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ANNA-B4 series - System integration manual

UBX-21000517 - R03

Contents

Page 11 of 74

C1-Public

u-connectXpress software

ANNA-B412 modules are pre-flashed with u-connectXpress and bootloader software, which
interfaces through an AT command interpreter to control customer application software running on
host MCUs.

describes the feature support in the u-connectXpress software.

Feature

Support

Bluetooth

u-blox Low Energy Serial Port Service (SPS)
GATT server and client using AT commands
Beacons
1 + 2 Mbit/s modulation
125 Kbit/s modulation long range functionality
Advertising extensions

Configuration over air

Wireless transmission of AT commands to control the module

Extended Data

Mode™

For simultaneous AT commands and data, and multiple simultaneous data streams

HW interfaces

2 x UART, 19 x GPIO

Configuration

AT commands

Support tools

s-center

Operating modes

Central role (7 simultaneous links)
Peripheral role (6 simultaneous links)
Simultaneous central and peripheral roles
(8 in total, where max 4 as peripheral and max 7 as central)
LE 1M PHY
LE 2M PHY
LE CODED PHY
Advertising extensions
LE data length extension
Bluetooth mesh (Available on request.

us.)

Direction finding (AoA / AoD) (Available on request.

us.)

Security

Secure boot
Secure Simple Pairing
128-bit AES encryption
Bluetooth low energy secure connections

Throughput over UART

780 Kbit/s

Table 4: u-connectXpress software support

See also

u-connectXpress software

1.8

Pin configurations and functions

For information about pin configuration and functions, see the ANNA-B402 and ANNA-B412 data
sheets

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Содержание ANNA-B4 Series

Страница 1: ...oth 5 1 low energy modules in customer applications ANNA B402 provides an open CPU architecture with a powerful MCU for customer applications while ANNA B412 is delivered with pre flashed u connectXpr...

Страница 2: ...tion Document contains the final product specification This document applies to the following products Product name ANNA B412 ANNA B402 For information about the related hardware software and status o...

Страница 3: ...12 Digital I O interfaces reference voltage VCC_IO 12 2 2 Antenna interface 12 ANNA B4 integrated antenna 13 Antenna connected to the antenna pin 13 2 3 Module reset 13 2 4 Internal temperature sensor...

Страница 4: ...VK on the Zephyr command line 30 4 2 Nordic nRF5 SDK 30 Getting started with the Nordic nRF5 SDK 31 Create a custom board support file for Nordic nRF5 SDK 31 Adding a board configuration to your proje...

Страница 5: ...end product 55 7 6 KCC South Korea compliance 56 7 7 Brazil compliance 56 7 8 Australia and New Zealand regulatory compliance 56 7 9 South Africa regulatory compliance 57 7 10Bluetooth qualification...

Страница 6: ...e same physical size and mechanical design as the ANNA B112 module ANNA B4 offers a natural upgrade path for existing ANNA B1 applications Four additional pins on ANNA B4 included to increase the numb...

Страница 7: ...ANNA B4 series System integration manual UBX 21000517 R03 Contents Page 7 of 74 C1 Public 1 3 Product features Figure 1 ANNA B4 series main features summary...

Страница 8: ...internal antenna Otherwise it can be routed to an external antenna or antenna connector When using the internal antenna a counterpoise trace must be routed on the main PCB and connected to Antenna PC...

Страница 9: ...hardware architecture and design Both module variants are based on the Nordic Semiconductor nRF52833 System on Chip SoC 1 7 Software options ANNA B4 modules are integrated with an Arm Cortex M4 appli...

Страница 10: ...pplications Table 3 describes the possible connectivity and application support for recommended Nordic SDK environments in ANNA B40 hardware See also Open CPU software Feature Support Development envi...

Страница 11: ...e For simultaneous AT commands and data and multiple simultaneous data streams HW interfaces 2 x UART 19 x GPIO Configuration AT commands Support tools s center Operating modes Central role 7 simultan...

