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Does the inside of the RXD of TJA1055T have pull-up or pull-down applied?

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Does the inside of the RXD of TJA1055T have pull-up or pull-down applied?

‎12-16-2020 05:54 PM
614 Views
msjang
Contributor I

If not, can I pull-up with 10KR resistor external?

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‎12-17-2020 12:46 PM
609 Views
TomasVaverka
NXP TechSupport
NXP TechSupport

Hi Min-Seok,

 

The RXD pin of the TJA1055T (5V version) provides a high-side and low-side driver, so no external pull-up resistor is needed.

BD.JPG

 

Best regards,

Tomas

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