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MSP430FR6047: MSP430FR6047

Part Number: MSP430FR6047

I have a problem about Uart communication with MSP430FR6047. I'm using Serial interface SN65HVD1781D of TI, see Datasheet below.  I connected my TD on P2.0, RD on, P2.1, DE on P1.6 and RE on P1.7
my First question is: is it possible to communicate with USS Design center using Uart? because in the Software Documantation ( ) they say, we can enable Uart communication with it using those port. See chapter 4, 4.1. 
i tried to set in the software for Uart instead of I2C. But after loading the programm, i had no kommunication with USS Design center. are there further setting to adjust in the software for the Uart? or is there a MSP430FR6047 project that uses Uart as communication? 

datasheet for SN65HVD1781D:

see my circuit for SN65HVD1781D below. RS485B is curently deseabled. I'm using only RS485A (1 drahte communication)

thank you for your support. 

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