Страница 12: ...voltage depending on the I O voltage of the host system and interfacing components 2 2 Antenna interface ANNA B4 is equipped both with an integrated chip antenna and an RF pin The integrated chip ant...

Страница 13: ...d Choose an antenna with optimal radiating characteristics for the best electrical performance and overall module functionality Use either an internal antenna integrated on the main PCB or an external...

Страница 14: ...of the internal oscillator means that the module must perform a calibration at specific intervals which causes the current consumption to increase in sleep mode For further information about the diffe...

Страница 15: ...not swing outside supply rails XL2 Connect to GND Table 7 Electrical parameters for a low swing clock The electrical parameters for a suitable full swing clock are described in Table 8 Pin name Param...

Страница 16: ...of the supported interfaces is dependent on whether ANNA B4 is used with u connectXpress software or an open CPU based application See also the ANNA B402 5 and ANNA B412 6 data sheets Universal asynch...

Страница 17: ...multiple slaves I2C interface open CPU only The Inter Integrated Circuit I2C interfaces can be used to transfer or receive data on a 2 wire bus network The ANNA B4 series contains up to two I2C bus in...

Страница 18: ...ant aspects of the NFC antenna design where The NFC antenna coil must be connected differentially between the NFC1 and NFC2 pins of the device Two external capacitors should be used to tune the resona...

Страница 19: ...NNA B402 the SWD interface pins SWDCLK and SWDIO to the module should ideally be made available in the application design So that ANNA B402 can be flashed over the UART or SWD interface the module is...

Страница 20: ...re Figure 7 shows the footprints of the u connectXpress ANNA B112 and ANNA B412 modules Although the pin assignments vary the positioning of the pin are identical Figure 7 ANNA B112 u connectXpress fo...

Страница 21: ...lacement of ANNA B1 and ANNA B4 All GND pins on ANNA B1 and ANNA B4 modules must be grounded regardless of whether these have another function on the other module ANNA B4 These pins must then be confi...

Страница 22: ...idelines for ANNA B1 to ANNA B4 migration 3 2 Antenna integration guidelines When deciding which antenna concept to implement it is advisable to consider the following guidelines The antenna design pr...

Страница 23: ...tenna or an internal antenna mounted on the main PCB Table 12 summarizes the requirements for the antenna RF interface Item Requirements Remarks Impedance 50 nominal characteristic impedance The imped...

Страница 24: ...neral the trace to ground clearance should be at least twice that of the trace width The transmission line should also be guarded by the ground plane area on each side In the first iteration calculate...

Страница 25: ...ugs and receptacles used in the design Based on the declarations of the respective manufacturers Table 13 suggests some RF connector plugs that can be used by designers to connect RF coaxial cables Ma...

Страница 26: ...igure 10 U FL connector layout example with pi matching components placed on top of microstrip 3 4 Supply interfaces VCC application circuits The SMPS is the ideal choice when the available primary su...

Страница 27: ...this general rule is when high impedance traces such as signals driven by weak pull resistors might be affected by crosstalk For these and similar traces a supplementary isolation of 4w four times the...

Страница 28: ...rking for products intended for sale in Europe To bear the CE mark all application products integrating u blox modules must be conformance tested in accordance with the R TTE Directive 99 5 EC EMC Dir...

Страница 29: ...data sheets 6 Each signal group is consistent with its own power rail supply or proper signal translation has been provided as described in the respective ANNA B402 5 and ANNA B412 data sheets 6 When...

Страница 30: ...lar structure of make files and config files as the Linux kernel and also uses a device tree file to set up the pin mapping for your board An example configuration for EVK ANNA B402 is available in th...

Страница 31: ...e nRF5 SDK documentation available from the Nordic Semiconductor Infocenter 4 2 1 1 Nordic tools For further information and links to all Nordic tools as well as the supported compilers see Nordic sof...

Страница 32: ...of the symbol BOARD_CUSTOM to your build Follow the procedure outlined below to add the BOARD_CUSTOM define statement in SEGGER Embedded Studio 1 Right click the Project in Project Explorer 2 Select O...

