u-blox NORA-W2 Series Hardware Integration Manual Download Page 59

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NORA-W2 series - Hardware integration manual

UBX-22005177 - R01

Appendix

Page 59 of 61

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Public

Glossary

Abbreviation

Definition

AEC

Automotive Electronics Council

Access Point

API

Application Programming Interface

ATE

Automatic Test Equipment

Bluetooth

CDM

Charged Device Model

European Conformity

CTS

Clear to Send

Direct Current

DDR

Double Data Rate

DFS

Dynamic Frequency Selection

DHCP

Dynamic Host Configuration Interface

EDR

Enhanced Data Rate

EEPROM

Electrically Erasable Programmable Read-Only Memory

EIRP

Equivalent Isotropic Radiated Power

EMI

Electromagnetic Interference

ESD

Electro Static Discharge

ESL

FCC

Federal Communications Commission

GND

Ground

GPIO

General Purpose Input/Output

HBM

Human Body Model

High-Speed

HCI

Host Controller Interface

ISED

Innovation, Science and Economic Development Canada

I2C

Inter-Integrated Circuit

KDB

Knowledge Database

LAN

Local Area Network

LDO

Low Drop Out

LED

Light-Emitting Diode

LPO

Low Power Oscillator

LTE

Long Term Evolution

MAC

Medium Access Control

MMC

Multi Media Card

MWS

Mobile Wireless Standards

NRE

Non-recurring engineering

NSMD

Non Solder Mask Defined

OEM

Original equipment manufacturer

OET

Office of Engineering and Technology

Operating System

PCB

Printed Circuit Board

PCI

Peripheral Component Interconnect

PCIe

PCI Express

Summary of Contents for NORA-W2 Series

Page 1: ...ucts and explains the hardware design in software component handling regulatory compliance and testing of the modules It also lists the external antennas approved for use with the module NORA W2 modul...

Page 2: ...is document applies to the following products Product name Ordering code Type number FW version IN PCN Product status NORA W251AWS NORA W251AWS 00B NORA W251AWS 00B 00 1 1 N A Initial Production NORA...

Page 3: ...s 10 2 4 2 Approved antenna designs 11 2 5 Data interfaces 12 2 5 1 Universal asynchronous serial interface UART 12 2 6 Module control 12 2 7 Other remarks 12 2 7 1 No Connect pins NC 12 2 7 2 GND pin...

Page 4: ...w soldering process 33 5 3 1 Cleaning 34 5 3 2 Other remarks 34 6 Regulatory compliance 35 6 1 Country approvals 35 6 2 European Union regulatory compliance 35 6 2 1 Radio Equipment Directive RED 2014...

Page 5: ...mpliance 44 6 11Safety compliance 44 7 Pre approved antennas list 45 7 1 Antenna accessories 45 7 2 Single band antennas 46 8 Product testing 49 8 1 Radio test and compliance 49 8 2 u blox in line pro...

Page 6: ...ss NORA W2 runs only in the presence of authenticated software The small size and the embedded security capabilities make NORA W2 modules ideal for critical IoT applications where security is importan...

Page 7: ...s block diagram Linear voltage regulators RF Wi Fi baseband Bluetooth LE Baseband IO buffers Xtensa Dual core 32 bit LX7 MCU SRAM 512 kB Cryptographic hardware accelerators PLL VCC_IO VCC 3 0 3 6V 40...

Page 8: ...ost CPU The power supply is sourced from the VCC and VIO pins If external antennas are needed NORA W251 supports U FL connector pads for RF connection NORA W251 with U FL connectors is especially usef...

Page 9: ...hat the AC ripple voltage is kept as low as possible at the switching frequency Design layouts should focus on minimizing the impact of any high frequency ringing Use an LDO linear regulator for prima...

Page 10: ...evice will wake up on optional timeout EXPRESSLINK_WAKE pin or UART input Toggling the EXPRESSLINK_WAKE pin on NORA W2 module when module is in light sleep or deep sleep or idle mode allows the module...

Page 11: ...signer integrating a u blox reference design into an end product is solely responsible for any unintentional emission levels produced by the end product For Bluetooth and Wi Fi operation NORA W2 modul...

Page 12: ...compliance The IO level of the UART follows VCC_IO 2 6 Module control NORA W2 series modules provide wake up and event signals that handle the low power modes for both Wi Fi and Bluetooth See also Po...

Page 13: ...plication design is required to guarantee for correct boot up and system operation Ensure that the voltage level is correctly defined during module boot It is important to follow the schematic and lay...

Page 14: ...substrate PCB Choose antennas with optimal radiating performance in the operating bands Radiation performance depends on the complete product and antenna system design including the mechanical design...

