Data Sheet
Contents
1. 2011 Microchip Technology Inc Preliminary DS75017A page 9 OL eBed y7 108 Sd Bojouuoe FIGURE 2 2 MRF89XAM9A SCHEMATIC 1 C1 0 047 pF ln 1 PCB ANTENNA co 0 22wF FLI 10nH 100nH DQ P10 Vin 16 10nH 100kn 5 P9 IRQI P IRQO P6 SCK PQ P5 SDI 680pF 0 01uF R3 6 8 17 Xx P7 500 Note Designators not used L5 Pd P8 CSDATA P3 CSCON Pe RESET Xx Pi GND P11 GND 12 GND MRF89XAM9A TABLE 2 1 MRF89XAM9A BILL OF MATERIALS Desi gnat Value Description Manufacturer Part Number or C1 0 047 uF Capacitor Ceramic 10V 10 X7R SMT Murata GRM155R71A473KA01D 0402 C2 0 22 uF Capacitor Ceramic 16V 10 X7R SMT Murata GRM155R71C224KA12D 0402 C3 1 uF Capacitor Ceramic 6 3V 10 X5R SMT Murata GRM188R60J105KA01D 0603 C4 30 pF Capacitor Ceramic 50V 5 UHI Q NPO Johanson Technology 250R078300JV4T SMT 0402 C5 1 8pF Capacitor Ceramic 50V 0 1 pF UHI Q Johanson Technology 500R07S1R8BV4 NPO SMT 0402 C6 Designator not used C7 33 pF Capacitor Ceramic 50V 590 COG SMT Murata GRM1555C1H330JZ01D 0402 C8 0 1 UF Capacitor Ceramic 16V 11096 X7R SMT Murata GRM155R71C104KA88D 0402 C9 680 pF Capacitor Cer2. FIGURE 2 13 SIMULATED 3D RADIATION PATTERN dB GainTotal 55 1 9 17 1253 1 1 5412 1 7491 801 9571e 001 165 2 1 3738e 001 Y 5 1 7888e 001 9968e 001 208764001 1276001 2011 Microchip Technology Inc Preliminary DS75017A page 15 MRF89XAM9A FIGURE 2 14 SIMULATED PCB ANTENNA IMPEDANCE Name Freq Ang Mag RX 100 90 80 m1 0 9150 48 0708 0 9749 0 0765 2 2401i Curve Info S LumpPort1 LumpPort1 Setup1 Sweep1 150 160 170 180 170 160 150 100 90 80 FIGURE 2 15 MEASURED ANTENNA IMPEDANCE 915 MHZ BAND 1 Active 2Response 3 Stimulus 4 Mkr Analysis 5 Instr State 1 Start 600 MHz IFBW 70 kHz Stop 1 1 GHz Cor f DS75017A page 16 Preliminary 2011 Microchip Technology Inc MRF89XAM9A 3 0 REGULATORY APPROVAL The MRF89XAM9A module has received regulatory approvals for modular devices in the United States and Canada Modular device approval allows the end user to place the MRF89XAM9A module inside a finished product and not require regulatory testing for an intentional radiator RF transmitter provided no changes or modifications are made to the module circuitry Changes or modifications could void the user s authority to operate the equipment
3. MICROCHIP MRF89XAM9A Data Sheet 915 MHz Ultra Low Power Sub GHz Transceiver Module 2011 Microchip Technology Inc Preliminary DS75017A Note following details of the code protection feature on Microchip devices Microchip products meet the specification contained in their particular Microchip Data Sheet Microchip believes that its family of products is one of the most secure families of its kind on the market today when used in the intended manner and under normal conditions There are dishonest and possibly illegal methods used to breach the code protection feature All of these methods to our knowledge require using the Microchip products in a manner outside the operating specifications contained in Microchip s Data Sheets Most likely the person doing so is engaged in theft of intellectual property Microchip is willing to work with the customer who is concerned about the integrity of their code Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code Code protection does not mean that we are guaranteeing the product as unbreakable Code protection is constantly evolving We at Microchip are committed to continuously improving the code protection features of our products Attempts to break Microchip s code protection feature may be a violation of the Digital Millennium Copyright Act If such acts allow unauthorized access to your software or
