CC1110Fx / CC1111Fx
RFIF (0xE9) – RF Interrupt Flags
Bit
Name
Reset
R/W
Description
7
IRQ_TXUNF
0
R/W0
TX underflow
0
1
No interrupt pending
Interrupt pending
6
5
4
IRQ_RXOVF
IRQ_TIMEOUT
IRQ_DONE
0
0
0
R/W0
R/W0
R/W0
RX overflow
0
1
No interrupt pending
Interrupt pending
RX timeout, no packet has been received in the programmed period
0
1
No interrupt pending
Interrupt pending
Packet received/transmitted. Also used to detect underflow/overflow
conditions
0
1
No interrupt pending
Interrupt pending
3
2
1
0
IRQ_CS
0
0
0
0
R/W0
R/W0
R/W0
R/W0
Carrier sense
0
1
No interrupt pending
Interrupt pending
IRQ_PQT
IRQ_CCA
IRQ_SFD
Preamble quality threshold reached
0
1
No interrupt pending
Interrupt pending
Clear Channel Assessment
0
1
No interrupt pending
Interrupt pending
Start of Frame Delimiter, sync word detected
0
1
No interrupt pending
Interrupt pending
SWRS033E
Page 188 of 239
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