RFM22
Register 02h. Device Status
Bit
D7
ffovfl
R
D6
ffunfl
R
D5
rxffem
R
D4
headerr
R
D3
freqerr
R
D2
lockdet
R
D1
D0
cps[1:0]
Name
Type
R
R
Reset value = xxxxxxxx
Bit
7
Name
Function
ffovfl
ffunfl
rxffem
RX/TX FIFO Overflow Status.
6
RX/TX FIFO Underflow Status.
RX FIFO Empty Status.
Header Error Status.
5
4
headerr
Indicates if the received packet has a header check error.
3
Frequency Error Status.
freqerr
lockdet
Indicates if the programmed frequency is outside of the operating range. The
actual frequency is saturated to the max/min value.
Synthesizer Lock Detect Status.
Module Power State.
2
1:0
cps[1:0]
00: Idle State
01: RX State 10:TX State
74
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