4. 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 Le present appareil est conforne aux d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radio lectrique subi meme si le brouilage est susceptible d en compromettre le fonctionnement 3 2 1 MRF89XAM9A SETTINGS To meet Industry Canada IC requirements the following settings must be observed by the integrator 3 2 1 1 FSK Modulation The following settings configure the MRF89XAMO9A for wideband digital modulation techniques that conform to the requirements of RSS 210 Issue 8 Annex 8 These settings allow higher radio frequency RF output power and greater link budget Bit Rate Setting 50 200 kbps Transmit Power Maximum Setting 13 dBm Bit Rate Setting 2 40 kbps Transmit Power Maximum Setting 7 dBm Frequency Deviation Setting 200 kHz Data Whitening On Lower Frequency Setting 902 800 MHz Upper Frequency Setting 926 500 MHz 3 2 1 2 OOK Modulation The following settings configure the MRF89XAMO9A for narrowband operation that conform to the requirements of RSS Gen Issue 3 RSS Gen Issue 3 requires a much lower power setting than
5. 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 Requirements for product labeling are given in Part 15 19 Labelling Requirements The user s manual should include the following statement 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 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 3 1 1 MRF89XAM9A SETTINGS To
6. is allowed in Part RSS 210 Issue 8 Annex 8 These settings are good for applications that require lower transmit power current consumption and shorter transmit distances Transmit Power Maximum Setting 1 dBm Bit Rate Maximum Setting 28 kbps Frequency Deviation Setting 200 kHz Lower Frequency Setting 902 330 MHz Upper Frequency Setting 927 500 MHz 3 2 2 HELPFUL WEB SITES Industry Canada http www ic gc ca 2011 Microchip Technology Inc Preliminary DS75017A page 19 MRF89XAM9A NOTES nn EET Fr DS75017A page 20 Preliminary 2011 Microchip Technology Inc MRF89XAM9A 40 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings Ambient temperature under 40 C to 85 C Storage terriperatule uuu uu uu KAA ka AA Ha KE EH 55 to 125 C Voltage on VIN with respect to 88 0 3V to 6V Voltage any combined digital and analog pin with respect to Vss except VIN 0 3V to VIN 0 3V Input current into pin except VIN and 8 25 mA to 25 mA NOTICE Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operation listings of thi
7. or Representative Local Sales Office Field Application Engineer FAE Technical Support Development Systems Information Line Customers should contact their distributor representative or field application engineer FAE for support Local sales offices are also available to help customers A listing of sales offices and locations is included in the back of this document Technical support is available through the web site at http microchip com support 2011 Microchip Technology Inc Preliminary DS75017A page 29 MRF89XAM9A READER RESPONSE It is our intention to provide you with the best documentation possible to ensure successful use of your Microchip product If you wish to provide your comments on organization clarity subject matter and ways in which our documentation can better serve you please FAX your comments to the Technical Publications Manager at 480 792 4150 Please list the following information and use this outline to provide us with your comments about this document TO Technical Publications Manager Total Pages Sent RE Reader Response From Name Company Address City State ZIP Country Telephone FAX Application optional Would you like a reply Y N Device MRF89XAM9A Literature Number DS75017A Questions 1 What are the best features of this document 2 How does this document meet your hardware and software develo
8. page 2 Preliminary 2011 Microchip Technology Inc MICROCHIP MRF89XAM9A 915 MHz Ultra Low Power Sub GHz Transceiver Module Features Module designed from the MRF89XA Integrated Ultra Low Power Sub GHz Transceiver IC Supports MiWi Development Environment Proprietary Wireless Networking Protocols 4 Wire Serial Peripheral Interface SPI with Interrupts Small Size 0 7 x 1 1 17 8 mm x 27 9 mm Surface Mountable Pin compatible with MRF89XAM8A Integrated Crystal Internal Voltage Regulator Matching Circuitry and Printed Circuit Board PCB Antenna Easy Integration into Final Product Minimize Product Development Quicker Time to Market Compatible with Microchip s Microcontroller Families PIC16 PIC18 PIC24 dsPIC33 and PIC32 Modular Device Approval for United States FCC Canada IC and Radio Regulation Certified for Australia New Zealand C TICK Operational Operating Voltage 2 1 3 6V 3 3V typical Temperature Range 40 C to 85 C Industrial Low Current Consumption Rx mode 3 mA typical Tx mode 25 mA at 10 dBm typical Sleep 0 1 pA typical Pin diagram RF Analog Features SM Band 902 928 MHz Operation Modulation FSK and OOK Data Rate FSK 200 kbps OOK 28 kbps Reception sensitivity FSK 105 dBm typical at 25 kbps OOK 111 dBm typical at 2 kbps 10 dBm Typical Output Power with 21 dB Tx Power Co
