RF-Star RF-BM-BG22B1, Manual

Page 1: ...RF BM BG22B1 EFR32BG22 Bluetooth 5 2 Low Energy Module Version 1 0 Shenzhen RF star Technology Co Ltd ...

Page 2: ...38 4 MHz maximum operating frequency It integrates a 38 4 MHz crystal a matching an antenna matching a low pass filter and antenna options of a meander line inverted F PCB antenna and a half hole interface It supports Bluetooth 5 2 low energy and can be preprogrammed with a serial interface communication protocol for simple programming It also has a range of analog and digital interfaces such as P...

Page 3: ...e interface PDM Precision Low Frequency RC Oscillator enabling single crystal operation RFSENSE with selective OOK mode Die temperature sensor with 2 degree C accuracy across temperature range Wide Operation Range 2 2 V to 3 8 V single power supply Operating temperature 40 C to 85 C Security Features Secure Boot with Root of Trust and Secure Loader RTSL Hardware Cryptographic Acceleration for AES1...

Page 4: ...ock Diagram of RF BM BG22B1 1 6 Part Number Conventions The part numbers are of the form of RF BM BG22B1 where the fields are defined as follows Figure 2 Part Number Conventions of RF BM BG22B1 RF BM BG22 Company Name RF star Wireless Type Bluetooth Module Chipset Silicon Labs EFR32BG22 Series B1 Module Version The first version ...

Page 5: ... 6 2 3 Pin Functions 6 3 Specifications 7 3 1 Recommended Operating Conditions 7 3 2 Handling Ratings 7 4 Application Implementation and Layout 8 4 1 Module Photos 8 4 2 Recommended PCB Footprint 8 4 3 Antenna 9 4 3 1 Antenna Design Recommendation 9 4 4 Basic Operation of Hardware Design 9 4 5 Trouble Shooting 10 4 5 1 Unsatisfactory Transmission Distance 10 4 5 2 Vulnerable Module 11 4 5 3 High B...

Page 6: ...2402 MHz 2480 MHz Transmit Power 28 0 dBm 0 dBm typical 0 dBm Receiving Sensitivity 98 9 dBm sensitivity 1 Mbit s GFSK 96 2 dBm sensitivity 2 Mbit s GFSK Power Consumption 3 6 mA RX current 1 Mbps GFSK 4 1 mA TX current 0 dBm output power GPIO 18 Crystal 38 4 MHz RAM 32 kB Flash 352 kB Package SMT Packaging Frequency Error 24 kHz Dimension 16 6 11 2 2 10 mm Type of Antenna PCB antenna half hole an...

Page 7: ...ions of RF BM BG22B1 Pin Name Pin Type Description Pin1 GND Ground Pin2 VCC 2 2 V 3 8 V recommended to 3 3 V Pin3 PA01 SWCLK I O GPIO SWCLK connect jlink Pin4 PA02 SWDIO I O GPIO SWDIO connect jlink Pin5 RESET I Reset active low internal pull up Pin6 PA03 I O GPIO Pin7 PA04 I O GPIO Pin8 GND Ground Pin9 GND Ground Pin10 PC02 I O GPIO Pin11 PC03 I O GPIO Pin12 PC04 I O GPIO ...

Page 8: ...he table below Long term work beyond this limit will affect the reliability of the module more or less Table 4 Recommended Operating Conditions of RF BM BG22B1 Items Condition Min Typ Max Unit Operating Supply Voltage Battery Mode 2 2 3 3 3 8 V Frequency Range 2402 2480 MHz Operating Temperature 40 25 85 Environmental Hot Pendulum 20 20 min 3 2 Handling Ratings Table 5 Handling Ratings of RF BM BG...

Page 9: ... com Shenzhen RF star Technology Co Ltd Page 8 of 15 4 Application Implementation and Layout 4 1 Module Photos Figure 4 Photos of RF BM BG22B1 4 2 Recommended PCB Footprint Figure 5 Recommended PCB Footprint of RF BM BG22B1 mm ...

Page 10: ...as follows 1 Place the antenna on the edge corner of the PCB 2 Make sure that there is no signal line or copper foil in each layer below the antenna 3 It is best to hollow out the antenna position in the following figure to ensure that the S11 of the module is minimally affected Figure 6 Recommendation of Antenna Layout Note The hollow out position is based on the antenna used 4 4 Basic Operation ...

Page 11: ... electromagnetic interference around the module high frequency digital high frequency analog power routings which will also greatly affect the module performance It is recommended to stay away from the module according to the strength of the interference If circumstances permit appropriate isolation and shielding can be done 8 It is recommended to stay away from the devices whose TTL protocol is t...

Page 12: ...ty or too long the bit error rate will be high 4 6 Electrostatics Discharge Warnings The module will be damaged for the discharge of static RF star suggests that all modules should follow the 3 precautions below 1 According to the anti static measures bare hands are not allowed to touch modules 2 Modules must be placed in anti static areas 3 Take the anti static circuitry when inputting HV or VHF ...

Page 13: ...ure TL 183 217 Time above Liquidus tL 60 s 90 s 30 s 90 s Peak Temperature Tp 220 235 230 250 Average Descend Rate Tp to Tmax Max 6 s Max 6 s Time from 25 to Peak Temperature t2 Max 6 minutes Max 8 minutes Time of Soldering Zone tP 20 10 s 20 10 s Figure 7 Recommended Reflow for Lead Free Solder ...

Page 14: ...l Packaging Mode Note Default tray packaging 5 FCC Warning 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 2 This device must accept any interference received including interference that may cause undesiredoperation ...

Page 15: ...e Version No Description 2022 06 10 V1 0 The initial version is released Note 1 The document will be optimized and updated from time to time Before using this document please make sure it is the latest version 2 To obtain the latest document please download it from the official website www szrfstar com ...

Page 16: ...TD Shenzhen HQ Add C601 Skyworth Building High tech Park Nanshan District Shenzhen Guangdong China 518057 Tel 86 755 3695 3756 Chengdu Branch Add N2 1604 Global Center North No 1700 Tianfu Avenue Hi Tech District Chengdu Sichuan China 610095 Tel 86 28 6577 5970 Email sunny szrfstar com sales szrfstar com Web www szrfstar com ...

Page 17: ...Exposure Statement This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment This transmitter must not be co located or operating in conjunction with any other antenna or transmitter If the FCC identification number is not visible when the module is installed inside another device then the outside of the device into which the module is installed must als...

Page 18: ...o operate the equipment The devices must be installed and used in strict accordance with the manufacturer s instructions as described in the user documentation that comes with the product Any company of the host device which install modular with limit modular approval should perform the test of radiated conducted emission and spurious emission etc according to FCC part 15C 15 247 and 15 209 15 207...