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Summary of Contents for RF-Star RF-BM-ND04
- Page 1 RF-BM-ND04 and RF-BM-ND04I nRF52832 Bluetooth 5.0 Low Energy and Bluetooth Mesh Module Version 1.2 Shenzhen RF-star Technology Co., Ltd. May 26 , 2023 All rights reserved. Those responsible for unauthorized reproduction will be prosecuted.
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Page 2: Device Overview
1 Device Overview 1.1 Module Series There is a series of RF-BM-ND04(I) Bluetooth 5.0 Low Energy modules. All of them are based on Nordic nRF52832 SoC. Those modules are pin-to-pin compatible with each other as well. Table 1. Module Series of RF-BM-ND04(I) -
Page 3: Applications
• Access control • Medical devices 1.5 Functional Block Diagram 32.0 MHz 32.768 kHz GPIO nRF52832 Debug LC Filter Antenna Antenna Matching Power Supply Reset 1.7 V ~ 3.6 V RF-BM-ND04 Shenzhen RF-star Technology Co., Ltd. Page 2 of 28... -
Page 4: Part Number Conventions
1.7 V ~ 3.6 V RF-BM-ND04I Figure 1. Functional Block Diagram of RF-BM-ND04(I) 1.6 Part Number Conventions The part numbers are of the form of RF-BM-ND04(I) where the fields are defined as follows: 04(I) Company Name Module Version Without I: nRF52832 PCB Version... -
Page 5: Table Of Contents
4.6 Basic Operation of Hardware Design ...................... 19 4.7 Trouble Shooting .............................. 20 4.7.1 Unsatisfactory Transmission Distance ..................20 4.7.2 Vulnerable Module ..........................21 4.7.3 High Bit Error Rate ..........................21 4.8 Electrostatics Discharge Warnings ......................21 Shenzhen RF-star Technology Co., Ltd. Page 4 of 28... - Page 6 5 Optional Package Specification ..........................23 6 Certification ..................................25 6.1 FCC ..................................25 6.2 SRRC ................................... 25 6.3 CE ..................................26 7 Revision History ................................27 8 Contact Us ..................................28 Shenzhen RF-star Technology Co., Ltd. Page 5 of 28...
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Page 7: Module Configuration And Functions
RF-BM-ND04(I) www.szrfstar.com V1.2 - May, 2023 2 Module Configuration and Functions 2.1 Module Parameters Table 2. Parameters of RF-BM-ND04(I) Chipset nRF52832 Supply Power Voltage 1.7 V ~ 3.6 V, recommended to 3.3 V Frequency 2402 MHz ~ 2480 MHz Transmit Power -20.0 dBm ~ +4.0 dBm (Typical: 0 dBm) -
Page 8: Module Pin Diagram
RF-BM-ND04(I) www.szrfstar.com V1.2 - May, 2023 2.2 Module Pin Diagram RF-BM-ND04 RF-BM-ND04I Figure 3. Pin Diagram of RF-BM-ND04(I) 2.3 Pin Functions Table 3. Pin Functions of RF-BM-ND04 Name Chip Pin Pin Type Description Power Power supply 1.7 V ~ 3.6 V, Recommend 3.3 V General purpose I/O P0.21... - Page 9 General purpose I/O Digital I/O P0.14 General purpose I/O Digital I/O TRACEDATA[3] Trace port output P0.15 General purpose I/O Digital I/O TRACEDATA[2] Trace port output General purpose I/O P0.16 Digital I/O Shenzhen RF-star Technology Co., Ltd. Page 8 of 28...
- Page 10 Digital I/O General purpose I/O P0.25 Digital I/O General purpose I/O General purpose I/O Digital I/O P0.28/AIN4 Analog input SAADC/COMP/LPCOMP input General purpose I/O Digital I/O P0.29/AIN5 Analog input SAADC/COMP/LPCOMP input Shenzhen RF-star Technology Co., Ltd. Page 9 of 28...
- Page 11 P0.15 General purpose I/O Digital I/O TRACEDATA[2] Trace port output P0.16 General purpose I/O Digital I/O TRACEDATA[1] Trace port output Serial wire debug I/O for debugging and SWDIO SWDIO Digital I/O Shenzhen RF-star Technology Co., Ltd. Page 10 of 28...
- Page 12 General purpose I/O P0.18 General purpose I/O Trace port output TRACEDATA[0] Digital I/O Single wire output P0.19 Digital I/O General purpose I/O P0.20 General purpose I/O Digital I/O TRACECLK Trace port clock output Shenzhen RF-star Technology Co., Ltd. Page 11 of 28...
