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Bit
Name
Reset
Access Description
3
RXFULL
0
R
RX Buffer Full Interrupt Flag
Set when the receive buffer becomes full.
2
RXDATAV
0
R
RX Data Valid Interrupt Flag
Set when data becomes available in the receive buffer.
1
TXBL
1
R
TX Buffer Level Interrupt Flag
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
0
R
TX Complete Interrupt Flag
This interrupt is set after a transmission when both the TX buffer and shift register are empty.
Reference Manual
USART - Universal Synchronous Asynchronous Receiver/Transmitter
silabs.com
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