STAT

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Interpret as STAT

Status Register.

TXBUSY	Read-only flag indicating the UART transmit status.
RXBUSY	Read-only flag indicating the UART receiver status.
RXEMPTY	Read-only flag indicating the RX FIFO state.
RXFULL	Read-only flag indicating the RX FIFO state.
TXEMPTY	Read-only flag indicating the TX FIFO state.
TXFULL	Read-only flag indicating the TX FIFO state.
RXELT	Indicates the number of bytes currently in the RX FIFO.
TXELT	Indicates the number of bytes currently in the TX FIFO.

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