9. 08 08 91 UK Wokingham Tel 44 118 921 5869 Fax 44 118 921 5820 05 02 11 DS75017A page 32 2011 Microchip Technology Inc
10. 8 Chicago Itasca IL Tel 630 285 0071 Fax 630 285 0075 Cleveland Independence OH Tel 216 447 0464 Fax 216 447 0643 Dallas Addison TX Tel 972 818 7423 Fax 972 818 2924 Detroit Farmington Hills MI Tel 248 538 2250 Fax 248 538 2260 Indianapolis Noblesville IN Tel 317 773 8323 Fax 317 773 5453 Los Angeles Mission Viejo CA Tel 949 462 9523 Fax 949 462 9608 Santa Clara Santa Clara CA Tel 408 961 6444 Fax 408 961 6445 Toronto Mississauga Ontario Canada Tel 905 673 0699 Fax 905 673 6509 ASIA PACIFIC Asia Pacific Office Suites 3707 14 37th Floor Tower 6 The Gateway Harbour City Kowloon Hong Kong Tel 852 2401 1200 Fax 852 2401 3431 Australia Sydney Tel 61 2 9868 6733 Fax 61 2 9868 6755 China Beijing Tel 86 10 8569 7000 Fax 86 10 8528 2104 China Chengdu Tel 86 28 8665 5511 Fax 86 28 8665 7889 China Chongqing Tel 86 23 8980 9588 Fax 86 23 8980 9500 China Hangzhou Tel 86 571 2819 3180 Fax 86 571 2819 3189 China Hong Kong SAR Tel 852 2401 1200 Fax 852 2401 3431 China Nanjing Tel 86 25 8473 2460 Fax 86 25 8473 2470 China Qingdao Tel 86 532 8502 7355 Fax 86 532 8502 7205 China Shanghai Tel 86 21 5407 5533 Fax 86 21 5407 5066 China Shenyang Tel 86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8203 2660 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xi
11. ETTINGS for Canada FIGURE 1 1 1 1 Interface description The simplified block diagram of the MRF89XAM9A module is shown in Figure 1 1 The module is based on the Microchip Technology MRF89XA Ultra Low Power Sub GHz Transceiver Integrated Circuit IC The module interfaces to many popular Microchip PIC microcontrollers through a 3 wire serial SPI interface two chip selects configuration and data two interrupts Interrupt Request 0 and Interrupt Request 1 IRQ1 Reset Power and Ground as shown in Figure 1 2 Table 1 1 provides the pin descriptions Data communication and module configuration are documented in the MRF89XA Ultra Low Power Integrated Sub GHz Transceiver 0870622 Data Sheet For more information on specific serial interface protocol and general register definitions refer to the MRF89XA Data Sheet and see Section 1 3 Operation for specific register settings unique to the MRF89XAM9A module operation to maintain regulatory compliance MRF89XAM9A BLOCK DIAGRAM MRF89XAM9A Module MRF89XA CSCON Control CSDATA Interface Matching Digital I O PCB Circuitry Baseband Antenna and IRQO SAW Filter Power IRQI Management RESET Power E 12 8 MHz Crystal 2011 Microchip Technology Inc Preliminary DS75017A page 3 MRF89XAM9A TABLE 1 1 PIN DESCRIPTION Pin S
12. M9A THE MICROCHIP WEB SITE Microchip provides online support via our WWW site at www microchip com This web site is used as a means to make files and information easily available to customers Accessible by using your favorite Internet browser the web site contains the following information Product Support Data sheets and errata application notes and sample programs design resources user s guides and hardware support documents latest software releases and archived software General Technical Support Frequently Asked Questions FAQ technical support requests online discussion groups Microchip consultant program member listing Business of Microchip Product selector and ordering guides latest Microchip press releases listing of seminars and events