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ST Employee
September 16, 2022

Why is 120ohm termination for low-speed CAN not necessary?

  • September 16, 2022
  • 0 replies
  • 2466 views

Why is 120ohm termination for low-speed CAN not necessary?

  • For low-speed, a termination series at each node is necessary. The value of these resistors are  fixed by the number of nodes. The termination resistor value fixes the voltage levels values.
  • For high-speed, 120 ohms resistors are located at each termination of the CAN bus.