Silicon Laboratories EFR32xG14 Wireless Gecko Reference Manual page 583

Bit Name
3 RXFULL
Set when the receive buffer becomes full.
2 RXDATAV
Set when data becomes available in the receive buffer.
1 TXBL
Set when buffer becomes empty if buffer level is set to 0x0, or when the number of empty TX buffer elements equals speci-
fied buffer level.
0 TXC
This interrupt is set after a transmission when both the TX buffer and shift register are empty.
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USART - Universal Synchronous Asynchronous Receiver/Transmitter
Reset Access Description
0 R RX Buffer Full Interrupt Flag
0 R RX Data Valid Interrupt Flag
1 R TX Buffer Level Interrupt Flag
0 R TX Complete Interrupt Flag
Reference Manual
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