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LPC54608 UART TX open drain or not?

Question asked by 実 奥山 on Sep 10, 2018
Latest reply on Sep 10, 2018 by soledad

I'd like to use the pin named P0_30-ISP_FC0_TXD(A2) as a USART transmitter.

Is this pin an open drain pin by a default mode?

If this pin is an open drain pin, I have to put pull-up resistor.

I don't want to put pull-up resistor.

Please tell me whether pull-up resistor is needed.

 

In the same way.
When also using D3,P12 pin as a USART transmitter, please tell me whether pull-up resistor is needed.

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