CC2500 Datasheet, PDF (63/76 Pages) Texas Instruments – Single Chip Low Cost Low Power RF Transceiver

CC2500
0x17: MCSM1 – Main Radio Control State Machine configuration
Bit Field Name
Reset
R/W Description
7:6 Reserved
5:4 CCA_MODE[1:0]
3:2 RXOFF_MODE[1:0]
1:0 TXOFF_MODE[1:0]
3 (11)
0 (00)
0 (00)
R0
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
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.
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
Preliminary Data Sheet (rev.1.1.) SWRS040
Page 63 of 77