RFM22
®
Register 31h. EZMAC
Status
Bit
D7
D6
rxcrc1
R
D5
pksrch
R
D4
pkrx
R
D3
pkvalid
R
D2
crcerror
R
D1
D0
Reserved
R
pktx
pksent
Name
Type
R
Reset value = 00000000
Bit
Name
Function
Reserved
7
Reserved.
If high, it indicates the last CRC received is all one’s.
May indicated Transmitter underflow in case of CRC error.
Packet Searching.
rxcrc1
6
5
4
pksrch
pkrx
When pksrch = 1 the radio is searching for a valid packet.
Packet Receiving.
When pkrx = 1 the radio is currently receiving a valid packet.
Valid Packet Received.
pkvalid
3
When a pkvalid = 1 a valid packet has been received by the receiver. (Same bit
as in register 03, but reading it does not reset the IRQ)
CRC Error.
crcerror
pktx
2
1
0
When crcerror = 1 a Cyclic Redundancy Check error has been detected. (Same
bit as in register 03, but reading it does not reset the IRQ)
Packet Transmitting.
When pktx = 1 the radio is currently transmitting a packet.
Packet Sent.
pksent
A pksent = 1 a packet has been sent by the radio. (Same bit as in register 03,
but reading it does not reset the IRQ)
103
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