Microchip Technology MRF24WN0MA Manual
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Microchip Technology MRF24WN0MA Manual

Microchip Technology MRF24WN0MA Manual

2.4 ghz ieee 802.11b/g/n wireless module
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2.4 GHz IEEE 802.11b/g/n Wireless Module
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
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)
 2015 Microchip Technology Inc.
MRF24WN0MA/MB
®
Harmony
Advance Information
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
DS50002410A-page 1

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Summary of Contents for Microchip Technology MRF24WN0MA

  • Page 1 • Channels: 1-13 • Medical, Fitness, and Health Care • Modulation: DSSS, CCK, BPSK, QPSK, 16QAM, 64QAM • Sensitivity: -94 dBm Antenna • Integral PCB Trace Antenna (MRF24WN0MA) • External Antenna (MRF24WN0MB) Advance Information  2015 Microchip Technology Inc. DS50002410A-page 1...

  • Page 2: Table Of Contents

    When contacting a sales office, please specify which device, revision of silicon and data sheet (include literature number) you are using. Customer Notification System Register on our web site at www.microchip.com to receive the most current information on all of our products. Advance Information  2015 Microchip Technology Inc. DS50002410A-page 2...

  • Page 3: Device Overview

    MRF24WN0MA/MB DEVICE OVERVIEW The MRF24WN0MA module is approved for use with the integrated PCB trace antenna. The MRF24WN0MB The MRF24WN0MA and MRF24WN0MB are low- module is approved for use with specific external power, 2.4 GHz, IEEE 802.11n compliant, surface antenna types that are certified with the module. An...
  • Page 4 MRF24WN0MA/MB Interface Description Figure 1-2 shows the MRF24WN0MA/MB pin diagram. Table 1-2 describes the MRF24WN0MA/MB pins. FIGURE 1-2: MRF24WN0MA/MB PIN DIAGRAM 37 GND TEST 2 36 GND 35 VDD 34 GND NC 5 33 NC NC 6 32 NC NC 7...
  • Page 5 Note 1: For NC = No Connect pins, do not make any connection. The module is configured with internal pull-up and pull-down resistors. 2: Refer to Section 2.2, "MODE0 and MODE1 Pins" 3: Refer to Section 2.3, "SPI Port Pins" Advance Information  2015 Microchip Technology Inc. DS50002410A-page 5...
  • Page 6 Figure 1-6 Figure 1-7 show the recommended host PCB footprint and layout. FIGURE 1-3: MRF24WN0MA/MB MODULE PHYSICAL DIMENSIONS (TOP AND SIDE VIEW) Advance Information  2015 Microchip Technology Inc. DS50002410A-page 6...
  • Page 7 MRF24WN0MA/MB FIGURE 1-4: MRF24WN0MA/MB MODULE PHYSICAL DIMENSIONS (BOTTOM VIEW) Advance Information  2015 Microchip Technology Inc. DS50002410A-page 7...
  • Page 8 MRF24WN0MA/MB FIGURE 1-5: MRF24WN0MA/MB MODULE MOUNTING DETAILS (Top View) Keep area around antenna (approximately 1.25 inches) clear of metallic structures for best performance. Edge of Host PCB 1.25 Ground Plane Dimensions are in inches Advance Information  2015 Microchip Technology Inc.
  • Page 9 MRF24WN0MA/MB FIGURE 1-6: MRF24WN0MA/MB RECOMMENDED HOST PCB FOOTPRINT Advance Information  2015 Microchip Technology Inc. DS50002410A-page 9...
  • Page 10 Areas Okay Okay Soldering Recommendations The MRF24WN0MA/MB wireless module was assem- bled using the IPC/JEDEC J-STD-020 Standard lead- free reflow profile. The MRF24WN0MA/MB module can be soldered to the host PCB using standard leaded and lead-free solder reflow profiles.

