Silicon Laboratories Si4430, Manual

Page: 110 / 152

S i 4 4 3 0
110 Preliminary Rev. 0.4
Reset value = 00000000
Register 31h. EZMAC
®
Status
Bit D7 D6 D5 D4 D3 D2 D1 D0
Name
Reserved rxcrc1 pksrch pkrx pkvalid crcerror pktx pksent
Type
R R R R R R R R
Bit Name Function
7 Reserved
Reserved.
6 rxcrc1 If high, it indicates the last CRC received is all one’s.
May indicated Transmitter underflow in case of CRC error.
5 pksrch Packet Searching
.
When pksrch = 1 the radio is searching for a valid packet.
4 pkrx Packet Receiving.
When pkrx = 1 the radio is currently receiving a valid packet.
3 pkvalid Valid Packet Received.
When a pkvalid = 1 a valid packet has been received by the receiver. (Same bit as in reg-
ister 03, but reading it does not reset the IRQ)
2 crcerror CRC Error.
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)
1 pktx Packet Transmitting.
When pktx = 1 the radio is currently transmitting a packet.
0 pksent Packet Sent.
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)