Subscribe to Our Youtube Channel
Related Manuals for RF-Star RF-WM-3235A1S
Summary of Contents for RF-Star RF-WM-3235A1S
- Page 1 RF-WM-3235A1S 2.4 GHz & 5 GHz Dual-Band Wi-Fi Module Version 1.0 Shenzhen RF-star Technology Co., Ltd. Jun. 18 , 2020...
-
Page 2: Wi-Fi Module List
3. All modules with PCB / Chip antenna and IPEX connector are dispatched with PCB / Chip antenna only by default. If IPEX connector is needed, pls check with me before quotation. Shenzhen RF-star Technology Co., Ltd. Page 1 of 28... -
Page 3: Device Overview
1 Device Overview 1.1 Description RF-WM-3235A1S is an RF module based on TI lower-power SoC CC3235S with built-in dual-band Wi-Fi connectivity. It integrates a 40 MHz crystal, 32.768 kHz RTC clock, RF filters, diplexer, and two physical separated on-chip MCUs: ®... -
Page 4: Applications
• Grid Infrastructure • Appliances 1.4 Functional Block Diagram 40.0 MHz 32.768 kHz 2.4 GHz Combiner CC3235S GPIOs PCB Antenna 5.0 GHz Power Reset Management System Figure 1. Functional Block Diagram of RF-WM-3235A1S Shenzhen RF-star Technology Co., Ltd. Page 3 of 28... -
Page 5: Part Number Conventions
RF-WM-3235A1S www.szrfstar.com V1.0 - Jun., 2020 1.5 Part Number Conventions The part numbers are of the form of RF-WM-3235A1S where the fields are defined as follows: 3235 Company Name Module Version CC3235S Antenna Version RF-STAR Wireless Type Chipset Wi-Fi Module TI CC3235S Figure 2. -
Page 6: Table Of Contents
4 Application, Implementation, and Layout ......................20 4.1 Module Photos ..............................20 4.2 Recommended PCB Footprint ........................20 4.3 Schematic Diagram ............................21 4.4 Basic Operation of Hardware Design ...................... 21 4.5 Trouble Shooting .............................. 23 Shenzhen RF-star Technology Co., Ltd. Page 5 of 28... -
Page 7: Table Of Figures
Figure 6. TX Power and IBAT vs TX Power Level Settings (54 OFDM) ..........17 Figure 7. Photos of RF-WM-3235A1S ......................20 Figure 8. Recommended PCB Footprint of RF-WM-3235A1S (Top View) (mm) ......20 Figure 9. Schematic Diagram of RF-WM-3235A1S ................... 21 Figure 10. -
Page 8: Table Of Tables
Table 2. Pin Functions of RF-WM-3235A1S ....................9 Table 3. Absolute Maximum Ratings ........................ 12 Table 4. Recommended Operating Conditions of RF-WM-3235A1S ..........12 Table 5. The Table of Current Consumption Summary 2.4 GHz RF Band........12 Table 6. The Table of Current Consumption Summary 5 GHz RF Band ........... 14 Table 7. -
Page 9: Module Configuration And Functions
RF-WM-3235A1S www.szrfstar.com V1.0 - Jun., 2020 2 Module Configuration and Functions 2.1 Module Parameters Table 1. Parameters of RF-WM-3235A1S Chipset CC3235S Supply Power Voltage 2.7 V ~ 3.6 V, 3.3 V is recommended Frequency 2.4 GHz, 5 GHz +18.0 dBm @ 2.4 GHz (1 DSSS) Transmit Power +18.1 dBm @ 5 GHz (6 OFDM) -
Page 10: Module Pin Diagram
RF-WM-3235A1S www.szrfstar.com V1.0 - Jun., 2020 2.2 Module Pin Diagram Figure 3. Pin Diagram of RF-WM-3235A1S 2.3 Pin Functions Table 2. Pin Functions of RF-WM-3235A1S Name Function Description Ground Ground GPIO10 GPIO GPIO GPIO11 GPIO GPIO GPIO14 GPIO GPIO GPIO15... - Page 11 RF BG band: 2.4 GHz TX, RX RF_ABG RF Out RF BG band: 5 GHz TX, RX Ground No Connect SOP0 Configuration sense-on-power and 5 GHz switch control NRESET RESET Master chip reset input. Active low input. Shenzhen RF-star Technology Co., Ltd. Page 10 of 28...
- Page 12 Analog input (1.5 V max.) or GPIO GPIO6 GPIO GPIO GPIO7 GPIO GPIO GPIO8 GPIO GPIO GPIO9 GPIO GPIO Thermal ground Thermal ground Thermal ground Thermal ground Thermal ground Thermal ground Thermal ground Thermal ground Thermal ground Shenzhen RF-star Technology Co., Ltd. Page 11 of 28...
