Related Manuals for RF-Star RF-CC2540A1
Summary of Contents for RF-Star RF-CC2540A1
- Page 1 RF-CC2540A1 Bluetooth Low Energy Module Version 1.1 Shenzhen RF-star Technology Co., Ltd. May 15 , 2020...
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Page 2: Ti Cc254X Ble Module List
1. The communication distance is the longest distance obtained by testing the module's maximum transmission power in an open and interference-free environment in sunny weather. 2. Click the picture to buy modules. Shenzhen RF-star Technology Co., Ltd. Page 1 of 19... -
Page 3: Device Overview
1.1 Description RF-CC2540A1 is a Bluetooth Low Energy (BLE) module based on TI CC2540F256, an 8051 core BLE System-on-Chip (SoC). This PCB module integrates a 32 MHz crystal, a 32.768 kHz crystal, an LC balun, an RF matching filter, and a meander line PCB antenna. -
Page 4: Functional Block Diagram
Reset 2.0 V ~ 3.6 V Figure 1. Functional Block Diagram of RF-CC2540A1 1.5 Part Number Conventions The part numbers are of the form of RF-CC2540A1 where the fields are defined as follows: CC2540 Module Version The First Verion Company Name... -
Page 5: Table Of Contents
4.5.1 Unsatisfactory Transmission Distance ..................15 4.5.2 Vulnerable Module ..........................15 4.5.3 High Bit Error Rate ..........................15 4.6 Electrostatics Discharge Warnings ......................15 4.7 Soldering and Reflow Condition ......................... 16 Shenzhen RF-star Technology Co., Ltd. Page 4 of 19... -
Page 6: Table Of Figures
Figure 3. Pin Diagram of RF-CC2540A1 ......................7 Figure 4. Photos of RF-CC2540A1 ........................12 Figure 5. Recommended PCB Footprint of RF-CC2540A1 (mm) ............12 Figure 6. Optional Packaging Mode ......................... 13 Figure 7. Recommendation of Antenna Layout ................... 14 Figure 8. -
Page 7: Module Configuration And Functions
RF-CC2540A1 www.szrfstar.com V1.1 - May, 2020 2 Module Configuration and Functions 2.1 Module Parameters Table 1. Parameters of RF-CC2540A1 Chipset CC2540F256 Supply Power Voltage 2.0 V ~ 3.6 V, recommended to 3.3 V Frequency 2402 MHz ~ 2480 MHz Transmit Power Programmable: -23.0 dBm ~ +4.0 dBm... -
Page 8: Module Pin Diagram
RF-CC2540A1 www.szrfstar.com V1.1 - May, 2020 2.2 Module Pin Diagram Figure 3. Pin Diagram of RF-CC2540A1 2.3 Pin Functions Table 2. Pin Functions of RF-CC2540A1 Name Chip Pin Pin Type Description Power supply 2.0 V ~ 3.6 V Ground P2.2... - Page 9 RF-CC2540A1 www.szrfstar.com V1.1 - May, 2020 P1.2 P1.1 P1.0 P0.7 P0.6 P0.5 P0.4 P0.3 P0.2 P0.1 P0.0 Reset, active low RESET RESET Ground Shenzhen RF-star Technology Co., Ltd. Page 8 of 19...
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Page 10: Specifications
3.3 Receiver RF Parameters Table 5. Table of Receiver RF Parameters When measured on the RF-CC2540A1 reference design with T A = 25 ℃, V BAT = 3.3 V, Fc = 2440 MHz with DC/DC enabled unless otherwise noted. 1 MBPS, GFSK, 250 kHz deviation, Bluetooth low energy mode, and 0.1% BER... -
Page 11: Transceiver Rf Parameters
3.4 Transceiver RF Parameters Table 6. Table of Transceiver RF Parameters When measured on the RF-CC2540A1 reference design with T A = 25 ℃, V BAT = 3.3 V, Fc = 2440 MHz with DC/DC enabled unless otherwise noted. Parameters Test Condition Min. - Page 12 TX mode, +4. dBm output power, no peripherals 31.6 active, low MCU activity, MCU at 250 kHz Optimum Load Differential impedance as seen from the RF port Ω 70 + j30 Impedance (RF_P and RF_N) toward the antenna Shenzhen RF-star Technology Co., Ltd. Page 11 of 19...
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Page 13: Application, Implementation, And Layout
RF-CC2540A1 www.szrfstar.com V1.1 - May, 2020 4 Application, Implementation, and Layout 4.1 Module Photos Figure 4. Photos of RF-CC2540A1 4.2 Recommended PCB Footprint Figure 5. Recommended PCB Footprint of RF-CC2540A1 (mm) Shenzhen RF-star Technology Co., Ltd. Page 12 of 19... -
Page 14: Schematic Diagram
6. Assuming that there are devices with large electromagnetic interference around the module, which will 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. Shenzhen RF-star Technology Co., Ltd. Page 13 of 19... -
Page 15: Figure 7. Recommendation Of Antenna Layout
（3） It is the best to hollow out the red part of the antenna position in the following figure so as to ensure that S11 of the module is minimally affected. Figure 7. Recommendation of Antenna Layout Note: The hollow-out position is based on the antenna used. Shenzhen RF-star Technology Co., Ltd. Page 14 of 19... -
Page 16: Trouble Shooting
3. If the extension wire or feeder wire is of poor quality 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 suggest that all modules should follow the 3 precautions below: 1. -
Page 17: Soldering And Reflow Condition
Time from 25 ℃ to Peak Temperature (t Max. 6 minutes Max. 8 minutes 20±10 s 20±10 s Time of Soldering Zone (t Figure 8. Recommended Reflow for Lead Free Solder Shenzhen RF-star Technology Co., Ltd. Page 16 of 19... -
Page 18: Optional Packaging
RF-CC2540A1 www.szrfstar.com V1.1 - May, 2020 4.8 Optional Packaging Figure 9. Optional Packaging Mode Note: Default tray packaging. Shenzhen RF-star Technology Co., Ltd. Page 17 of 19... -
Page 19: 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.szrfstar.com. Shenzhen RF-star Technology Co., Ltd. Page 18 of 19... -
Page 20: Contact Us
RF-CC2540A1 www.szrfstar.com V1.1 - May, 2020 6 Contact Us SHENZHEN RF-STAR TECHNOLOGY CO., LTD. Shenzhen HQ: Add.: Room 601, Block C, Skyworth Building, High-tech Park, Nanshan District, Shenzhen, Guangdong, China Tel.: 86-755-3695 3756 Chengdu Branch: Add.: No. B3-03, Building No.1, Incubation Park, High-Tech District, Chengdu, Sichuan, China, 610000 Tel.: 86-28-6577 5970...
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