Specifications

CC1101
SWRS061I Page 81 of 98
0x17: MCSM1– Main Radio Control State Machine Configuration
Bit
Field Name
Reset
R/W
Description
7:6
R0
Not used
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