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THVD1420:RS485 transmission and reception wiring

Part Number: THVD1420

Tool/software:

Hello.

I have a question about the wiring of THVD1420.

I want to use THDV1420 to send and receive signals from RS485.

Receive differential signals from RS485

THDV1420

Microcontroller USART RX IN

Microcontroller USART TX OUT

THDV1420

Send differential signals to RS485

I tried drawing a wiring diagram, but I don't know if this wiring diagram will work properly. This time I will use two THDV1420 for receiving and transmitting, but is it okay to leave the D of the receiving THDV1420 floating? Also, I will not use the R of the transmitting THDV1420, but is it necessary to connect the 3.3V and R25 10K resistors?

I look forward to your reply.