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 2015 Microchip Technology Inc.

Advance Information

DS50002410A-page 1

MRF24WN0MA/MB

Features

• IEEE 802.11b/g/n Compliant Transceiver
• 2.4 GHz IEEE 802.11n Single Stream 1x1
• SPI Interface to Host Controller (4-wire including 

interrupt)

• Works with Microchip's MPLAB

®

 Harmony 

Integrated Software Framework

• Fully Integrated Wireless Module with Voltage 

Regulation, Crystal, RF Matching Circuitry, Power 
Amplifier (PA), Low Noise Amplifier (LNA), and 
PCB Trace Antenna

• Ultra-Small W.FL Connector for External 

Antennas (MRF24WN0MB)

• Compact Surface Mount Module: 0.700" x 1.050" 

x 0.085“ (17.8 mm x 26.7 mm x 2.2 mm)

• Castellated Surface Mount Pads for easy and 

reliable PCB mounting

• Environmentally Friendly, RoHS Compliant

Operational

• Single Operating Voltage: 3.15V to 3.45V (3.3V 

typical)

• Temperature Range: -40°C to +85°C Industrial
• Low-Current Consumption:

- RX mode: 64 mA (typical)
- TX mode: 246 mA at 18 dBm (typical)

• Power Saving Mode:

- Hibernate: 10 µA (typical)

RF/Analog

• Frequency: 2.412 to 2.472 GHz
• Channels: 1-13
• Modulation: DSSS, CCK, BPSK, QPSK, 16QAM, 

64QAM

• Sensitivity: -94 dBm

Antenna

• Integral PCB Trace Antenna (MRF24WN0MA)
• External Antenna (MRF24WN0MB)

Compliance

• Modular Certified for the United States (FCC) and 

Canada (IC)

• European R&TTE Directive Assessed Radio 

Module

• Australia, New Zealand, Korea, Taiwan, and 

Japan

Applications

• Utility and Smart Energy
• Consumer Electronics
• Industrial Controls
• Remote Device Management
• Retail
• Medical, Fitness, and Health Care

2.4 GHz IEEE 802.11b/g/n Wireless Module

Содержание MRF24WN0MA

Страница 1: ...and reliable PCB mounting Environmentally Friendly RoHS Compliant Operational Single Operating Voltage 3 15V to 3 45V 3 3V typical Temperature Range 40 C to 85 C Industrial Low Current Consumption RX...

Страница 2: ...most up to date version of this data sheet please register at our Worldwide Web site at http www microchip com You can determine the version of a data sheet by examining its literature number found on...

Страница 3: ...tation tab The MRF24WN0MA module is approved for use with the integrated PCB trace antenna The MRF24WN0MB module is approved for use with specific external antenna types that are certified with the mo...

Страница 4: ...m Table 1 2 describes the MRF24WN0MA MB pins FIGURE 1 2 MRF24WN0MA MB PIN DIAGRAM 37 GND GND 1 TEST 2 GND 3 VDD 4 NC 5 NC 6 NC 7 NC 8 NC 9 NC 10 NC 11 NC 12 SPI_CLK 13 SPI_MISO 14 36 GND 35 VDD 34 GND...

Страница 5: ...ERNATE DI Lowest Power State active low 20 SPI_INT DO SPI interrupt output active low 21 MODE0 DI Mode select 0 Connect to GND 2 22 SPI_MOSI DI SPI data input 23 SPI_CS MODE1 DI SPI Chip Select Mode s...

Страница 6: ...gure 1 3 Figure 1 4 and Figure 1 5 show the physical dimensions and the mounting details of the module Figure 1 6 and Figure 1 7 show the recommended host PCB footprint and layout FIGURE 1 3 MRF24WN0M...

Страница 7: ...2015 Microchip Technology Inc Advance Information DS50002410A page 7 MRF24WN0MA MB FIGURE 1 4 MRF24WN0MA MB MODULE PHYSICAL DIMENSIONS BOTTOM VIEW LPHQVLRQV DUH LQ LQFKHV...

Страница 8: ...icrochip Technology Inc FIGURE 1 5 MRF24WN0MA MB MODULE MOUNTING DETAILS Keep area around antenna approximately 1 25 inches clear of metallic structures for best performance 1 25 1 25 Edge of Host PCB...

Страница 9: ...y Inc Advance Information DS50002410A page 9 MRF24WN0MA MB FIGURE 1 6 MRF24WN0MA MB RECOMMENDED HOST PCB FOOTPRINT URXQG 3ODQH RVW 3 GJH 6KLHOG 3DGV GLDPHWHU R QRW ORFDWH RVW 3 WRS OD HU FRSSHU XQGHU...

Страница 10: ...lder reflow profiles To avoid damaging the module adhere to the following recommendations Solder reflow recommendations are provided in the Microchip Application Note AN233 Solder Reflow Recommendatio...

Страница 11: ...to the Training Getting Started tab The MPLAB Harmony Help document is available for download from the MPLAB Harmony framework direc tory c microchip harmony version doc The PIC32 input output ports S...

Страница 12: ...on and wake up to ensure that the module start up in normal operation Once the module is operational the pin becomes the SPI Port Chip Select pin active low FIGURE 2 2 SPI SLAVE INTERFACE TIMING TABLE...

