Dust Networks
Eterna LTP5901 / LTP5902 Integration Guide
Page 1: ...Dust Networks Eterna LTP5901 LTP5902 Integration Guide...
Page 2: ...nd Pattern MMCX 11 Antenna ESD Considerations 13 Supply Design 13 Voltage Supervision and Reset 13 2 Manufacturing Guidelines 14 Reflow 14 Solder Paste Cleaning 14 Packaging 14 List of Figures Figure...
Page 3: ...indicates information that you enter such as a URL Bold type indicates buttons fields and menu commands Italic type is used to introduce a new term Note Notes provide more detailed information about c...
Page 4: ...hown in Figure 1 includes the signal connections necessary for the programming header The part number for the header is provided in Table 1 Figure 1 Table 1 Eterna Example Schematic Programming Header...
Page 5: ...IPRC requires the use of external RAM The LTC5800 IPRB supports networks of up to 100 motes and has a maximum throughput of 36 packets per second The LTP5901 LTP5902 IPRB requires the use of external...
Page 6: ...2 RESERVED 23 RESERVED 24 EB_DATA_7 25 EB_DATA_6 26 EB_DATA_4 27 EB_DATA_0 28 UARTC0_TX EB_IO_LE0 31 UARTC0_RX EB_DATA_1 32 EB_IO_LE2 38 IPCS_MISO 33 EB_ADDR_1 40 IPCS_MOSI 35 EB_ADDR_0 41 IPCS_SCK 36...
Page 7: ...VSUPPLY_M eb_io_wen eb_data_5 eb_data_4 eb_addr_6 eb_data_3 eb_data_7 eb_data_6 Pulse Generator Circuits eb_addr_5 eb_addr_4 eb_io_le2 VSUPPLY_M R13 0 0201 eb_data_1 eb_data_0 eb_addr_16 eb_addr_14 e...
Page 8: ...terna modules include exposed test points and pads on the bottom mounting side of the PCB Exposed metal should be avoided in the on the top surface of the mating PCB in the area where the module will...
Page 9: ...sk Defined NSMD and Solder Mask Defined SMD Given the lead pitch of the LTP5901 and that tolerances for metal etch are commonly more precise than solder mask deposition it is recommended to use NSMD l...
Page 10: ...10 ETERNA LTP5901 AND LTP5902 INTEGRATION GUIDE LTP5901 Land Pattern Chip Antenna Figure 4...
Page 11: ...the lead pitch of the LTP5902 and that tolerances for metal etch are commonly more precise than solder mask deposition it is recommended to use NSMD land patterns The solder mask opening should provid...
Page 12: ...12 ETERNA LTP5901 AND LTP5902 INTEGRATION GUIDE LTP5902 Land Pattern MMCX Figure 5...
Page 13: ...to ESD events individual implementations may have unique factors that complicate ESD protection Supply Design Due to the heavy duty cycling Eterna s current consumption can change substantially over...
Page 14: ...llowing the soldering process Cleaning the populated modules is strongly discouraged due to the potential issues that may result Residuals under the module are difficult to remove with any cleaning pr...
Page 15: ...t personal injury to the user or as a critical component in any life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or sys...
