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RF-BM-BG22A3(I)

www.szrfstar.com

V1.3 - Aug., 2022

Shenzhen RF-star Technology Co., Ltd.

Page 25 of 26

6 Revision History

Date

Version No.

Description

2020.09.10

V1.0

The initial version is released.

2021.01.21

V1.1

Update the unit of Flash.

2022.05.12

V1.2

Modify the power supply.

Add the antenna specifications.

Add the RF-BM-BG22A3I specifications.

2022.08.12

V1.3

Add the setting of frequency offset register.

Add the max. power supply of the RESET pin.

Note:

The document will be optimized and updated from time to time. Before using this document, please make sure it is

the latest version.

To obtain the latest document, please download it from the official website:

www.rfstariot.com

and

www.szrfstar.com

Содержание EFR32BG22C224

Страница 1: ...RF BM BG22A3 I EFR32BG22C224 Bluetooth 5 2 Low Energy Module Version 1 3 Shenzhen RF star Technology Co Ltd August 12th 2022...

Страница 2: ...cko family of SoCs from Silicon Labs with a 32 bit ARM Cortex M33 core with 76 8 MHz maximum operating frequency It integrates a 38 4 MHz crystal a matching an antenna matching a low pass filter and t...

Страница 3: ...Synchronous Asynchronous Receiver Transmitter UART SPI SmartCard ISO 7816 IrDA I2S 1 Enhanced Universal Asynchronous Receiver Transmitter EUART 2 I2C interface with SMBus support Digital microphone i...

Страница 4: ...fields are defined as follows Figure 2 Part Number Conventions of RF BM BG22A3 I EFR32 BG22 GPIOs Debug Reset Low Pass Filter Power Supply DC DC mode 2 2 V to 3 8 V Bypass mode 1 8 V to 3 8 V Antenna...

Страница 5: ...2 Module Pin Diagram 8 2 3 Pin Functions 8 3 Specifications 10 3 1 Recommended Operating Conditions 10 3 2 Handling Ratings 10 3 3 Current Consumption 10 4 Setting of Frequency Offset Register 12 5 Ap...

Страница 6: ...BG22A3 I 14 Figure 5 Recommended PCB Footprint of RF BM BG22A3 I mm 15 Figure 6 Schematic Diagram of RF BM BG22A3 I 15 Figure 7 Recommendation of Antenna Layout 16 Figure 8 Antenna Output Mode Change...

Страница 7: ...Co Ltd Page 6 of 26 Table 3 Pin Functions of RF BM BG22A3 I 8 Table 4 Recommended Operating Conditions of RF BM BG22A3 I 10 Table 5 Handling Ratings of RF BM BG22A3 I 10 Table 6 Current Consumption o...

Страница 8: ...y 98 9 dBm sensitivity 1 Mbit s GFSK 96 2 dBm sensitivity 2 Mbit s GFSK 106 7 dBm sensitivity 125 kbps GFSK GPIO 18 Crystal 38 4 MHz RAM 32 KB Flash 512 KB Package SMT Packaging 1 27 mm half hole pitc...

Страница 9: ...gure 3 Pin Diagram of RF BM BG22A3 I 2 3 Pin Functions Table 3 Pin Functions of RF BM BG22A3 I Pin Name Chip Pin Pin Type Description 1 EXT_ANT External antenna pin 2 PB02 PB02 I O GPIO 3 PB01 PB01 I...

Страница 10: ...n is 1 8 V under DC DC mode 12 PA01 PA01 I O GPIO SWCLK connect j link 13 PA02 PA02 I O GPIO SWDIO connect j link 14 GND GND Ground 15 VCC VCC VCC 2 2 V 3 8 V recommended to 3 3 V 16 PD01 PD01 I O GPI...

Страница 11: ...Frequency Range 2402 2480 MHz Operating Temperature 40 25 85 Environmental Hot Pendulum 20 20 min 3 2 Handling Ratings All measurements are based on the Silicon Labs reference design and datasheet Ta...

Страница 12: ...www szrfstar com V1 3 Aug 2022 Shenzhen RF star Technology Co Ltd Page 11 of 26 Note The test method is closely related to the current For example the output load antenna is different from the standar...

Страница 13: ...the hardware RF part If the frequency offset is needed to be modified you can find the sl_device_init_hfxo_config h file in the corresponding project and modify the CTUNE value Take the empty_RGB proj...

Страница 14: ...iliconLabs is 140 RF star changes it to 72 according to the requirements of the development board hardware RF part Remark This is the value for RF star s standard EFR32BG22 series modules the value of...

Страница 15: ...com V1 3 Aug 2022 Shenzhen RF star Technology Co Ltd Page 14 of 26 5 Application Implementation and Layout 5 1 Module Photos RF BM BG22A3 RF BM BG22A3I Figure 4 Photos of RF BM BG22A3 I 5 2 Recommende...

Страница 16: ...ww szrfstar com V1 3 Aug 2022 Shenzhen RF star Technology Co Ltd Page 15 of 26 RF BM BG22A1I Figure 5 Recommended PCB Footprint of RF BM BG22A3 I mm 5 3 Schematic Diagram Figure 6 Schematic Diagram of...

Страница 17: ...F antenna position on PCB is free space electromagnetic radiation The location and layout of the antenna are key factors to increase the data rate and transmission range Therefore the layout of the m...

Страница 18: ...IPEX connector and the capacitor connected to the IPEX is welded If you want to use the external antenna by the ANT pin the capacitor position should be removed to the left solder joint to have the a...

Страница 19: ...are and the impedance is controlled to 50 according to the actual board thickness number of layers plate dielectric thickness dielectric constant copper thickness line width line spacing and solder ma...

Страница 20: ...of 26 5 4 4 IPEX Connector Specification RF BM BG22A3I module is integrated the IPEX version 1 antenna seat the specification of the antenna seat is as follows Figure 13 Specification of Antenna Seat...

Страница 21: ...ssuming that the module is soldered or placed in the Top Layer it is also wrong to randomly route the Bottom Layer or other layers which will affect the spurs and receiving sensitivity of the module t...

Страница 22: ...or too low temperature 5 6 3 High Bit Error Rate 1 There are co channel signal interferences nearby It is recommended to be away from the interference sources or modify the frequency and channel to a...

Страница 23: ...in 100 150 Max Preheating Temperature Tmax 150 200 Preheating Time Tmin to Tmax t1 60 s 120 s 60 s 120 s Average Ascend Rate Tmax to Tp Max 3 s Max 3 s Liquid Temperature TL 183 217 Time above Liquidu...

Страница 24: ...g 2022 Shenzhen RF star Technology Co Ltd Page 23 of 26 5 9 Optional Package Specification The default package method is by tray If you need the modules to be shipped by tape reel pls contact us in ad...

Страница 25: ...RF BM BG22A3 I www szrfstar com V1 3 Aug 2022 Shenzhen RF star Technology Co Ltd Page 24 of 26 Figure 17 Package by Tape Reel...

Страница 26: ...Modify the power supply Add the antenna specifications Add the RF BM BG22A3I specifications 2022 08 12 V1 3 Add the setting of frequency offset register Add the max power supply of the RESET pin Note...

Страница 27: ...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 Tec...

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