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tmc2300, DIAG pin not response

Category: Hardware
Product Number: TMC2300-LA-T

Hi everybody ,

I am using TMC2300 stepper motor controller. Use the UART control method for configuring and controlling the motor using PWM pulses.

Error description: When the motor runs out of cycles, the DIAG pin does not switch logic levels, always in a low state.
Note: I do not solder bricked components.
Below is the circuit I used.

Please provide us with a solution as soon as possible. I'm very happy and grateful for that.