NINA-B3 series - System integration manual
UBX-17056748 - R13 System description Page 8 of 72
C1-Public
1.2 Architecture
1.2.1 Block diagrams
Figure 1 shows the block diagram of the NINA-B3 series. The 32.768 kHz crystal not part of
NINA-B306-01B.
Figure 1: Block diagram of the NINA-B3 series
1.2.2 Hardware options
NINA-B3 series modules use an identical hardware configuration except for the different PCB sizes
and antenna solutions. An on-board 32.768 kHz low power crystal is included in all variants except the
NINA-B306-01B. An integrated DC/DC converter for higher efficiency under heavy load situations is
also included.
1.2.3 Software options
NINA-B3 can be used either together with the pre-flashed u-connectXpress software or as an open
CPU module where you can run your own application developed with the Nordic SDK development
environment inside the NINA-B3 module. For further information about the various software options,
see Software.
The u-connectXpress software also, from SW 3.0.0, contains Bluetooth mesh functionality.
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