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RM48L940: About terminal setting of RM48L940ZWT.

ck2_m
Intellectual 720 points
Part Number: RM48L940

Hi everyone.

I have a question.

R9 pin(ETMTRACECLKIN / EXTCLKIN2) of the RM48L940ZWT has internal pull-down.
If this pin is unused, can it be open?

Best regards,
Maekawa

  • 0
    TI__Guru 59540 points
    Hello Maekawa-san,

    If I am understanding your question correctly, you are asking if this can be left as a no connect on the circuit board without being tied to a rail or GND. If this is a correct assumption, the answer is yes, it can be left a a no-connect in your system design, although I would recommend you still have a pad to solder it to in order to take advantage of the mechanical characteristics of the solder joint. i.e., the solder joint to a pcb pad will improve device adhesion to the PCB.
  • 0 in reply to Chuck Davenport
    Intellectual 720 points
    Hi Davenport-san,

    Thank you for quick reply.
    We will reply to customers with the suggested answer.

    Best regards,
    Maekawa