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Page 13: Specifications
The functional operation does not guarantee performance beyond the limits of the conditional parameter values in the table below. Long-term work beyond this limit will affect the reliability of the module more or less. Table 5. Recommended Operating Conditions of RF-BM-ND04(I) Items Condition Min. -
Page 14: Application, Implementation, And Layout
RF-BM-ND04(I) www.szrfstar.com V1.2 - May, 2023 4 Application, Implementation, and Layout 4.1 Module Photos RF-BM-ND04 RF-BM-ND04I Figure 4. Photos of RF-BM-ND04(I) 4.2 Recommended PCB Footprint RF-BM-ND04 Shenzhen RF-star Technology Co., Ltd. Page 13 of 28... -
Page 15: Schematic Diagram
RF-BM-ND04(I) www.szrfstar.com V1.2 - May, 2023 RF-BM-ND04I Figure 5. Recommended PCB Footprint of RF-BM-ND04(I) (mm) 4.3 Schematic Diagram RF-BM-ND04 Shenzhen RF-star Technology Co., Ltd. Page 14 of 28... -
Page 16: Reference Design
RF-BM-ND04(I) www.szrfstar.com V1.2 - May, 2023 RF-BM-ND04I Figure 6. Schematic Diagram of RF-BM-ND04(I) 4.4 Reference Design Note: EN falling edge active. RF-BM-ND04 Shenzhen RF-star Technology Co., Ltd. Page 15 of 28... -
Page 17: Antenna
V1.2 - May, 2023 Note: EN falling edge active. RF-BM-ND04I Figure 7. Reference Design of RF-BM-ND04(I) 4.5 Antenna 4.5.1 Antenna Design Recommendation 1. The antenna installation structure has a great influence on the module performance. It is necessary to ensure the antenna is exposed and preferably vertically upward. -
Page 18: Ipex Connector
Note: The hollow-out position is based on the antenna used. 4.5.2 IPEX Connector RF-BM-ND04I module is integrated the IPEX version 1 antenna seat, the specification of the antenna seat is as follow: Figure 9. Specification of Antenna Seat Shenzhen RF-star Technology Co., Ltd. Page 17 of 28... -
Page 19: Antenna Output Mode Modification
4.5.4 External Antenna Design Recommendation of the Half-Hole ANT Pin 1. A Π-type matching circuit is reserved for the antenna, and 50 Ω impedance control is performed on the RF traces. Shenzhen RF-star Technology Co., Ltd. Page 18 of 28... -
Page 20: Basic Operation Of Hardware Design
1. It is recommended to offer the module with a DC stabilized power supply, a tiny power supply ripple coefficient, and reliable ground. Please pay attention to the correct connection between the positive and negative poles of the power Shenzhen RF-star Technology Co., Ltd. Page 19 of 28... -
Page 21: Trouble Shooting
5. The low voltage of the power supply is lower than the recommended value at ambient temperature, and the lower the voltage, the smaller the power is. Shenzhen RF-star Technology Co., Ltd. Page 20 of 28... -
Page 22: Vulnerable Module
3. If the extension wire or feeder wire is of poor quality or too long, the bit error rate will be high. 4.8 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. - Page 23 Max. 6 ℃/s Time from 25 ℃ to Peak Temperature (t Max. 6 minutes Max. 8 minutes Time of Soldering Zone (t 20±10 s 20±10 s Figure 15. Recommended Reflow for Lead-Free Solder Shenzhen RF-star Technology Co., Ltd. Page 22 of 28...
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Page 24: Optional Package Specification
The default package method is . If you need the modules to be shipped by tape & reel, pls contact us in advance. Figure 16. Default Package by Tray Shenzhen RF-star Technology Co., Ltd. Page 23 of 28... - Page 25 RF-BM-ND04(I) www.szrfstar.com V1.2 - May, 2023 Figure 17. Package by Tape & Reel Shenzhen RF-star Technology Co., Ltd. Page 24 of 28...
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Page 26: Certification
(2) this device must accept any interference received, including interference that may cause undesired operation. FCC ID: 2ABN2-FBMND04 Figure 18. FCC Certificate of RF-BM-ND04 6.2 SRRC SRRC ID: 2019DP6546 Figure 19. SRRC Certificate of RF-BM-ND04 Shenzhen RF-star Technology Co., Ltd. - Page 27 RF-BM-ND04(I) www.szrfstar.com V1.2 - May, 2023 6.3 CE Figure 20. CE Certificate of RF-BM-ND04 Shenzhen RF-star Technology Co., Ltd. Page 26 of 28...
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Page 28: Revision History
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.rfstariot.com and www.szrfstar.com. Shenzhen RF-star Technology Co., Ltd. Page 27 of 28... -
Page 29: Contact Us
RF-BM-ND04(I) www.szrfstar.com V1.2 - May, 2023 8 Contact Us SHENZHEN RF-STAR TECHNOLOGY CO., LTD. Shenzhen HQ: Add.: Room 502, Podium Building No. 12, Shenzhen Bay Science and Technology Ecological Park, Nanshan District, Shenzhen, Guangdong, China, 518063 Tel.: 86-755-8632 9829 Chengdu Branch: Add.: N2-1604, Global Center, North No.
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