Currently, pio1 ﹣ 26 and pio1 ﹣ 27 are used as RXD and TXD. At present, the data can be sent to the computer normally, but the data sent by the computer to the MCU cannot be received by the MCU normally, or even will not enter the UART? Irqhandler.How to solve this problem?
The reference code used is NGX_LPC11U14_Eval_Board_SampleCode.zip