Страница 13: ...recommended bypass capacitors The capacitors must be closely placed to the module 2 6 Hibernate The module enters the lowest power mode when the HIBERNATE pin is asserted low No state information is p...

Страница 14: ...MRF24WN0MA MB DS50002410A page 14 Advance Information 2015 Microchip Technology Inc NOTES...

Страница 15: ...matic Integral PCB Trace Antenna and Antenna Types 3 1 Application Schematic Figure 3 1 shows the schematic for the MRF24WN0MA module FIGURE 3 1 APPLICATION SCHEMATIC 9 9 9 9 9 5 N 5 N 5 N 8 05 1 0 1...

Страница 16: ...B antenna Figure 3 2 illustrates the simulation drawing The two dimensional 2D radiation pattern is illustrated in Figure 3 3 whereas Figure 3 4 and Figure 3 5 shows the three dimensional 3D radiation...

Страница 17: ...e m1 60 0000 60 0000 0 6323 dB Gain Total Setup 1 Last Adaptive Freq 2 44 GHz Phi 0 deg 0 0097 m2 20 0000 20 0000 0 3962 m3 30 0000 30 0000 0 1038 m4 100 0000 100 0000 0 9490 dB Gain Total Setup 2 Las...

Страница 18: ...MRF24WN0MA MB DS50002410A page 18 Advance Information 2015 Microchip Technology Inc FIGURE 3 4 SIMULATED THREE DIMENSIONAL RADIATION PATTERN Radiation pattern against the module dimensions...

Страница 19: ...2015 Microchip Technology Inc Advance Information DS50002410A page 19 FIGURE 3 5 SIMULATED THREE DIMENSIONAL RADIATION PATTERN Three dimensional 3D pattern and magnitude distribution...

Страница 20: ...external antenna The choice of antenna is limited to the antenna types in which the module is tested and approved For a list of tested and approved antenna types that may be used with the module refe...

Страница 21: ...ts own FCC ID number and if the FCC ID is not visible when the module is installed inside another device then the outside of the finished product into which the module is installed must also display a...

Страница 22: ...or the word Contains or similar wording expressing the same meaning as follows User Manual Notice for License Exempt Radio Appara tus from Section 7 1 3 RSS Gen Issue 3 December 2010 User manuals for...

Страница 23: ...h and Safety Article 3 1 a Electromagnetic Compatibility EMC Article 3 1 b and Radio Article 3 2 and are summarized in Table 3 1 European Com pliance Testing A Notified Body Opinion has also been issu...

Страница 24: ...3 1 4 4 2 HELPFUL WEB SITES The Australian Communications and Media Authority www acma gov au 4 5 New Zealand The New Zealand radio regulations do not provide a modular approval policy similar to the...

Страница 25: ...Internal Affairs and Communications MIC website The MRF24WN0MA MB module is labeled with its own technical conformity mark and certification number The final product in which this module is being used...

Страница 26: ...chnology sales or distribution partners to obtain a Letter of Authority Integration of this module into a final product does not require additional radio certification provided installa tion instructi...

Страница 27: ...specification is not implied Exposure above maximum rating conditions for extended periods may affect device reliability TABLE 5 2 RECOMMENDED OPERATING CONDITIONS Symbol Description Min Typ Max Units...

Страница 28: ...2 412 2 472 GHz sRF Sensitivity CCK 1 Mbps 95 7 dBm 11 Mbps 87 7 OFDM 6 Mbps 92 7 54 Mbps 75 7 HT20 MCS0 92 7 MCS7 72 7 HT40 MCS0 90 7 MCS7 69 7 Note 1 Performance measured at J1 TABLE 5 6 RADIO TRAN...

Страница 29: ...2015 Microchip Technology Inc Advance Information DS50002410A page 29 MRF24WN0MA MB APPENDIX A REVISION HISTORY Revision A August 2015 This is the initial released version of the document...

Страница 30: ...MRF24WN0MA MB DS50002410A page 30 Advance Information 2015 Microchip Technology Inc NOTES...

Страница 31: ...hip sales offices distributors and factory representatives CUSTOMER CHANGE NOTIFICATION SERVICE Microchip s customer notification service helps keep customers current on Microchip products Subscribers...

Страница 32: ...MRF24WN0MA MB DS50002410A page 32 2015 Microchip Technology Inc NOTES...

Страница 33: ...in information e g on pricing or delivery refer to the factory or the listed sales office PART NO I RM XXX Firmware Package Temperature Range Device Device MRF24WN0MA Integral Antenna MRF24WN0MB Exter...

Страница 34: ...MRF24WN0MA MB DS50002410A page 34 Advance Information 2015 Microchip Technology Inc NOTES...

Страница 35: ...red trademark of Microchip Technology Inc in other countries GestIC is a registered trademark of Microchip Technology Germany II GmbH Co KG a subsidiary of Microchip Technology Inc in other countries...

Страница 36: ...86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8864 2200 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xian Tel 86 29 8833 7252 Fax 86 29 8833 7256 ASI...

Страница 37: ...M W162M201E ISM43340 L77 TR BCM4352KMLG BCM43520KMLG BCM43217KMLG 7265 NGWWB W PPC WL KIT02 R11 RC CC2640 A M113DH3200PS3Q0 SX PCEAN2c WT 01S WT8266 S3 ESP 07S WT8266 S6 ESP 12S WT 01F WT8266 S5 ESP 1...

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