  • Page 11: Circuit Description

    The MODE pins must be tied to the voltage levels for Overview normal operation of the module. Refer to Table 2-1. The MRF24WN0MA/MB module interfaces to the TABLE 2-1: MODE PIN OPERATION PIC32 MCU via a 4-wire SPI port, Interrupt and Hiber- nate...
  • Page 12 MRF24WN0MA/MB SPI Port Pins The MRF24WN0MA/MB module interfaces to the PIC32 MCU via a 4-wire SPI port. Refer to Figure 2-2 Table 2-2 for the necessary signaling conditions. In the case of the SPI_CS/MODE1 pin, pull-up using a 10 k resistor and the host MCU allows an active-high signal during power on and wake-up to ensure that the module start-up in normal operation.
  • Page 13 It is an active-low output signal to the host MCU to signal an interrupt event. VDD and GND Pin The MRF24WN0MA/MB wireless module contains an integrated power management unit that generates all necessary voltages required by the internal circuitry.
  • Page 14 MRF24WN0MA/MB NOTES: Advance Information  2015 Microchip Technology Inc. DS50002410A-page 14...

  • Page 15: Application Information

    MRF24WN0MA/MB APPLICATION INFORMATION This section provides information on the Application Schematic, Integral PCB Trace Antenna, and Antenna Types. Application Schematic Figure 3-1 shows the schematic for the MRF24WN0MA module. FIGURE 3-1: APPLICATION SCHEMATIC μ μ μ μ μ μ Advance Information ...
  • Page 16 MRF24WN0MA/MB Integral PCB Trace Antenna Figure 3-2 illustrates the simulation drawing. The two- dimensional (2D) radiation pattern is illustrated in For the MRF24WN0MA, the PCB antenna is fabricated Figure 3-3, whereas Figure 3-4 Figure 3-5 shows on the top copper layer and covered in solder mask.
  • Page 17 Setup 2: Last Adaptive 170.0000 170.0000 -0.1414 Freq. = “2.44 GHz” Phi = “0 deg” Radiation Pattern 1 Two-dimensional (2D) pattern, including the average on main radiation planes (Phi = 0 and 90 degrees). Advance Information  2015 Microchip Technology Inc. DS50002410A-page 17...
  • Page 18 MRF24WN0MA/MB FIGURE 3-4: SIMULATED THREE-DIMENSIONAL RADIATION PATTERN Radiation pattern against the module dimensions Advance Information  2015 Microchip Technology Inc. DS50002410A-page 18...
  • Page 19 FIGURE 3-5: SIMULATED THREE-DIMENSIONAL RADIATION PATTERN Three-dimensional (3D) pattern and magnitude distribution...
  • Page 20 Section 4.0, Regulatory Approval. Table 3-1 lists the approved antennas types. TABLE 3-1: TESTED EXTERNAL ANTENNA TYPES Type Gain PCB Trace 1 dBi Dipole 2 dBi PIFA -3 dBi Advance Information  2015 Microchip Technology Inc. DS50002410A-page 20...

  • Page 21: Regulatory Approval

    LABELING AND USER INFORMATION REQUIREMENTS This section outlines the regulatory information for the The MRF24WN0MA/MB module has been labeled with MRF24WN0MA/MB module for the following countries: its own FCC ID number, and if the FCC ID is not visible • United States when the module is installed inside another device, •...
  • Page 22 Canada ically radiated power (e.i.r.p.) is not more than that The MRF24WN0MA/MB module has been certified for necessary for successful communication. use in Canada under Industry Canada (IC) Radio Stan- dards Specification (RSS) RSS-210 and RSSGen.
  • Page 23 The MRF24WN0MA/MB module can only be sold or product and is therefore responsible for operated with antennas with which it was approved. demonstrating compliance of the final Transmitter may be approved with multiple antenna product with the essential requirements of types.
  • Page 24 Devices”. New Zealand Radio communications (Radio the AS/NZS 4268:2008 industry standard). The Standards) Notice 2010 calls up the AS / NZS MRF24WN0MA/MB module test reports can be used 4268:2008 industry standard. The MRF24WN0MA/MB as part of the product certification and compliance module test reports can be used as part of the product folder.
  • Page 25 Korea Communications Commission (KCC) website. Safety Electrical Appliance and Material (PSE) testing. The integrator should contact their confor- The MRF24WN0MA/MB module is labeled with its own mance laboratory to determine if this testing is KC mark. The final product requires the KC mark and required.
  • Page 26 4.8.1 LABELING AND USER INFORMATION REQUIREMENTS The MRF24WN0MA/MB module is labeled with its own NCC mark and certificate number as below: Pending The user's manual should contain below warning (for RF device) in traditional Chinese: 注意 !