listings of Microchip sales offices distributors and factory representatives CUSTOMER CHANGE NOTIFICATION SERVICE Microchip s customer notification service helps keep customers current on Microchip products Subscribers will receive e mail notification whenever there are changes updates revisions or errata related to a specified product family or development tool of interest To register access the Microchip web site at www microchip com Under Support click on Customer Change Notification and follow the registration instructions CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels Distributor
13. S Receiver Wake up Time 600 900 From Stand by to ready TSRHOP Hop Time from 400 us 200 kHz step Ready to Rx Ready with a E 400 m us 1 MHz step Fregueney Hop 4600 us 5 MHz step 480 7 2 step 520 12 2 step 550 us 20 MHz step 600 27 2 step RSSIST RSSI Sampling Time fae S From Rx ready RSSTDR RSSI Dynamic Range 70 Ranging from sensitivity Note 1 Guaranteed by design and characterization 2 This reflects the whole receiver bandwidth as described by conditions for active and passive filters DS75017A page 24 Preliminary 2011 Microchip Technology Inc MRF89XAM9A TABLE 4 6 TRANSMITTER AC CHARACTERISTICS Symbol Description Min Typ Max Unit Condition RFOP RF Output Power Programmable 12 5 dBm Maximum power setting With g Steps ol typ 9d 8 5 dBm Minimum power setting PN Phase Noise 112 dBc Hz Measured with a 600 kHz offset at the transmitter output TXSP Transmitted Spurious 47 dBc At any offset between 200 kHz and 600 kHz unmodulated carrier f 50 kHz Tx2 Second Harmonic No modulation see Note 2 Tx3 Third Harmonic Tx4 Fourth Harmonic m m 740 dem Txn Harmonics above Tx4 FSKDEV FSK Deviation 33 55 200 kHz Programmable TSTWF Transmitter Wake u
14. The end user must comply with all of the instructions provided by the Grantee which indicate installation and or operating conditions necessary for compliance The integrator is still responsible for testing the end product for any additional compliance requirements required with this module installed digital device emission PC peripheral requirements etc in the specific country that the end device will be marketed For more information on regulatory compliance refer to the specific country radio regulations in the following sections 3 1 United States The MRF89XAM9A received Federal Communications Commission FCC CFR47 Telecommunications Part 15 Subpart C Intentional Radiators 15 247 and 15 249 and modular approval in accordance with Part 15 212 Modular Transmitter approval The MRF89XAM9A module can be integrated into a finished product without obtaining subsequent and separate FCC certification The MRF89XAM9A module has been 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 finished product into which the module is installed must also display a label referring to the enclosed module This exterior label can use wording as following Contains Transmitter Module FCC ID OA3MRF89XAM9A Or Contains FCC ID OASMRF89XAM9A This device complies with Part 15 of the FCC Rules Operation is subject to the following two
15. amic 50V 596 COG SMT Murata GRM1555C1H681JA01D 0402 C10 0 01 uF Capacitor Ceramic 16V 10 X7R SMT Murata GRM155R71C103KA01D 0402 C11 1 0pF Ceramic 50V 0 1 pF UHI Q Johanson Technology 500R07S1ROBV4 NPO SMT 0402 C12 0 9 pF Capacitor Ceramic 50V 0 1 pF UHI Q Johanson Technology 500R07SOR9BV4 NPO SMT 0402 FL1 TA0281A SAW 902 928 MHz Tai saw Technology TA0281A L1 10 nH Inductor Ceramic X596 SMT 0402 Johanson Technology L 07C10NJV6T L2 100nH Ceramic 596 SMT 0402 Johanson Technology L 07CR10JV6T L3 5 6nH Inductor Wirewound 596 SMT 0402 Johanson Technology L 07W5N6JV4T L4 5 6nH _ Inductor Wirewound 596 SMT 0402 Johanson Technology L O7W5N6JV4T L5 Designator not used L6 10 nH Inductor Ceramic 5 SMT 0402 Johanson Technology L 07C10NJV6T R1 10 Resistor 190 100 ppm 9C SMT 0402 Vishay Dale CRCW04021ROOFKED R2 100 Resistor 5 100 ppm 9C SMT 0402 Yageo RC0402JR 07100KL R3 6 8KO Resistor 196 100 ppm c SMT 0402 Yageo RC0402FR 076K8L U1 MRF89XA Transceiver Ultra Low Power Integrated Microchip Technology MRF89XA I MQ Sub GHz X1 12 8 MHz Crystal 10 ppm 15 pF ESR 100 ohms Abracon ABM3B 155 12 800MHz T SMT 5 3 2mm a x ee Y 2011 Microchip Technology Inc Preliminary DS75017A page 11 MRF89XAM9A 2 2 Printed Circuit Board FIGURE 2 5 LAYER 2 GROUND The MRF89XAM9A module PCB is constructed wi
