MicroRidge Systems RM2 2.4GHz Radio Module User Manual Micro RM24 Users Guide Ver 1 2 4
MicroRidge Systems, Inc. 2.4GHz Radio Module Micro RM24 Users Guide Ver 1 2 4
Users Manual
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| Document Description | Users Manual |
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| Document Type | User Manual |
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| Filesize | 119.99kB (1499884 bits) |
| Date Submitted | 2014-11-07 00:00:00 |
| Date Available | 2014-11-07 00:00:00 |
| Creation Date | 2014-11-07 10:52:01 |
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| Document Lastmod | 2014-11-07 10:52:01 |
| Document Title | Micro-RM24_Users_Guide_Ver_1_2_4.pdf |
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| Document Author: | XuJi |
MicroRidge 2.4 GHz Radio Module Copyright © 2014 MicroRidge Systems, Inc. All rights reserved. No parts of this work may be reproduced in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems - without the written permission of the publisher. Products that are referred to in this document may be either trademarks and/or registered trademarks of the respective owners. The publisher and the author make no claim to these trademarks. While every precaution has been taken in the preparation of this document, the publisher and the author assume no responsibility for errors or omissions, or for damages resulting from the use of information contained in this document or from the use of programs and source code that may accompany it. In no event shall the publisher and the author be liable for any loss of profit or any other commercial damage caused or alleged to have been caused directly or indirectly by this document. Version: 1.2.4 Printed: Friday, October 31, 2014 at 10:02 AM in Sunriver, Oregon. MicroRidge 2.4 GHz Radio Module Contents Table of Contents Chapter 1 Introduction ................................................................................................................................... Chapter 2 Features ................................................................................................................................... Chapter 3 Releated Documents ................................................................................................................................... Chapter 4 Specifications ................................................................................................................................... ................................................................................................................................... Atmel Documentation ................................................................................................................................... 7 Dimensions 10 Pin ................................................................................................................................... Configuration ................................................................................................................................... 12 Soldering Chapter 5 Application Board Design ................................................................................................................................... 13 Chapter 6 Ordering Information ................................................................................................................................... 15 Certification Chapter 7 Radio ................................................................................................................................... 16 Chapter 8 Contact MicroRidge ................................................................................................................................... 18 History Chapter 9 Revision ................................................................................................................................... 19 Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Introduction Introduction The MICRO-RM2.4 Radio Module from MicroRidge Systems is a small wireless module based on the Atmel ATmega2564RFR2 microcontroller. The ATmega2564RFR2 is a low-powered CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture combined with a high data rate transceiver for the 2.4 GHz ISM (industrial, scientific and medical) band. The MICRO-RM2.4 contains an on-board chip antenna. The module contains radio certifications for FCC, IC and EU (CE). No additional RF testing is required as long as the application of the MICRO-RM2.4 follows the approved certifications. The small size of the MICRO-RM2.4 module allows it to be used in small and compact products. The module measures 12 x 20.75 x 3 mm (.472 x .817 x .118 inches). The module requires a power supply of 1.8 to 3.6 volts DC. This voltage range allows the module to be powered by a single 3 volt coin cell or two 1.5 volt batteries. Radio Module Images The photos below show the top and bottom views of the radio module. The 2 large gold pads shown in the bottom view are the ground pads discussed in the Dimensions section . Isometric View Version 1.2.4 Top View Bottom View Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Introduction Basic Block Diagram A basic block diagram of the MICRO-RM2.4 Radio Module is shown below. Refer to the Atmel ATmega644/1284/2564RFR2 documentation for block diagrams with greater detail. Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Features Features The features of the MICRO-RM2.4 Radio Module are numerous and allow the module to be used in many low powered short range applications. The primary features of this module are as follows: Ultra compact size: 12 x 20.75 x 3 mm (.472 x .817 x .118 inches) Built-in 32.768 kHz crystal for low power and deep sleep modes Built-in 16 MHz crystal for 2.4 GHz transceiver and AVR microcontroller Power supply voltage of 1.8 to 3.6 VDC Typical power consumption: o 0.75 A in sleep mode (transceiver in Sleep and AVR in Power Save/Down mode) o 14.5 ma in TX mode at 3.5 dBm o 12.5 ma in RX mode Memory resources: o 256K bytes In-System Self-Programmable Flash o 8K bytes EEPROM o 32K bytes SRAM IEEE® 802.15.4 compliant transceiver 2.4 GHz ISM band TX/RX 128 byte frame buffer TX output power from -17 dBm to 3.5 dBm Receiver sensitivity = -100 dBm 14 RF Channels (11 to 25, channel 14 is reserved for internal use) Serial bootloader Interface connections: o 30 I/O ports o 2 RS-232 serial ports o JTAG programming connection o I2C High performance low power AVR® 8-bit microcontroller ROHS complainant Extensive documentation and software resources available on the Atmel web site Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Releated Documents Releated Documents Additional information is available about the MICRO-RM2.4 Radio Module components and supporting software from the following sources: A complete description of the ATmega2564RFR2 microcontroller used in the module is available on the Atmel web site (www.atmel.com). The document describing this microcontroller is ATmega644/1284/2564RFR2 42073A-MCU Wireless. Atmel also has additional documentation available that may be helpful in developing wireless applications for the MICRO-RM2.4 module. The MicroRidge Wireless Communication Library is available to assist in the development of firmware for the MICRO-RM2.4 Radio Module. A per module license is required in order to use this Communication Library. This library is only supported on the IAR Embedded 18 Workbench Ver 6.4 or later for the AVR microcontroller. Contact MicroRidge Systems for more information. Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Specifications Specifications The specifications sections consists of 4 areas: 4.1 Atmel Documentation This section contains 3 of the tables from the Atmel ATmega644/1284/2564RFR2 documentation. The complete Atmel document is over 600 pages in length. In order to fully understand the radio module and how to work with it, you must become familiar with this Atmel document. Dimensions The dimensions for the MICRO-RM2.4 Radio Module, pad locations and bottom side ground pads are presented in this section. Pin Configuration The pin connections available on the MICRO-RM2.4 Radio Module are listed in this section. Soldering A soldering profile is shown in this section. Atmel Documentation For the complete specifications for the Atmel ATmega2564RFR2 radio transceiver refer to ATmega644/1284/2564RFR2 documentation . The information shown below is only a few of the multiple tables from the Atmel documentation. Refer to the Atmel documentation for the test conditions and references shown in the tables. General RF Specifications Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Specifications Transmitter characteristics Current Consumptions Specifications Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module 4.2 Specifications Dimensions Board Dimensions The dimensions for the MICRO-RM2.4 Radio Module are given below. All of the dimensions are in mm. The thickness of the module from the bottom of the module to the top of the RF shield is 3 mm. The pad spacing is 1 mm and the pad width is 0.7 mm. Board Dimensions (mm) and Solder Pad Placement Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Specifications Solder Pad Placement The recommended placement of the solder pads on the application board is shown below. The 2 large pads are ground pads and they are discussed in the Ground Pads. All dimensions are in mm. Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Specifications Ground Pads The bottom of the module contains 2 ground (GND) pads areas that can be used to help secure the module to the circuit board. In a rough environment, we have seen delamination problems with this type of module board. When adhesive was used to help secure the module board to the application circuit board, we no longer had any delamination problems between the module and application circuit boards. In the stuffing process, the board house can use an adhesive to help secure the wireless module to the application circuit board or solder the ground pads to the application circuit board.. The 2 ground pads are available on the bottom side of the wireless module. These ground pads are shown in red and labeled A and B. These 2 pad areas are part of the bottom ground plane. Location of the Ground Pads on the Bottom of the Wireless Module The size and location of the ground pads is shown in the