u-blox NINA-B4 Series - Page 4

NINA-B4 series - System integration manual
UBX-19052230 - R06 Contents Page 4 of 45
C1-Public
2.7 Product testing .......................................................................................................................................... 26
2.7.1 u-blox in-series production tests ................................................................................................... 26
2.7.2 OEM manufacturer production test ............................................................................................. 27
3 Open CPU software ......................................................................................................................... 28
3.1 Nordic SDK ................................................................................................................................................. 28
3.1.1 Getting started with the Nordic SDK ............................................................................................ 28
3.1.2 Bluetooth device (MAC) address and other production data .................................................. 31
3.1.3 Definition of Low Frequency clock source ................................................................................... 31
3.2 Flashing open CPU software .................................................................................................................. 31
3.2.1 Flashing over the SWD interface ................................................................................................... 31
3.2.2 Flashing over the UART interface ................................................................................................. 32
4 u-connectXpress software ............................................................................................................ 34
4.1 Flashing NINA-B41 u-connectXpress software .................................................................................. 34
4.1.1 Software flashing using s-center .................................................................................................. 34
4.1.2 Software flashing using AT command ......................................................................................... 35
4.2 Low frequency clock source .................................................................................................................... 37
5 Handling and soldering ................................................................................................................... 38
5.1 Packaging, shipping, storage, and moisture preconditioning ......................................................... 38
5.2 Handling ...................................................................................................................................................... 38
5.3 Soldering ..................................................................................................................................................... 38
5.3.1 Reflow soldering process ................................................................................................................ 38
5.3.2 Cleaning .............................................................................................................................................. 39
5.3.3 Other remarks ................................................................................................................................... 40
Appendix .................................................................................................................................................... 41
A Glossary .............................................................................................................................................. 41
Related documents ................................................................................................................................ 43
Revision history ....................................................................................................................................... 44
Contact ....................................................................................................................................................... 45