Страница 33: ...her flexible way of adding a board to your project can be to add a new build configuration to your Segger Studio project and then use this to select the correct board file for your build By adding sev...

Страница 34: ...on note 8 EVK ANNA B402 is delivered with an external low frequency crystal oscillator mounted 4 4 Bluetooth device MAC address and other production data The open CPU ANNA B402 variant of the ANNA B4...

Страница 35: ...to flash the module SEGGER J Link BASE external debugger works with ANNA B402 modules EVK ANNA B402 incorporates an onboard debugger which means that it can be flashed without an external debugger Alw...

Страница 36: ...To flash an application to the module without destroying the master boot record MBR pre flashed in the factory the start address in flash must be revised to 0x27000 for applications with S140 SoftDevi...

Страница 37: ...sing the following nrfutil command options nrfutil dfu serial pkg app zip p COM95 b 115200 fc 1 When the DFU package is flashed for the first time there is no application to boot which causes the boot...

Страница 38: ...he software includes two separate binary files and one JSON file that includes the software label software description file name version flash address image size image id file permissions and signatur...

Страница 39: ...ou can send AT commands to ANNA B41 to execute certain tasks over the serial interface using open source terminal emulator software that supports XMODEM like TeraTerm or ExtraPuTTy Alternatively you c...

Страница 40: ...for ANNA NRF File ANNA S140 SD 7 2 0 bin Version ANNA S140 SD 7 2 0 Address 0x0 Size 0x26634 Id 0x1 Permissions rw SignatureFile ANNA S140 SI 7 2 0 txt Figure 20 Defined values for ConnectivitySoftwa...

Страница 41: ...ameters 5 1 1 2 1 Setting up the serial port You can send AT text commands to ANNA B41 to execute tasks using open source terminal emulator software that supports XMODEM like Tera Term or ExtraPuTTy A...

Страница 42: ...ersion of your u connectXpress software AT GMR 1 0 0 003 OK 3 Prepare the module to accept a binary file for download and start the bootloader at the appropriate baud rate Enter the Update software AT...

Страница 43: ...ly you can send all AT commands described in this section using the s center software in AT mode See also the s center user guide 19 Procedure 1 Setup the serial port connection See also Setting up th...

Страница 44: ...ootloader to accept a file transfer using XMODEM protocol Enter the configuration action command x together with the SoftDevice values imageaddress imagesize imagename permissions and imageid defined...

Страница 45: ...ware value imageid defined in the ANNA B41X CF version json file f 0 OK 11 Enter the configuration action command q to reset and start the module with the newly flashed software q STARTUP For further...

Страница 46: ...pm or better If no external crystal or TCXO is mounted the u connectXpress software uses the internal RC oscillator with the settings of a calibration timer interval of 4 s and minimum calibration of...

Страница 47: ...ch any charged capacitors Be especially careful when handling materials like patch antennas 10 pF coaxial cables 50 80 pF m soldering irons or any other materials that can develop charges To prevent e...

Страница 48: ...host PCB the heat transfer efficiency of the oven and the type of solder paste that is used The optimal soldering profile that is used must be trimmed for each case depending on the specific soldering...

Страница 49: ...d be considered If the antenna and or antenna trace is covered by the potting or coating it may affect the RF characteristics of the module This might also affect the certification of the module and t...

Страница 50: ...egulatory compliance of ANNA B4 series modules against requirements and provisions in the European Union see also the ANNA B4 Declaration of Conformity 23 Radio Equipment Directive RED 2014 53 EU The...

Страница 51: ...location configuration may require new radiated emission and SAR evaluation and or testing The end product manufacturer OEM integrator is responsible for verifying the end product compliance with FCC...

Страница 52: ...icuous location either in the user manual on the device or both This device contains license exempt transmitter receiver that comply with Innovation Science and Economic Development Canada s license e...

Страница 53: ...es et D veloppement conomique Canada devra tre pos e sur le produit h te un endroit bien en vue en tout temps En l absence d tiquette le produit h te doit porter une tiquette sur laquelle figure le nu...

