Texas Instruments CC253x - Interrupts; Clear-Channel Assessment; Output Power Programming; Tips and Tricks

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RFIRQF1 (0x91) RF Interrupt Flags
Bit Name Reset R/W Description
7:6 – 00 R0 Reserved. Read as 0
5
CSP_WAIT
0 R/W0 Execution continued after a wait instruction in CSP.
0: No interrupt pending
1: Interrupt pending
4
CSP_STOP
0 R/W0 CSP has stopped program execution.
0: No interrupt pending
1: Interrupt pending
3
CSP_MANINT
0 R/W0 Manual interrupt generated from CSP.
0: No interrupt pending
1: Interrupt pending
2
RFIDLE
0 R/W0 Radio state machine has entered the idle state.
0: No interrupt pending
1: Interrupt pending
1
TXDONE
0 R/W0 A complete frame has been transmitted.
0: No interrupt pending
1: Interrupt pending
0
TXACKDONE
0 R/W0 An acknowledgement frame has been completely transmitted.
0: No interrupt pending
1: Interrupt pending
RFERRF (0xBF) – RF Error Interrupt Flags
Bit Name Reset R/W Description
7 – 0 R0 Reserved. Read as 0
6
STROBEERR
0 R/W0 A command strobe was issued at a time it could not be processed. Triggered if
trying to disable radio when already disabled, or when trying to do a SACK,
SACKPEND, or SNACK command when not in active RX.
0: No interrupt pending
1: Interrupt pending
5
TXUNDERF
0 R/W0 TXFIFO underflowed
0: No interrupt pending
1: Interrupt pending
4
TXOVERF
0 R/W0 TXFIFO overflowed
0: No interrupt pending
1: Interrupt pending
3
RXUNDERF
0 R/W0 RXFIFO underflowed
0: No interrupt pending
1: Interrupt pending
2
RXOVERF
0 R/W0 RXFIFO overflowed
0: No interrupt pending
1: Interrupt pending
1
RXABO
0 R/W0 Reception of a frame was aborted.
0: No interrupt pending
1: Interrupt pending
0
NLOCK
0 R/W0 Frequency synthesizer failed to achieve lock after timeout, or lock is lost during
reception. Receiver must be restarted to clear this error situation.
0: No interrupt pending
1: Interrupt pending
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CC253x Radio SWRU191C–April 2009–Revised January 2012
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