Texas Instruments SimpleLink CC2620 Technical Reference Manual page 1525

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Table 23-67. IEEE 802.15.4 Request CCA State Immediate Command Structure
Byte Index Field Name
0–1 commandNo
2 currentRssi
3 maxRssi
4 ccaInfo
23.5.1.3 Output Structures
Byte Index Field Name
0 nTxAck
1 nRxBeacon
2 nRxData
3 nRxAck
4 nRxMacCmd
5 nRxReserved
6 nRxOk
7 nRxIgnored
8 nRxBufFull
9 lastRssi
10 maxRssi
11
12–15 beaconTimeStamp
SWCU117C – February 2015 – Revised September 2015
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Bits Bit Field Name
0–1 ccaState
2–3 ccaEnergy
4–5 ccaCorr
6 ccaSync
7
Table 23-68. RX Command
Type Description
R/W Total number of transmitted ACK frames
R/W Number of received beacon frames
R/W Number of received data frames
R/W Number of received acknowledgment frames
R/W Number of received MAC command frames
R/W Number of received frames with reserved frame type
R/W Number of received frames with CRC error
R/W Number of frames received that are to be ignored
R/W Number of received frames discarded because the RX buffer was full
R RSSI of last received frame
R Highest RSSI observed in the operation
Reserved
R Timestamp of last received beacon frame
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Type Description
W The command number
The RSSI currently observed on
R
the channel
The maximum RSSI observed on
R the channel because RX was
started
Value of the current CCA state.
00: Idle
R
01: Busy
10: Invalid
Value of the current energy detect
CCA state.
R 00: Idle
01: Busy
10: Invalid
Value of the current correlator
based carrier sense CCA state.
R 00: Idle
01: Busy
10: Invalid
Value of the current sync found
based carrier sense CCA state.
R
0: Idle
1: Busy
Reserved
IEEE 802.15.4
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