Posts tagged CAN-bus

Hi, how can I use can bus monitoring through a simple led without disturbing the can line , I started with a diagram found on this forum, I need your help to correct where necessary, I want to use...

3 answers  ·  posted 4mo ago by Marian_20099‭  ·  last activity 4mo ago by Lundin‭

Modern CAN transceivers like MCP2561FD that support CAN FD with high baudrates come with an optional feature called SPLIT, which is to my understanding a reference voltage output pin used to give a...

1 answer  ·  posted 2y ago by Lundin‭  ·  last activity 2y ago by Olin Lathrop‭

Every time I needed CAN, I had just put external crystal and didn't think about it after that. It worked fine. I am wondering however whether the precisions of MCU internal oscillator is sufficien...

3 answers  ·  posted 3y ago by 2kind‭  ·  edited 3y ago by Lundin‭

[I’m asking this question out of curiosity. I understand that this aspect of the CAN bus specification is what it is, and can not change.] The ACK bit in any CAN data frame is dominant. Each rece...

2 answers  ·  posted 3y ago by Nick Alexeev‭  ·  last activity 3y ago by Olin Lathrop‭

I can't get my CAN bus application (ISO 11898-2, classic "high speed CAN") working and I'm receiving various CAN error frames. These error frames manifest themselves as sequences of 6 bits with my ...

1 answer  ·  posted 4y ago by Lundin‭  ·  last activity 4y ago by Lundin‭