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Table 23-56. IEEE 802.15.4 RX Command Structure (continued)
Bytes Field Name Type Description
27 ccaOpt R/W CCA options, see Table 23-68 for details
28 ccaRssiThr R/W RSSI threshold for CCA
29 Reserved
30 numExtEntries W Number of extended address entries
31 numShortEntries W Number of short address entries
32–35 pExtEntryList W Pointer to list of extended address entries
36–39 pShortEntryList W Pointer to list of short address entries
40–47 localExtAddr W The extended address of the local device
48–49 localShortAddr W The short address of the local device
50–51 localPanID W The PAN ID of the local device
52–54 Reserved
55 endTrigger W Trigger that causes the device to end the RX operation
56–59 endTime W Time parameter for endTrigger
Table 23-57. IEEE 802.15.4 Energy Detect Scan Command Structure
Bytes Field Name Type Description
Channel to tune to in the start of the operation
0: Use existing channel
11–26: Use as IEEE 802.15.4 channel, that is
14 channel W
frequency is (2405 + 5 × (channel − 11)) MHz
60–207: Frequency is (2300 + channel) MHz
Others: reserved
15 ccaOpt R/W CCA options, see Table 23-68 for details
16 ccaRssiThr R/W RSSI threshold for CCA
17 Reserved
18 maxRssi R The maximum RSSI recorded during the ED scan
Trigger that causes the device to end the RX
19 endTrigger W
operation
20–23 endTime W Time parameter for endTrigger
Table 23-58. IEEE 802.15.4 CSMA-CA Command Structure
Bytes Field Name Bits Bit Field Name Type Description
14–15 randomState R/W The state of the pseudo-random generator
The IEEE 802.15.4 MAC parameter
16 macMaxBE W
macMaxBE
The IEEE 802.15.4 MAC parameter
17 macMaxCSMABackoffs W
macMaxCSMABackoffs
0–4 initCW W The initialization value for the CW parameter
5 bSlotted W 0 for non-slotted CSMA, 1 for slotted CSMA
0: RX stays on during CSMA backoffs
1: The CSMA-CA algorithm will suspend the
receiver if no frame is being received
18 csmaConfig
2: The CSMA-CA algorithm will suspend the
6–7 rxOffMode W receiver if no frame is being received, or
after finishing it (including auto ACK)
otherwise
3: The CSMA-CA algorithm will suspend the
receiver immediately during back-offs
The NB parameter from the IEEE 802.15.4
19 NB R/W
CSMA-CA algorithm
1495
SWCU117A–February 2015–Revised March 2015 Radio
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