Страница 54: ...of the end product evaluation is the 5th harmonic of 2 4 GHz as declared in 47 CFR Part 15 33 b 1 The following requirements apply to all products that integrate a radio module o Subpart B UNINTENTION...

Страница 55: ...ng power or alter original characteristic as well as performance to an approved low power radio frequency device The low power radio frequency devices shall not influence aircraft security and interfe...

Страница 56: ...uently must accept harmful interference including from stations of the same kind and may not cause harmful interference to systems operating on a primary basis When the device is so small or for such...

Страница 57: ...eb site www rsm govt nz 7 9 South Africa regulatory compliance Approvals are pending ANNA B4 series modules are compliant and certified by the Independent Communications Authority of South Africa ICAS...

Страница 58: ...Taoglas Gain 2 5 dBi Impedance 50 Size 5 9 x 4 1 x 0 24 mm Type Patch Flexfilm Connector U FL Cable length 45 mm Comment For best performance this antenna should be attached to a plastic enclosure or...

Страница 59: ...U FL connector and not inside a metal enclosure For more information see antenna data sheet Approval FCC IC RED MIC NCC KCC ANATEL ACMA and ICASA FXP72 07 0053A Manufacturer Taoglas Gain 5 0 dBi Impe...

Страница 60: ...report for each unit can be generated Figure 28 shows the ATE typically used during u blox production u blox in line production testing includes Digital self tests firmware download MAC address progra...

Страница 61: ...Device The standard operational module firmware and test software on the host can be used to perform functional tests communication with the host controller check interfaces and perform basic RF perf...

Страница 62: ...neral Purpose Input Output I2C Inter Integrated Circuit I2S Inter IC sound interface IDE Integrated Development Environment IEEE Institute of Electrical and Electronics Engineers LDO Low Drop Out LED...

Страница 63: ...or Internet of Things IoT smart home automation devices to communicate on a local wireless mesh network THT Through Hole Technology TRP Total Radio Power TXD Transmit Data UART Universal Asynchronous...

Страница 64: ...layout must be identical to that provided by u blox Implement one of the reference designs included in this section or contact u blox The designer must use the stack up provided by u blox RF traces on...

Страница 65: ...antenna reference design Traces and vias for other signals not present Figure 29 Reference design for internal antenna corner version top layer Figure 30 shows the other layers for the corner version...

Страница 66: ...rict compliance with the instructions below This section describes where the critical copper traces are positioned on the reference design Figure 31 shows the top layer for the edge version of the int...

Страница 67: ...sign All the components placed on each RF trace must be kept as shown in the reference design The reference design uses a micro coaxial connector that is connected to the external antenna using a 50 p...

Страница 68: ...ns As the antenna characteristics are dependent on the dimensions of the PCB especicially for small sized PCBs the physical size of the PCB must be carefully considered to ensure a sufficient antenna...

Страница 69: ...ure 36 Ground plane miniaturization example Figure 37 shows the correlation between the total radiated power TRP and PCB length in wavelengths x The C8_1 board radiates a peak power of 5 67 dBm when i...

Страница 70: ...00517 R03 Appendix Page 70 of 74 C1 Public Table 25 shows the 3D antenna radiation patterns of the C8_1 PCB By integrating the graph the Total Radio Power TRP is achieved in this case 5 67 dBm Table 2...

Страница 71: ...The antenna radiation characteristic of ANNA B4 and ANNA B1 is the same however the higher power of ANNA B4 shall be considered when comparing absolute levels of TRP and range The 4 dB higher output l...

Страница 72: ...ctrostatic phenomena General requirements 13 ETSI EN 60950 1 2006 Information technology equipment Safety Part 1 General requirements 14 JESD51 Overview of methodology for thermal testing of single se...

Страница 73: ...oved redundant voltage regulator information Added new chapter to describe ANNA B1 to ANNA B4 migration Revised Product features summary Design in checklists Handling and soldering chapter R03 28 Jan...

Страница 74: ...ox 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 Supp...

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