Trying to use GPIO16 for UART2 RXD signal is not working, because no matter what we do, there are some other unknown signals output on this pin.
We even tried configuring the pin via the IO_MUX as follows:
Code: Select all
WRITE_PERI_REG(PERIPHS_IO_MUX_GPIO16_U, FUNC_GPIO16_U2RXD|FUN_IE );
WRITE_PERI_REG(GPIO_FUNC198_IN_SEL_CFG_REG, GPIO_SIG198_IN_SEL);