16. an Tel 86 29 8833 7252 Fax 86 29 8833 7256 China Xiamen Tel 86 592 2388138 Fax 86 592 2388130 China Zhuhai Tel 86 756 3210040 Fax 86 756 3210049 ASIA PACIFIC India Bangalore Tel 91 80 3090 4444 Fax 91 80 3090 4123 India New Delhi Tel 91 11 4160 8631 Fax 91 11 4160 8632 India Pune Tel 91 20 2566 1512 Fax 91 20 2566 1513 Japan Yokohama Tel 81 45 471 6166 Fax 81 45 471 6122 Korea Daegu Tel 82 53 744 4301 Fax 82 53 744 4302 Korea Seoul Tel 82 2 554 7200 Fax 82 2 558 5932 or 82 2 558 5934 Malaysia Kuala Lumpur Tel 60 3 6201 9857 Fax 60 3 6201 9859 Malaysia Penang Tel 60 4 227 8870 Fax 60 4 227 4068 Philippines Manila Tel 63 2 634 9065 Fax 63 2 634 9069 Singapore Tel 65 6334 8870 Fax 65 6334 8850 Taiwan Hsin Chu Tel 886 3 6578 300 Fax 886 3 6578 370 Taiwan Kaohsiung Tel 886 7 213 7830 Fax 886 7 330 9305 Taiwan Taipei Tel 886 2 2500 6610 Fax 886 2 2508 0102 Thailand Bangkok Tel 66 2 694 1351 Fax 66 2 694 1350 EUROPE Austria Wels Tel 43 7242 2244 39 Fax 43 7242 2244 393 Denmark Copenhagen Tel 45 4450 2828 Fax 45 4485 2829 France Paris Tel 33 1 69 53 63 20 Fax 33 1 69 30 90 79 Germany Munich Tel 49 89 627 144 0 Fax 49 89 627 144 44 Italy Milan Tel 39 0331 742611 Fax 39 0331 466781 Netherlands Drunen Tel 31 416 690399 Fax 31 416 690340 Spain Madrid Tel 34 91 708 08 90 Fax 34 91 7
17. ational settings that are unique to the MRF89XAM9A module design that must be followed for proper operation 1 3 1 RESET Pin 2 of the module RESET allows an external reset of the MRF89XA IC RESET is connected to the TEST8 pin of the MRF89XA IC During normal operations of the MRF89XAMO9A the RESET pin should be held in a high impedance state For more information on assertion of the RESET pin refer to Section 3 1 2 Manual Rese in the MRF89XA Data Sheet DS70622 1 3 2 CRYSTAL FREQUENCY When calculating frequency deviation bit rate receiver bandwidth and PLL R P and S values use crystal frequency 12 8 MHz 1 3 3 CLOCK OUTPUT CLKOUT The CLKOUT pin 19 of the MRF89XA IC is not used on the module Ensure that the CLKOUT signal is disabled to minimize current consumption 1 3 4 FREQUENCY BAND SELECT The Frequency Band Select FBS lt 1 0 gt bits in the GCONREG lt 4 3 gt should be set for target channel range 902 915 MHz FBS lt 1 0 gt 00 or 915 928 MHz FBS lt 1 0 gt 01 1 3 5 VCO TANK TRIM VALUE The Trim VCOT lt 1 0 gt bits the GCONREG lt 2 1 gt should be set for VCOT lt 1 0 gt 01 for the inductor values of the module 1 3 6 BIT RATE The maximum bit rate value will be limited to 28 kbps for OOK modulation due to the crystal frequency of 12 8 MHz 2011 Microchip Technology Inc Preliminary DS75017A page 7 MRF89XAM9A NOTES _ DS75017A page 8 Pre
18. ge 0 8 VIN V liL Input Low Leakage Current 0 5 0 5 VIL OV High Current 0 5 0 5 VIH VIN 3 7 VoL Digital Low Output Voltage 0 1 VIN loL 1 VOH Digital Low Output 0 9 VIN V 1 mA Note 1 Measurement Conditions TA 25 C VIN 3 3V Crystal Frequency 12 8 MHz unless otherwise specified 2 Negative current is defined as the current sourced by the pin DS75017A page 22 Preliminary 2011 Microchip Technology Inc MRF89XAM9A TABLE 4 4 PLL PARAMETERS AC CHARACTERISTICS Symbol Parameter Min Typ Max Unit Condition FRO Frequency Ranges 902 928 MHz BRFSK Bit Rate FSK 2 200 kbps NRZ BROOK Bit Rate 1 56 28 kbps NRZ FDFSK Frequency Deviation FSK 33 200 kHz FXTAL Crystal Oscillator Frequency 12 8 MHz FSSTP Frequency Synthesizer Step 2 kHz Variable depending on the frequency TSOSC Oscillator Wake up Time 1 5 5 ms From Sleep mode TSFS Freguency Synthesizer Wake 500 800 us From Stand by mode up Time at most 10 kHz away from the target TSHOP Frequency Synthesizer Hop 180 HS 200 kHz step Time at most 10 kHz away 200 us 1 MHz step from the target 250 m 5 MHz step 260 Us 7 MHz step 290 us 12 MHz step 320 us 20 MHZ step 340 us 27 MHz ste
