UART_STATUS

Bit Field	Read/Write	Field Name	Description
12	R	TX_BUSY	Indicate that a TX transaction is ongoing
11	R	RX_BUSY	Indicate that a RX transaction is ongoing
10	R	TX_REQ	Indicate that a TX data can be written
9	R	RX_REQ	Indicate that a RX data can be read
8	R	OVERRUN	Indicate that an overrun occurred when receiving data
0	W	OVERRUN_CLEAR	Clear the overrun status flag

Bit Field	Field Name	Value Symbol	Value Description	Hex Value
12	TX_BUSY	UART_TX_IDLE	No UART TX transaction is ongoing	0x0*
		UART_TX_BUSY	UART TX transaction is ongoing	0x1
11	RX_BUSY	UART_RX_IDLE	No UART RX transaction is ongoing	0x0*
		UART_RX_BUSY	UART RX transaction is ongoing	0x1
10	TX_REQ	UART_TX_NO_REQ	UART TX data has already been written	0x0
		UART_TX_REQ	UART TX data can be written	0x1*
9	RX_REQ	UART_RX_NO_REQ	No new UART RX data available	0x0*
		UART_RX_REQ	New UART RX data available	0x1
8	OVERRUN	UART_OVERRUN_FALSE	No UART RX overrun detected	0x0*
		UART_OVERRUN_TRUE	UART RX overrun detected	0x1
0	OVERRUN_CLEAR	UART_OVERRUN_CLEAR	Clear the RX overrun status bit	0x1