All Questions
Tagged with can termination
4
questions
41
votes
4
answers
175k
views
Why does the CAN bus use a 120 ohm resistor as the terminating resistor and not any other value?
I know the reasons for using terminating resistors on a CAN bus and how important it is.
But why 120 ohm? How did this value come up? Is there any specific reason to use 120 ohm?
- 3,275
8
votes
2
answers
6k
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CAN Transmission and termination resistors
I have been trying to set up a CAN network using PIC18F25K80 microcontrollers and an MCP2551 to communicate between them. Can I use two simple wires as a CAN bus by just connecting the CANL, CANH of ...
7
votes
4
answers
4k
views
Does it matter which 2 nodes on a CAN bus you terminate?
I know you need to terminate the 'ends' on a high speed CAN bus but what if you know nothing about the topology of the network or where the bus will go. For my application i have designed a data ...
- 155
1
vote
2
answers
2k
views
Selectable CAN bus split termination
I am designing a CAN device where the user may switch between it being the end device and thus with terminators or vice versa.
Now, there is no need to drive it digitally using MCU, I would actually ...
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