Ublox NINA-B3 Series - System Description; Overview and Applications; Module Architecture; Pin Configuration and Function

NINA-B3 series - System integration manual
UBX-17056748 - R13 Contents Page 3 of 72
C1-Public
Contents
Document information ................................................................................................................................ 2
Contents .......................................................................................................................................................... 3
1 System description ............................................................................................................................... 6
1.1 Overview and applications ........................................................................................................................ 6
1.2 Architecture ................................................................................................................................................. 8
1.2.1 Block diagrams .................................................................................................................................... 8
1.2.2 Hardware options ............................................................................................................................... 8
1.2.3 Software options ................................................................................................................................ 8
1.3 Pin configuration and function ................................................................................................................. 9
1.4 Supply interfaces ........................................................................................................................................ 9
1.4.1 Main supply input ............................................................................................................................... 9
1.4.2 Digital I/O interfaces reference voltage (VCC_IO) ........................................................................ 9
1.4.3 VCC application circuits .................................................................................................................... 9
1.5 System function interfaces ....................................................................................................................10
1.5.1 Module reset ......................................................................................................................................10
1.5.2 Internal temperature sensor ..........................................................................................................10
1.6 Debug – Serial Wire Debug (SWD) .........................................................................................................10
1.7 Serial interfaces ........................................................................................................................................10
1.7.1 Universal Asynchronous Serial Interface (UART) ......................................................................10
1.7.2 Serial Peripheral Interface (SPI) .....................................................................................................11
1.7.3 Quad serial peripheral interface (QSPI) ........................................................................................11
1.7.4 I2C interface.......................................................................................................................................12
1.7.5 USB 2.0 interface ..............................................................................................................................12
1.8 GPIO pins .....................................................................................................................................................12
1.8.1 Analog interfaces ..............................................................................................................................13
1.9 Antenna interfaces ...................................................................................................................................14
1.9.1 Antenna pin – NINA-B3x1 ................................................................................................................14
1.9.2 Integrated antenna – NINA-B3x2/B3x6........................................................................................15
1.9.3 NFC antenna ......................................................................................................................................15
1.10 Reserved pins (RSVD) ..............................................................................................................................15
1.11 GND pins .....................................................................................................................................................15
2 Software ................................................................................................................................................ 16
2.1 u-connectXpress software ......................................................................................................................16
2.2 Open CPU ....................................................................................................................................................17
2.2.1 Nordic nRF5 SDK ..............................................................................................................................17
2.2.2 Zephyr .................................................................................................................................................21
2.2.3 Saving Bluetooth MAC address and other production data ....................................................22
2.2.4 Support – Nordic development forum ..........................................................................................23
2.3 Updating NINA-B31 software .................................................................................................................23
2.3.1 Updating over UART.........................................................................................................................23