, i.e. the application uses bootloader's USB settings. I cannot ...

Due to I use a test board for this project, I use wires to connect pins to other points or buses. The wire to the 59th pin (Vdd) evidently was not soldered very well (*devil*). I had to resolder the j ...

At the end - it's solved.Thanks to all of You for the advices!!!

I read before about the crystal but there's nothing written except SJK 25.000!
About the board-I use a test board but I thing this is not the problem.
However, thanks to all for the answers!

The crystal is this one - http://www.q-crystal.com/upload/4/2009436173132156.pdf

Here is the scheme: http://www.picvalley.net/v.php?p=u/2614/51461038614276210071285319267juxFUSmKZ006MvGxBLU9.PNG
...

I've changed fuses on program and programmer but nothing. Got tried with variable values of capacitors - the same! Even though thank you for the advice!

Thank you for the fast reply.
I use crystal SJK 25.000. Load capacitors are 33pf. The length of tracks to the crystal is about 8-10mm. The ground track runs between the pins of the crystal. I've trie ...

Hello everybody!
I got a problem with this chip. It can't run at any other oscillator frequency except its own internal! I have been searching many topics about this problem - and all look like the s ...