19. is end we will continue to improve our publications to better suit your needs Our publications will be refined and enhanced as new volumes and updates are introduced If you have any guestions or comments regarding this publication please contact the Marketing Communications Department via E mail docerrors microchip com or fax the Reader Response Form in the back of this data sheet to 480 792 4150 We welcome your feedback Most Current Data Sheet To obtain the 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 the bottom outside corner of any page The last character of the literature number is the version number e g DS30000A is version A of document 0830000 Errata An errata sheet describing minor operational differences from the data sheet and recommended workarounds may exist for current devices As device documentation issues become known to us we will publish an errata sheet The errata will specify the revision of silicon and revision of document to which it applies To determine if an errata sheet exists for a particular device please check with one of the following Microchip s Worldwide Web site http www microchip com Your local Microchip sales office see last page When contacting a sales office please specify which device revision of silicon and data shee
20. liminary 2011 Microchip Technology Inc MRF89XAM9A 2 0 CIRCUIT DESCRIPTION The MRF89XAM9A module interfaces to Microchip s PIC16 18 24 dsPIC33 and PIC32 microcontrollers with minimum of external components through digital only connections An example application schematic is shown in Figure 2 2 2 1 The MRF89XAM9A module is based on the Microchips MRF89XA Ultra Low Power Integrated ISM Band Sub GHz Transceiver IC The serial 1 0 CSCON CSDATA SCK SDO and SDI RESET IRQO and IRQ1 pins are routed out and available on the module pins as shown in Figure 2 2 Crystal X1 is a 12 8 MHz crystal with a frequency tolerance of 10 ppm at 25 C The RFIO output is matched to the SAW filler FL1 and further matched to the PCB trace antenna Figure 2 2 illustrates the MRF89XAM9A schematics Table 2 1 details the Bill of Materials BOM Module Schematic FIGURE 2 1 MRF89XAM9A APPLICATION SCHEMATIC 33V Note 1 e mmm JL 01 C2 T 01yF I 10 U1 MRF89XAM9A I RM 1 12 GND GND 6 LI 2 11 RESET GND 3 10 CSCON VIN To Host lt 4 9 Microcontroller IRQ0 IRQ1 To Host 2 5 mE lt Microcontroller SDI CSDATA 6 7 SCK SDO Note For battery powered applications place a 10 uF capacitor in parallel with the 0 1 uF bypass capacitor to provide a low impedance during startup sequences
21. mance A host PCB ground plane around the acts as counterpoise to the PCB antenna It is recommended to extend the ground plane at least 0 4 1 cm around the module FIGURE 1 3 MODULE DETAILS 0 032 0 005 y _ 0 010 FIGURE 1 4 RECOMMENDED PCB FOOTPRINT 0 700 trace keep out area PCB Antenna 0 080 gt 4 lt 0 080 0 620 2011 Microchip Technology Inc Preliminary DS75017A page 5 MRF89XAM9A FIGURE 1 5 MOUNTING DETAILS Keep area around the antenna approximately 3 4 6 8 cm be kept clear of metallic objects for 3 4 best performance Edge of PCB 3 4 0 470 gt i 0 4 0 4 gt Host PCB top copper ground plane antenna counterpoise Extend th host PCB top copper ground plane under and to the left and right side of the module at least 0 4 inches 1 cm for best antenna performance DS75017A page 6 Preliminary 2011 Microchip Technology Inc MRF89XAM9A 1 3 Operation The MRF89XAM9A module is based the Microchip s MRF89XA Ultra Low Power Integrated ISM Sub GHz Transceiver IC Data communication and module configuration are documented in the MRF89XA Ultra Low Power Integrated ISM Band Sub GHz Transceiver Data Sheet 0570622 This section emphasizes oper
