u-blox NINA-B112 System Integration Manual

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u-blox NINA-B112 System Integration Manual Manual pdf 3 page image

NINA-B1 series - System Integration ManualUBX-15026175 - R09 ContentsPage 3 of 49ContentsContents.............................................................................................................................. 31 System description ....................................................................................................... 51.1 Overview and applications .................................................................................................................... 51.1.1 Module architecture ...................................................................................................................... 61.1.2 Hardware options .......................................................................................................................... 61.1.3 Software options ........................................................................................................................... 61.2 Pin configuration and function ............................................................................................................. 61.2.1 Pin attributes ................................................................................................................................. 61.2.2 Pin description ............................................................................................................................... 71.3 Supply interfaces ................................................................................................................................ 101.3.1 Main supply input ....................................................................................................................... 101.3.2 Digital I/O interfaces reference voltage (VCC_IO) ......................................................................... 111.3.3 VCC application circuits ............................................................................................................... 111.4 System function interfaces .................................................................................................................. 111.4.1 Module reset ............................................................................................................................... 111.4.2 Internal temperature sensor......................................................................................................... 111.5 Debug – Serial Wire Debug (SWD) ...................................................................................................... 111.6 Serial interfaces .................................................................................................................................. 121.6.1 Universal Asynchronous Serial Interface (UART) ........................................................................... 121.6.2 Serial Peripheral Interface (SPI) ..................................................................................................... 121.6.3 I2C interface................................................................................................................................. 121.7 GPIO pins ........................................................................................................................................... 131.7.1 Analog interfaces ........................................................................................................................ 131.8 Antenna interfaces ............................................................................................................................. 141.8.1 Antenna pin – NINA-B111 ........................................................................................................... 141.8.2 Integrated antenna – NINA-B112................................................................................................. 151.8.3 NFC antenna ............................................................................................................................... 151.9 Reserved pins (RSVD) .......................................................................................................................... 151.10 GND pins ............................................................................................................................................ 152 Software ..................................................................................................................... 162.1 u-blox connectivity software ............................................................................................................... 162.2 Open CPU .......................................................................................................................................... 162.2.1 Nordic SDK .................................................................................................................................. 162.2.2 Arm Mbed OS ............................................................................................................................. 192.2.3 Wirepas connectivity software ..................................................................................................... 232.3 Flashing the NINA-B1 module ............................................................................................................. 232.3.1 UART flashing.............................................................................................................................. 232.3.2 SWD flashing............................................................................................................................... 253 Design-in ..................................................................................................................... 283.1 Overview ............................................................................................................................................ 28