5.1.5 Periodic Indirect Data Request

This section describes the power profile of the SAM R30 Mi-Wi sleeping end device during the transmission of MAC indirect data request with:
  • No data from parent
    Figure 5-10. SAM R30 XPro
    1. A – Indirect data request TX
    2. B – RX to receive response from PAN coordinator
    Figure 5-11. SAM R30 Module XPro
    Table 5-8. Parameters
    Parameters SAM R30 XPro SAM R30 Module XPro
    Total duration (ms) 121 135.2
    Average current (mA) 10.29 9.953
    Peak current (mA) 26.62 26.76
    Total charge (mA*ms) 1245.09 1345.65
    Table 5-9. Sniffer Packet Capture of Periodic Indirect Data Request
    Packet N Time (s) Frame MAC Source MAC Destination
    1 44.231877 Indirect data request 0x0001 0x0000
    2 44.233871 ACK — —
  • Data from Parent – The data being transmitted from parent here is due to the trigger of Identify command (MAC PSDU size of 30 bytes) from the WSN monitor Graphical User Interface (GUI) for this sleeping end device.
    Figure 5-12. SAM R30 XPro
    1. A – Indirect data request TX
    2. B – RX to receive response from PAN coordinator
    3. C – MAC ACK TX
    4. D – RX
    5. E – Data TX to PAN coordinator
    Figure 5-13. SAM R30 Module XPro
    1. A – Indirect data request TX
    2. B – RX to receive response from PAN coordinator
    3. C – MAC ACK
    4. D – RX
    Table 5-10. Parameters
    Parameters SAM R30 XPro SAM R30 Module XPro
    Total duration (ms) 128.6 121.4
    Average current (mA) 11.74 11.3
    Peak current (mA) 26.99 26.13
    Total charge (mA*ms) 1509.76 1372