22. meet the FCC requirements the following settings must be observed by the integrator 3 1 1 1 FSK Modulation The following settings configure the MRF89XAMO9A for wideband digital modulation techniques that conform to the requirements of Part 15 247 These settings allow higher radio frequency RF output power and greater link budget Bit Rate Setting 50 200 kbps Transmit Power Maximum Setting 13 dBm Bit Rate Setting 2 40 kbps Transmit Power Maximum Setting 7 dBm Frequency Deviation Setting 200 kHz Data Whitening On Lower Frequency Setting 902 800 MHz Upper Frequency Setting 926 500 MHz 2011 Microchip Technology Inc Preliminary DS75017A page 17 MRF89XAM9A 3 1 1 2 OOK Modulation The following settings configure the MRF89XAMO9A for narrowband operation that conform to the requirements of the part 15 249 The part 15 249 requires a much lower power setting than it is allowed in the part 15 247 These settings are good for applications that require lower transmit power current consumption and shorter transmit distances Transmit Power Maximum Setting 1 dBm Bit Rate Maximum Setting 28 kbps Frequency Deviation Setting 200 kHz Lower Frequency Setting 902 330 MHz Upper Frequency Setting 927 500 MHz 3 1 2 RF EXPOSURE All transmitters regulated by must comply with RF exposure requirements OET Bulletin 65 Evaluating Compliance with FCC Guidelines for Human Exposu
23. ntrol Range Media Access Controller MAC Baseband Features Packet handling feature with data whitening and automatic CRC generation Incoming sync word pattern recognition Built in bit synchronizer for incoming data and clock synchronization and recovery 64 byte transmit receive FIFO with preload in Stand by mode Supports Manchester encoding decoding techniques GND RESET CSCON IRQO SDI SCK O 12 GND 11 GND 10 VIN 9 IRQ1 8 CSDATA 7 SDO 2011 Microchip Technology Inc Preliminary DS75017A page 1 MRF89XAM9A Table of Contents 1 0 Device eere nre ere ie En 3 20 Circuit Description eder be e E epa de EC HE GE hr EL Aad eut en 9 3 0 Regulatory Approval 4 0 Electrical Characteristics 21 Appendix A Revision History 527 The Microchip WebSites 5 u asun REDE ote pty se kaart Re e REL A P RUM ceres 29 Customer Change Notification eee ep ee deside De E e debida a abe dede dade nance 29 Customer Support 29 Reader Response 30 Product Identification System Kada MUA Wai KASI MBA Ae T a A E kasan 31 OUR VALUED CUSTOMERS Itis our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products To th
24. ommunications Commission http www fcc gov DS75017A page 18 Preliminary 2011 Microchip Technology Inc MRF89XAM9A 3 2 Canada The MRF89XAM9A module has been certified for use in Canada under Industry Canada IC Radio Standards Specification RSS RSS 210 and RSS Gen Modular approval permits the installation of a module in a host device without the need to recertify the device Labeling Requirements for the Host Device from Section 3 2 1 RSS Gen Issue 3 December 2010 The host device must be labeled to identify the module within the host device The Industry Canada certification label of a module shall be clearly visible at all times when installed in the host device otherwise the host device must be labeled to display the Industry Canada certification number of the module preceded by the words Contains transmitter module or the word Contains or similar wording expressing the same meaning as follows Contains transmitter module IC 7693A 89XAM9A User Manual Notice for License Exempt Radio Apparatus from Section 7 1 3 RSS Gen Issue 3 December 2010 User manuals for radio apparatus must contain the following or equivalent notice in a conspicuous location in user manual or alternatively on the device or both This device complies with Industry Canada license exempt RSS standard s Operation is subject to the following two conditions
