Renesas Electronics /R7FA2A1AB /SCI0 /FDR

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Interpret as FDR

FIFO Data Count Register

R	Receive FIFO Data CountIndicate the quantity of receive data stored in FRDRH and FRDRL(Valid only in asynchronous mode(including multi-processor) or clock synchronous mode, while FCR.FM=1)
Reserved	These bits are read as 000.
T	Transmit FIFO Data CountIndicate the quantity of non-transmit data stored in FTDRH and FTDRL(Valid only in asynchronous mode(including multi-processor) or clock synchronous mode, while FCR.FM=1)
Reserved	These bits are read as 000.

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