Ublox NINA-B222-04B Скачать руководство пользователя страница 10 | Manualshive

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Ublox NINA-B222-04B Скачать руководство пользователя страница 10

NINA-B2 series - System integration manual

UBX-18011096 - R05

System description

Page 10 of 35

C1- Public

1.10

GND pins

Good connection of the module GND pins,  with solid ground layer of the host application board,  is
required for correct RF performance. This  significantly reduces the  EMC issues and provides a
thermal heat sink for the module.

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Содержание NINA-B222-04B

Страница 1: ...stand alone Bluetooth modules The NINA B2 modules come with pre flashed application software and support dual mode Bluetooth Bluetooth BR EDR and Bluetooth low energy The module has many important sec...

Страница 2: ...ised and supplementary data may be published later Mass Production End of Life Production Information Document contains the final product specification This document applies to the following products...

Страница 3: ...interface SPI 8 1 8 Antenna interfaces 9 Antenna pin NINA B221 9 Integrated antenna NINA B222 9 1 9 Reserved pins RSVD 9 1 10GND pins 10 2 Software 11 2 1 NINA B2 u connectXpress software 11 2 2 s cen...

Страница 4: ...guidelines 25 4 Handling and soldering 26 4 1 ESD handling precautions 26 4 2 Packaging shipping storage and moisture preconditioning 26 4 3 Reflow soldering process 27 Cleaning 28 Other notes 28 5 Ap...

Страница 5: ...cons u blox Bluetooth low energy Serial Port Service all configurable from a host using AT commands NINA B222 comes with an internal antenna while NINA B221 has a pin for use with an external antenna...

Страница 6: ...maximum antenna gain 3 dBi Table 1 NINA B2 series Bluetooth characteristics 1 3 CPU The NINA B2 series has a dual core system with two Harvard Architecture Xtensa LX6 CPUs with maximum 240 MHz intern...

Страница 7: ...ing regulator leads to minimal current saving Linear regulators are not recommended for high voltage step down as they will dissipate a considerable amount of energy DC DC efficiency should be evaluat...

Страница 8: ...lso be used for firmware upgrade See also Software The u connectXpress software adds the DSR and DTR pins to the UART interface These pins are not used as they were originally intended but are used in...

Страница 9: ...he antenna return loss should be as good as possible across the entire band when the system is operational to provide optimal performance The enclosure shields other components and surrounding environ...

Страница 10: ...cription Page 10 of 35 C1 Public 1 10 GND pins Good connection of the module GND pins with solid ground layer of the host application board is required for correct RF performance This significantly re...

Страница 11: ...A B2 standalone modules Figure 2 NINA B2 u connectXpress software structure 2 2 s center evaluation software u blox s center client software provides a convenient tool with which to configure u blox s...

Страница 12: ...ntains the software label software description file name version flash address image size image id file permissions and signature file for the Connectivity Software application Java Script Object Nota...

Страница 13: ...nual 5 and Bootloader protocol specification 5 The bootloader must be running when the software is sent to the module You start the bootloader using either AT commands Pressing the SWITCH_1 and SWITCH...

Страница 14: ...ase64 encoded string Enter the 344 character text string defined in the NINA B22X SI x x x xxx txt file name String The name of the firmware Maximum string length is 22 flags String Permissions for us...

Страница 15: ...est u connectXpress software from u blox Product Resources 3 Discover the COM port number for the USB Serial Port on your computer MS Windows Start Device Manager Ports See also Setting up the evaluat...

Страница 16: ...d the u connectXpress NINA B22X SW 4 0 0 0 003 bin file to NINA B2 5 Once the binary file has been sent NINA B2 displays the greeting text STARTUP Enter the Software version identification AT GMR comm...

Страница 17: ...output pins Accurate design is required to guarantee that the voltage level is well defined during module boot Other pins Accurate design is required to guarantee proper functionality 3 2 Supply inte...

Страница 18: ...more freedom as an external antenna can be mounted further away from the module According to the FCC regulations the transmission line from the module s antenna pin to the antenna or antenna connector...

Страница 19: ...than few centimeters are needed it is recommended to use a coaxial connector and cable to reduce losses o Stack up should allow for thick 50 traces and at least 200 m trace width is recommended to as...

Страница 20: ...sical restriction to the PCB design Integrated antenna excites RF currents on its counterpoise typically the PCB ground plane of the device that becomes part of the antenna its dimension defines the m...

Страница 21: ...fficiency figure over all the operating frequencies Select antennas that provide appropriate gain figure that is combined antenna directivity and efficiency figure so that the electromagnetic field ra...

Страница 22: ...n process should begin at the start of the whole product design process Self made PCBs and antenna assembly are useful in estimating overall efficiency and radiation path of the intended design Use an...

Страница 23: ...n interfaces Asynchronous serial interface UART design The layout of the UART bus should be done so that noise injection and cross talk are avoided It is recommended to use the hardware flow control w...

Страница 24: ...hing of buses Minimize the routing length longer traces will degrade signal performance Ensure that maximum allowable length for high speed busses is not exceeded Ensure that you track your impedance...

Страница 25: ...immunity test to the whole device depends on the device classification as defined by ETSI EN 301 489 1 Applicability of ESD immunity test to the related device ports or the related interconnecting cab...

Страница 26: ...o local GND Before mounting an antenna patch connect the device to ground When handling the RF pin do not touch any charged capacitors Be especially careful when handling materials like patch antennas...

Страница 27: ...ly recommended The reflow profile used is dependent on the thermal mass of the entire populated PCB the heat transfer efficiency of the oven and the particular type of solder paste that is used The op...

Страница 28: ...t Boards with combined through hole technology THT components and surface mount technology SMT devices may require wave soldering to solder the THT components Only a single wave soldering process is a...

Страница 29: ...ribed in this document NINA B2 series FCC ID and IC certification number An end product integrating the NINA B2 series module using u blox connectivity software can refer to the u blox FCC ID and IC c...

Страница 30: ...ermissive Change depending on the specific antenna and antenna trace design Antennas of the same type and with less or same gain as an already approved antenna can be added under a Class I Permissive...

Страница 31: ...rom which a detailed test report for each unit can be generated Figure 10 shows the ATE typically used during u blox production u blox in line production testing includes Digital self tests firmware d...

Страница 32: ...circuit if the test result deviates that from that taken against a Golden Device The standard operational module firmware and test software on the host can be used to perform functional tests communic...

Страница 33: ...Discharge GND Ground IoT Internet of Things ISM Industrial Scientific and Medical radio LED Light Emitting Diode LTE Long Term Evolution MAC Media Access Control MCU Microcontroller MCS Modulation Co...

Страница 34: ...ple on page 2 Provided reference to NINA B2 Getting Started R03 28 Jan 2019 fbro mwej Modified the product status to Initial Production Removed support for external LPO clock section 1 4 1 Updated blo...

Страница 35: ...com Regional Office China Beijing Phone 86 10 68 133 545 E mail info_cn u blox com Support support_cn u blox com Regional Office China Chongqing Phone 86 23 6815 1588 E mail info_cn u blox com Suppor...

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