Page 15: ...ified in some regulatory country authorities like the FCC in the United States A useful approach for the antenna micro strip design is to place a U FL connector close to the embedded PCB or chip anten...

Page 16: ...ed to reduce dielectric losses o If traces longer 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 an...

Page 17: ...umbers and follow the layout requirements 3 2 3 1 RF connector design If an external antenna is required the designer should consider using a proper RF connector It is the responsibility of the design...

Page 18: ...apply for proper layout of the connector Strictly follow the connector manufacturer s recommended layout o SMA Pin Through Hole connectors require GND keep out that is clearance a void area on all the...

Page 19: ...ms like LTE sidebands on 2 4 GHz band Transmitted power may interact or disturb the performance of NORA W2 series modules 3 2 4 NORA W256AWS If a plastic enclosure is used it is possible to use NORA W...

Page 20: ...ardware integration manual UBX 22005177 R01 Design in Page 20 of 61 C1 Public Figure 6 GND plane guard area enclosing the NORA W256AWS module Figure 7 Size of the GND cut out for the PCB trace antenna...

Page 21: ...f the antenna to High frequency busses like DDRs and related components Alternatively consider an optional metal shield to reduce interferences that might otherwise be picked up by the antenna and sub...

Page 22: ...layout complements the pin layout of the module Both Solder Mask Defined SMD and Non Solder Mask Defined NSMD pins can be used with adherence to the following considerations All pins should be Non So...

Page 23: ...e Use the following hardware techniques to further improve thermal dissipation in the module and optimize its performance in customer applications Maximize the return loss of the antenna to reduce ref...

Page 24: ...rconnecting cables to auxiliary equipment depends on the device accessible interfaces and manufacturer requirements as defined by the ETSI EN 301 489 1 Contact discharges are performed at conductive s...

Page 25: ...traces follow the recommendations given by the PCB manufacturer All pins are properly connected and the footprint follows u blox pin design recommendations Proper clearance has been provided between...

Page 26: ...ORA W2 AWS IoT ExpressLink firmware release notes 13 4 2 AWS specific AT commands for u blox module In addition to the commands described in the AWS IoT ExpressLink programmer s guide u blox have impl...

Page 27: ...account serves as a starting gate to binding the devices to a customer OEM account See also Generate a claim thing certificate in the AWS IoT ExpressLink Onboarding by Claim Customer OEM Guide 12 For...

Page 28: ...ce needs to be enabled from host Enter the following AT command to enable the service AT CONFMODE SERVICE_NAME_PREFIX SERVICE_NAME_PREFIX is optional If left unspecified this is set to PROV_ The comma...

Page 29: ...abilities of the connected device in JSON format JSON response example prov ver v1 1 cap no_sec wifi_scan Figure 9 Bluetooth LE connection and capabilities example 4 5 2 Scan for available networks In...

Page 30: ...an 4 5 3 Provision device In this step the device is provisioned This means that the SSID and passphrase of the device is configured For message and command details see the Wi Fi provisioning messages...

Page 31: ...pressLink Page 31 of 61 C1 Public 1 Write protobuf message CmdGetStatus to the GATT characteristic prov config 0xFF52 2 Read protobuf response status message RespGetStatus from the GATT characteristic...

Page 32: ...ays be to 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...

Page 33: ...ofile used is dependent on the thermal mass of the entire populated PCB heat transfer efficiency of the oven and particular type of solder paste used The optimal soldering profile must be trimmed for...

Page 34: ...e soldered on it 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 solderi...

Page 35: ...s the radio module of u blox or any other manufacturer 6 2 European Union regulatory compliance For information about the regulatory compliance of NORA W2 series modules against requirements and provi...

Page 36: ...This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference...

Page 37: ...e host product will not have the capability to operate on the operating channels frequencies referred to in the section s below namely one or several of the following channels 12 2467 MHz 13 2472 MHz...

Page 38: ...separation distance of at least 20 cm between the user or bystander and the antenna or radiating element The separation distance may be reduced to 35 mm in applications where the WLAN capability is tu...

Page 39: ...ct to the following two conditions 1 This device may not cause interference 2 This device must accept any interference including interference that may cause undesired operation of the device L metteur...

Page 40: ...eived including interference that may cause undesired operation The label must be affixed on an exterior surface of the end product such that it will be visible upon inspection in compliance with the...

Page 41: ...o the grant file as a Class II Permissive Change 6 4 7 3 Adding a new antenna for authorization If the authorized antennas and or antenna trace design cannot be used the new antenna and or antenna tra...

Page 42: ...ency devices shall not influence aircraft security and interfere legal communications If any interference is found or suspected the user shall immediately cease operating the equipment until the inter...