-
Page 13: Specifications
3.3.1 Current Consumption Summary (2.4 GHz RF Band) Table 5. The Table of Current Consumption Summary 2.4 GHz RF Band = 25 ℃, V When measured on the RF-WM-3235A1S reference design with T = 3.6 V with DC/DC enabled unless otherwise noted. - Page 14 TX power level = 0 MCU LPDS 54 OFDM TX power level = 4 1 DSSS 54 OFDM 120 µA at 64 KB NWP LPDS µA 135 µA at 256 KB Shenzhen RF-star Technology Co., Ltd. Page 13 of 28...
-
Page 15: Current Consumption Summary (5 Ghz Rf Band)
(4) DTIM = 1. (5) LPDS current does not include the external serial flash. The RF-WM-3235A1S device can be configured to retain 0 KB, 64 KB, 128 KB, 192 KB, or 256 KB of SRAM in LPDS. Each 64 KB block of MCU retained SRAM increases LPDS current by 4 µA. - Page 16 (4) DTIM = 1. (5) LPDS current does not include the external serial flash. The RF-WM-3235A1S device can be configured to retain 0 KB, 64 KB, 128 KB, 192 KB, or 256 KB of SRAM in LPDS. Each 64 KB block of MCU retained SRAM increases LPDS current by 4 µA.
-
Page 17: Tx Power Control For 2.4 Ghz Band
TX power level setting. Figure 3, Figure 4, and Figure 5 show TX Power and IBAT versus TX power level settings for the RF-WM-3235A1S module at modulations of 1 DSSS, 6 OFDM, and 54 OFDM, respectively. -
Page 18: Tx Power Control For 5 Ghz Band
6 OFDM Sensitivity 9 OFDM -88.5 (8% PER for 11b rates, 10% PER for 11g/11n rate) 18 OFDM 36 OFDM 54 OFDM MCS7 (GF) Maximum Input Level (10% PER) 802.11b -2.5 Shenzhen RF-star Technology Co., Ltd. Page 17 of 28... -
Page 19: Wlan Transmitter Characteristics
6 OFDM 15.3 Maximum RMS Output Power Measured at 1 9 OFDM 15.3 dB from IEEE Spectral Mask or EVM 18 OFDM 36 OFDM 54 OFDM 12.5 MCS7 Transmit Center Frequency Accuracy Shenzhen RF-star Technology Co., Ltd. Page 18 of 28... -
Page 20: Table 10. Wlan Transmitter Characteristics: 5 Ghz Band
15.1 9 OFDM 15.1 Maximum RMS Output Power 18 OFDM 15.1 Measured at 1 dB from IEEE 36 OFDM 13.6 Spectral Mask or EVM 54 OFDM MCS7 Transmit Center Frequency Accuracy Shenzhen RF-star Technology Co., Ltd. Page 19 of 28... -
Page 21: Application, Implementation, And Layout
V1.0 - Jun., 2020 4 Application, Implementation, and Layout 4.1 Module Photos Figure 7. Photos of RF-WM-3235A1S 4.2 Recommended PCB Footprint Figure 8. Recommended PCB Footprint of RF-WM-3235A1S (Top View) (mm) Shenzhen RF-star Technology Co., Ltd. Page 20 of 28... -
Page 22: Schematic Diagram
V1.0 - Jun., 2020 4.3 Schematic Diagram Figure 9. Schematic Diagram of RF-WM-3235A1S 4.4 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 the reliable ground. -
Page 23: Figure 10. Recommendation Of Antenna Layout
（3） It is the best to hollow out the antenna position in the following figure so as to ensure that S11 of the module is minimally affected. Figure 10. Recommendation of Antenna Layout Note: The hollow-out position is based on the antenna used. Shenzhen RF-star Technology Co., Ltd. Page 22 of 28... -
Page 24: 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 25: Soldering And Reflow Condition
Max. 6 ℃/s Average Descend Rate (T to T Time from 25 ℃ to Peak Temperature (t Max. 6 minutes Max. 8 minutes Time of Soldering Zone (t 20±10 s 20±10 s Shenzhen RF-star Technology Co., Ltd. Page 24 of 28... -
Page 26: Optional Packaging
RF-WM-3235A1S www.szrfstar.com V1.0 - Jun., 2020 Figure 11. Recommended Reflow for Lead Free Solder 4.8 Optional Packaging Figure 12. Optional Packaging Mode Note: Tray packaging by default. Shenzhen RF-star Technology Co., Ltd. Page 25 of 28... -
Page 27: 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 26 of 28... -
Page 28: Contact Us
RF-WM-3235A1S www.szrfstar.com V1.0 - Jun., 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...
Need help?
Do you have a question about the RF-WM-3235A1S and is the answer not in the manual?
Questions and answers