  • Page 27: Electrical Characteristics

    2: Transmit current consumption at power output levels listed in Table 5-6. TABLE 5-4: DC CHARACTERISTICS FOR DIGITAL IO PINS DC CHARACTERISTICS Operating Conditions Symbol Parameter Min. Typ. Max. Units High-Level Input Voltage — Low-Level Input Voltage -0.3 — Advance Information  2015 Microchip Technology Inc. DS50002410A-page 27...
  • Page 28 Parameter Conditions Unit Center channel frequency Center frequency 2.412 — 2.472 at 5 MHz spacing Reference oscillator frequency +/-20 ppm — — Frequency step size (at RF) — — — STEP Advance Information  2015 Microchip Technology Inc. DS50002410A-page 28...

  • Page 29: Appendix A: Revision History

    MRF24WN0MA/MB APPENDIX A: REVISION HISTORY Revision A (August 2015) This is the initial released version of the document. Advance Information  2015 Microchip Technology Inc. DS50002410A-page 29...
  • Page 30 MRF24WN0MA/MB NOTES: Advance Information  2015 Microchip Technology Inc. DS50002410A-page 30...

  • Page 31: The Microchip Web Site

    To register, access the Microchip web site at www.microchip.com. Under “Support”, click “Customer Change Notification” and follow the registration instructions.  2015 Microchip Technology Inc. DS50002410A-page 31...
  • Page 32 MRF24WN0MA/MB NOTES:  2015 Microchip Technology Inc. DS50002410A-page 32...

  • Page 33: Product Identification System

    To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office PART NO. Examples: Temperature Package Firmware Device MRF24WN0MA-I/RM Revision Range Number Device: MRF24WN0MA: Integral Antenna MRF24WN0MB: External Antenna Connection Temperature Range: = -40C to +85C (Industrial) Package: = Radio Module Advance Information  2015 Microchip Technology Inc. DS50002410A-page 33...
  • Page 34 MRF24WN0MA/MB NOTES: Advance Information  2015 Microchip Technology Inc. DS50002410A-page 34...
  • Page 35 WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries.
  • Page 36 Tel: 886-2-2508-8600 China - Xian Tel: 631-435-6000 Tel: 86-29-8833-7252 Fax: 886-2-2508-0102 San Jose, CA Fax: 86-29-8833-7256 Thailand - Bangkok Tel: 408-735-9110 Tel: 66-2-694-1351 Canada - Toronto Fax: 66-2-694-1350 Tel: 905-673-0699 Fax: 905-673-6509 07/14/15  2015 Microchip Technology Inc. DS50002410A-page 36...
  • Page 37 X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for category: WiFi Modules (802.11) Click to view products by manufacturer: Microchip Other Similar products are found below : WISE-1520ITB-TDA1E SX-PCEAN2C-SP BCM43602KMLG 7265.NGWG.W ENW-49801A1JF WH-M2SD50NBT SX-680-2700-SP RN171-IRM481 FXX-3061-MIX 9668C52W10E EMIO-1533-00A2 EWM-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-12F WT32-S1 ESP-WROOM-02UC ESP-WROOM-02DC WT-...

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