AnsweredAssumed Answered

IS MY IMX6 THE  uart1_rx PIN  WAS BURNED?

Question asked by zhang han on Sep 28, 2017
Latest reply on Sep 28, 2017 by zhang han

hello,I use the uart1_rx and uart1_tx pin of  imx6q  to be TTL debug ,now i don't know why when i connect this debug interface by  TTL -USB  line to pc secure CRT,I can not send anyting to my board but i can receive the message from my board  ,then i measure the level of my UART1_RX PIN is 0V,and the uart1_tx pin is still 3.3v,so is my imx6 was burned?why cause this thing happen? is somebody connect wrong the three lines when he or she debugs?can somebody smart answer me timely,very thanks!

Outcomes