following table. Version 1.2.4 Size Distance from Upper Left Corner Ground Pad Width, mm Height, mm Horizontal, mm Vertical, mm 3.25 2.50 6.50 5.50 2.625 5.00 14.75 2.50 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module 4.3 Specifications 10 Pin Configuration The pin connections for the MICRO-RM2.4 Radio Module are show below. For a complete description of each pin refer to the Atmel ATmega644/1284/2564RFR2 documentation. MICRO-RM2.4 Pin Connections Module Pin Pin Name GND RESET PG1 Port PG1 PD5 Port PD5 (alternate function XCK1) PD4 Port PD4 (alternate function ICP1) PD1 Port PD1 (alternate functions SDA & INT1) PD0 Port PD0 (alternate functions SCL & INT0) VCC 1.8 to 3.6 VDC (connected to DEVDD & EVDD) PB5 Port PB5 (alternate functions OC1A & PCINT5) 10 PD2 Port PD2 (alternate functions RXD1 & INT2) Version 1.2.4 Description Ground (connected to AVSS_RFP, AVSS_RFN, DVSS & AVSS) Reset input (active low). The radio module also contains a 100K pullup resistor connected between this pin and VCC. Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Specifications 11 Module Pin Pin Name 11 PD3 Port PD3 (alternate functions TXD1 & INT3) 12 PD6 Port PD6 (alternate function T1) 13 PB0 Port PB0 (alternate functions SSN & PCINT0) 14 VCC 1.8 to 3.6 VDC (connected to DEVDD & EVDD) 15 PB4 Port PB4 (alternate functions OC2A & PCINT4) 16 PB1 Port PB1 (alternate functions SCK & PCINT1) 17 PB2 Port PB2 (alternate functions MOSI, PDI & PCINT2) 18 PB3 Port PB3 (alternate functions MISO, PDO & PCINT3) 19 PB6 Port PB6 (alternate functionsOC1B & PCINT6) 20 PB7 Port PB7 (alternate functions OC0A, OC1C & PCINT7) 21 PE0 Port PE0 (alternate functions RXD0 & PCINT8) 22 PE1 Port PE1 (alternate function TXD0) 23 PE2 Port PE2 (alternate functions XCK0 & AIN0) 24 PE3 Port PE3 (alternate functions OC3A & AIN1) 25 PE4 Port PE4 (alternate functions OC3B & INT4) 26 PE5 Port PE5 (alternate functions OC3C & INT5) 27 PE7 Port PE7 (alternate functions ICP3, INT7 & CLK) 28 VCC 1.8 to 3.6 VDC (connected to DEVDD & EVDD) 29 PF2 Port PF2 (alternate function ADC2) 30 PF1 Port PF1 (alternate function ADC1) 31 PF0 Port PF0 (alternate function ADC0) 32 PF7 Port PF7 (alternate functions JTAG TDI & ADC7) 33 PF6 Port PF6 (alternate functions JTAG TDO & ADC6) 34 PF5 Port PF5 (alternate functions JTAG TMS & ADC5) 35 PF4 Port PF4 (alternate functions JTAG TCK, PF3 & ADC3) 36 GND Ground (connected to AVSS_RFP, AVSS_RFN, DVSS & AVSS) -- PD7 Port PD7. Do not use. This ports is used internally by the wireless module. -- TST Connected to GND in the wireless module. -- CLKI Connected to GND in the wireless module. Version 1.2.4 Description Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module 4.4 Specifications Module Pin Pin Name -- TOSC1 Connected to 32.768 KHz crystal in the wireless module. -- TOSC2 Connected to 32.768 KHz crystal in the wireless module. -- XTAL1 Connected to 16 MHz crystal in the wireless module. -- XTAL2 Connected to 16 MHz crystal in the wireless module. 12 Description Soldering The following J-STD-020C compliant soldering profile is recommended for the MICRO-RM2.4 Radio Module. Since the FCC and IC IDs are etched into the RF shield, there is no concern about heat form the soldering process damaging a label that contains this ID information. Profile Feature Version 1.2.4 Values Average ramp-up rate (217°C to peak) 3°C/s max Preheat temperature 175°C ±25°C 180s max Temperature maintained above 217°C 60s to 150s Time within 5°C of actual peak temperature 20s to 40s Peak temperature range 260°C Ramp-down rate 6°C/s max Time within 25°C to peak temperature 8 minutes Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Application Board Design 13 Application Board Design Normally, chip antennas are more tolerant of the board and enclosure materials. However, the recommendations for the radio module placement on the application PCB still apply. The radio module should be placed along an edge of the application PCB as shown below. Module placed along top edge of PCB. Module placed along top edge of PCB. Module placed in center portion of PCB. Not an acceptable design. Mounting Information In general, via holes and traces are should not be placed on the application PCB upper layer in the area occupied by the radio module module. The exception to this is if you are soldering the ground pads to the PCB board, you can use via holes and/or traces to connect the pads to the ground. Be careful that you do not place any via holes or traces adjacent to non-ground circuits. The ground connections along the edges of the radio module should be grounded by via holes located as close as possible to the ground connections on the radio module. Via Placement The board design should prevent propagation of microwave fields inside the board material. Electromagnetic waves of high frequency may penetrate the board thus making the edges of the board radiate, which may distort the antenna pattern. To eliminate this effect, via holes should be placed around the board's edges. A common rule of thumb is to make the via spacing less than λ/20 at the maximum operating frequency. For the MICRO-RM2.4 Radio Module, the wavelength at 2.4 GHz is 125 mm and the maximum via spacing would be 6.25 mm. Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Application Board Design 14 Other Recommendations Metal enclosure should not be used. Low profile enclosures might affect antenna antenna performance. Avoid placing high profile components next to antenna. Radio module should not be placed next to other electronics which might interfere with the 2.4 GHz frequency band. Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Ordering Information 15 Ordering Information 18 Contact MicroRidge Systems to order MICRO-RM2.4 Radio Modules. The packaging options of tray, and tape and reel are still being evaluated. There are also software options available for the radio modules. Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Radio Certification 16 Radio Certification United States (FCC) This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by manufacturer could void the user’s authority to operate the equipment. IMPORTANT! Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment. 47 CFR 15.505 For a Class B digital device or peripheral, the instructions furnished the user shall include the following or similar statement, placed in a prominent location in the text of the manual: NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/ TV technician for help. The modular transmitter must be labeled with its 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 device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: Contains FCC ID: 2ACNQRM2 The MICRO-RN2.4 Radio Module has a Modular approval and does not need separate approval for this module when used on an application board. Industry Canada (IC) This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Radio Certification 17 Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: (1) l’appareil ne doit pas produire de brouillage, et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, meme si le brouillage est susceptible d’en compromettre le fonctionnement. IMPORTANT! Tous les changements ou modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de l’utilisateur pour actioner cet équipment. This Class [B] digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe [B] est conforme à la norme NMB-003 du Canada This modular transmitter must be labeled with its own IC ID. If the IC ID Certification Number is not visible while installed inside another device, then the device should display the label on it referring the enclosed module. In that case, the final end product must be labeled in a visible area with the following: Contains IC: 12298A-RM2 The MICRO-RN2.4 Radio Module has a Modular approval and does not need separate approval for this module when used on an application board. European Union (ETSI) The MICRO-RN2.4 module has been certified for use in European Union countries. If this module is incorporated into a product, the manufacturer must ensure compliance of the final product to the European harmonized EMC and low voltage/safety standards. A Declaration of Conformity must be issued for each of these standards and kept on file as described in Annex II of the R&TTE Directive. Furthermore, the manufacturer must maintain a copy of the modules' documentation and ensure the final product does not exceed the specified power ratings, antenna specifications, and/or installation requirements as specified in the user manual. If any of these specifications are exceeded in the final product, a submission must be made to a notified body for compliance testing to all required standards. The 'CE' marking must be affixed to a visible location on the OEM product. The CE mark shall consist of the initials "CE" taking the following form: The CE marking must have a height of at least 5 mm except where this is not possible on account of the nature of the apparatus. The CE marking must be affixed visibly, legibly, and indelibly. More detailed information about CE marking requirements you can find at "DIRECTIVE 1999/5/ EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL" on 9 March 1999 at section 12. Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Contact MicroRidge 18 Contact MicroRidge Email: Support: support@microridge.com Sales: sales@microridge.com Information: info@microridge.com Phone: Support: 541.593.1656 Sales: 541.593.3500 Main office: 541.593.1656 Fax: 541.593.5652 Mailing Address: MicroRidge Systems, Inc. PO Box 3249 Sunriver, OR 97707-0249 Shipping Address: MicroRidge Systems, Inc. 56888 Enterprise Drive Sunriver, OR 97707 Note: There is no mail delivery to this address. This address should only be used for package delivery services such as UPS, FedEx, etc. Web: www.MicroRidge-RM.com Version 1.2.4 Copyright © 2014 MicroRidge Systems, Inc. MicroRidge 2.4 GHz Radio Module Revision History 19 Revision History Date Version 9-3-2014 1.0.1 Preliminary release of MICRO-RM2.4 User Manual 9-12-2014 1.1.2 Minor revisions to preliminary manual. 10-30-2014 1.2.3 Changed radio module images to reflect final FCC & IC certification numbers. Revised text for FCC and IC in Radio Certification section. 10-31-2014 1.2.4 Minor word additions to Radio Certification section. Version 1.2.4 Comments Copyright © 2014 MicroRidge Systems, Inc.
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