5 register description, Section 7.1.5 – Rainbow Electronics AT86RF231 User Manual
Page 44
44
8111A–AVR–05/08
AT86RF231
7.1.5
Register Description
Register 0x01 (TRX_STATUS):
A read access to TRX_STATUS register signals the current radio transceiver state. A state
change is initiated by writing a state transition command to register bits TRX_CMD (register
0x02, TRX_STATE). Alternatively a state transition can be initiated by the rising edge of pin 11
(SLP_TR) in the appropriate state.
This register is used for Basic and Extended Operating Mode, refer to
• Bit 7 - CCA_DONE
Section 8.5 “Clear Channel Assessment (CCA)” on page 94
• Bit 6 - CCA_STATUS
Section 8.5 “Clear Channel Assessment (CCA)” on page 94
• Bit 5 - Reserved
• Bit [4:0] - TRX_STATUS
The register bits TRX_STATUS signals the current radio transceiver status. If the requested
s t a t e t r a n s i t i o n i s n o t c o m p l e t e d y e t , t h e T R X _ S T A T U S r e t u r n s
STATE_TRANSITION_IN_PROGRESS. Do not try to initiate a further state change while the
radio transceiver is in STATE_TRANSITION_IN_PROGRESS. State transition timings are
defined in
.
Bit
7
6
5
4
3
2
1
0
+0x01
CCA_DONE
CCA_STATUS
Reserved
TRX_STATUS
TRX_STATUS
Read/Write
R
R
R
R
R
R
R
R
Reset Value
0
0
0
0
0
0
0
0