Data Sheet
CC1101
SWRS061B Page 73 of 93
0x17: MCSM1– Main Radio Control State Machine Configuration
Bit Field Name Reset R/W Description
7:6 Reserved R0
5:4 CCA_MODE[1:0] 3 (11) R/W
Selects CCA_MODE; Reflected in CCA signal
Setting Clear channel indication
0 (00) Always
1 (01) If RSSI below threshold
2 (10) Unless currently receiving a packet
3 (11) If RSSI below threshold unless currently
receiving a packet
3:2 RXOFF_MODE[1:0] 0 (00) R/W Select what should happen when a packet has been received
Setting Next state after finishing packet reception
0 (00)
IDLE
1 (01) FSTXON
2 (10) TX
3 (11) Stay in RX
It is not possible to set RXOFF_MODE to be TX or FSTXON and at the same
time use CCA.
1:0 TXOFF_MODE[1:0] 0 (00) R/W Select what should happen when a packet has been sent (TX)
Setting Next state after finishing packet transmission
0 (00) IDLE
1 (01) FSTXON
2 (10) Stay in TX (start sending preamble)
3 (11) RX