i have ported the Emulated UART Code for STM32L431CC from the STM32F401RE.
peripheral settings done properly.STM32F401RE -- has settings DMA2 & GPIOA (PIN_10 & PIN_11).STM32L431CC -- But i have configured -- DMA1 & GPIOB(PIN_10, PIN_11).Data Transmission & Reception not happening. any suggestions .