Page 43: ...506 Statement translation This equipment operates on a secondary basis and consequently must accept harmful interference including from stations of the same kind and may not cause harmful interference...

Page 44: ...iance refer to the Australian Communications and Media Authority web site http www acma gov au For more information on New Zealand compliance refer to the New Zealand Radio Spectrum Management Group w...

Page 45: ...ce ecessaire pour chaque type d antenne indiqu Les types d antenne ne figurant pas dans cette liste et ayant un gain sup rieur au gain maximum indiqu pour ce type l sont strictement interdits d utilis...

Page 46: ...nna ANT 2 4 CW RH RPS Manufacturer Linx Polarization Vertical Gain 1 0 dBi Impedance 50 Size 7 4 x 27 0 mm Type Monopole Connector Reverse Polarity SMA plug inner thread and pin receptacle Comment To...

Page 47: ...L ACMA and ICASA Wi Fi Bluetooth Bluetooth LE external whip antenna PN PRO EX 333 Manufacturer Abracon Polarization Vertical Gain 3 0 dBi Impedance 50 Size 10 x 83 mm Type Monopole Connector Reverse P...

Page 48: ...7 x 12 mm triangular Type Patch Cable length 100 mm Connector U FL connector Comment Should be attached to a plastic enclosure or part for best performance To be mounted with a U FL connector For info...

Page 49: ...points EXPRESSLINK_TXD pin G8 EXPRESSLINK_RXD pin G9 GPIO0 pin F7 RESET_N pin J3 is optional as the module can also be reset by cycling the power 8 2 u blox in line production test As part of our focu...

Page 50: ...are well soldered on device board o There are no short circuits between pins Component assembly on the device it should be verified that o Communication with host controller can be established o The...

Page 51: ...l Strength Indicator RSSI is acceptable Tests of this kind may be useful as a go no go test but are not appropriate for RF performance measurements Go No go tests are suitable for checking communicati...

Page 52: ...1Payload sec1 11 message S0SessionCmd message S0SessionResp Status status 1 enum Sec0MsgType S0_Session_Command 0 S0_Session_Response 1 message Sec0Payload Sec0MsgType msg 1 oneof payload S0SessionCmd...

Page 53: ...5 CryptoError 6 InvalidSession 7 enum WiFiScanMsgType TypeCmdScanStart 0 TypeRespScanStart 1 TypeCmdScanStatus 2 TypeRespScanStatus 3 TypeCmdScanResult 4 TypeRespScanResult 5 enum WifiAuthMode Open 0...

Page 54: ...Payload WiFiScanMsgType msg TypeCmdScanStart CmdScanStart cmd_scan_start payload blocking true passive false group_channels 0 period_ms 120 Example Java CmdScanStart configRequest CmdScanStart newBuil...

Page 55: ...5 CmdScanResult WiFiScanPayload WiFiScanMsgType msg TypeCmdScanResult CmdScanResult cmd_scan_result payload start_index start_index_to_read_from count number_of_entities_to_read 6 RespScanResult WiFiS...

Page 56: ...nnecting 1 Disconnected 2 ConnectionFailed 3 enum WifiConnectFailedReason AuthError 0 NetworkNotFound 1 enum WifiAuthMode Open 0 WEP 1 WPA_PSK 2 WPA2_PSK 3 WPA_WPA2_PSK 4 WPA2_ENTERPRISE 5 WPA3_PSK 6...

Page 57: ...SetConfig WiFiConfigPayload WiFiConfigMsgType msg TypeCmdSetConfig CmdSetConfig cmd_set_config payload ssid selected_ssid passphrase Wi Fi_passphrase Example Java CmdSetConfig cmdSetConfig CmdSetConfi...

Page 58: ...msg TypeRespApplyConfig RespGetStatus resp_get_status payload status command_status_of_type_Status WifiStationState sta_state connection_status oneof state WifiConnectFailedReason fail_reason 10 Wifi...

Page 59: ...Power EMI Electromagnetic Interference ESD Electro Static Discharge ESL FCC Federal Communications Commission GND Ground GPIO General Purpose Input Output HBM Human Body Model HS High Speed HCI Host C...

Page 60: ...gital Input Output SMD Solder Mask Defined SMPS Switching Mode Power Supply SMT Surface Mount Technology SSID Service Set Identifier STA Station TBD To be Decided THT Through Hole Technology UART Univ...

Page 61: ...r guide UBX 21045749 10 AWS IoT ExpressLink developer documentation https aws amazon com iot expresslink 11 AWS IoT ExpressLink programmer s guide https docs aws amazon com iot expresslink latest prog...

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