UARTV1
OTG1     TX =       0 RX =       0 TXBD=     0 RXBD=     0
UART4    TX*=     520 RX =  140423 TXBD=    49 RXBD= 13404
UART2    TX =  201814 RX*=       0 TXBD= 19264 RXBD=     0
UART3    TX*=   32255 RX*=       0 TXBD=  3078 RXBD=     0
UART8    TX =     530 RX*=       0 TXBD=    50 RXBD=     0
OTG2     TX =       0 RX =       0 TXBD=     0 RXBD=     0
UART6    TX*=  132714 RX*=       0 TXBD= 12668 RXBD=     0