25. other copyrighted work you may have a right to sue for relief under that Act Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates It is your responsibility to ensure that your application meets with your specifications MICROCHIP MAKES REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED WRITTEN OR ORAL STATUTORY OR OTHERWISE RELATED TO THE INFORMATION INCLUDING BUT NOT LIMITED TO ITS CONDITION QUALITY PERFORMANCE MERCHANTABILITY OR FITNESS FOR PURPOSE Microchip disclaims all liability arising from this information and its use Use of Microchip devices in life support and or safety applications is entirely at the buyer s risk and the buyer agrees to defend indemnify and hold harmless Microchip from any and all damages claims suits or expenses resulting from such use No licenses are conveyed implicitly or otherwise under any Microchip intellectual property rights QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV ISO TS 16949 2009 Trademarks The Microchip name and logo the Microchip logo dsPIC KEELOQ KEELOQ logo MPLAB PIC PICmicro PICSTART 2 logo rfPIC and UNI O are registered trademarks of Microchip Technology Incorporated in the U S A and other countries FilterLab Hampshire HI TECH C Linear Active Thermistor MXDEV MXLAB SEEVAL and The Embedded Control Solutions Company a
26. p Note 1 Guaranteed by design and characterization 2011 Microchip Technology Inc Preliminary DS75017A page 23 MRF89XAM9A TABLE 4 5 RECEIVER AC CHARACTERISTICS Symbol Parameter Min Typ Max Unit Condition RSF Sensitivity FSK 105 dBm 915 MHz BR lt 25 kbps 50 kHz f 100 kHz 101 dBm 915 MHz 66 7 kbps 100 kHz f 200 kHz RSO Sensitivity OOK 111 dBm 915 MHz 2 kbps NRZ f f 50 kHz f 50 kHz 105 dBm 915 MHz 16 7 kbps NRZ f f 100 kHz f 100 kHz CCR Co Channel Rejection 12 dBc Modulation as wanted signal ACR Adjacent Channel Rejection 27 dB Offset 300 kHz unwanted tone is not modulated 52 dB Offset 600 kHz unwanted tone is not modulated 57 dB Offset lt 1 2 MHz unwanted tone is not modulated BI Blocking Immunity 48 dBm Offset 1 MHz unmodulated 37 dBm Offset 2 MHz unmodulated no SAW 33 dBm Offset 10 MHz unmodulated no SAW RXBWF Receiver Bandwidth in FSK 50 250 kHz Single side BW Polyphase Off Mode 2 RXBWU Receiver Bandwidth in OOK 50 400 kHz Single side BW Polyphase On Mode 2 ITP3 Input Third Order Intercept 28 dBm Interferers at 1 MHz and 1 950 MHz Point offset TSRWF Receiver Wake up Time 280 500 Us From FS to Rx ready TSRW
27. p Time 120 500 Us From FS to Tx ready TSTWS Transmitter Wake up Time 600 900 Hs From Stand by to Tx ready Note 1 Guaranteed by design and characterization 2 Transmitter in circuit performance with SAW filter and crystal 4 1 Timing Specification and Diagram TABLE 4 7 SPI TIMING SPECIFICATION Parameter Min Typ Max Unit Condition SPI Configure Clock Frequency 6 MHz SPI Data Clock Frequency 1 MHz Data Hold and Setup Time 2 Us SDI Setup Time for SPI Configure 250 ns SDI Setup Time for SPI Data 312 ns CSCON Low to SCK Rising Edge 500 ns SCK Falling Edge to CSCON High CSDATA Low to SCK Rising Edge 625 ns Ex SCK Falling Edge to CSDATA High CSCON Rising to Falling Edge 500 ns E CSDATA Rising to Falling Edge 625 ns Note 1 2 Negative current is defined as the current sourced by the pin Typical Values TA 25 C VIN 3 3V Crystal Frequency 12 8 MHz unless otherwise specified 2011 Microchip Technology Inc Preliminary DS75017A page 25 MRF89XAM9A NOTES DS75017A page 26 Preliminary 2011 Microchip Technology Inc MRF89XAM9A APPENDIX A REVISION HISTORY Revision A July 2011 This is the Initial release of the document 2011 Microchip Technology Inc Preliminary DS75017A page 27 MRF89XAM9A NOTES DS75017A page 28 Preliminary 2011 Microchip Technology Inc MRF89XA
28. pment needs 3 Do you find the organization of this document easy to follow If not why 4 What additions to the document do you think would enhance the structure and subject 5 What deletions from the document could be made without affecting the overall usefulness 6 Is there any incorrect or misleading information what and where 7 How would you improve this document DS75017A page 30 Preliminary 2011 Microchip Technology Inc MRF89XAM9A PRODUCT IDENTIFICATION SYSTEM To order or obtain information for example on pricing or delivery refer to the factory or the listed sales office Device Module Module and Temperature Type Reel Range Device MRF89XAMQA I RM Ultra Low Power Integrated ISM Band Sub GHz Transceiver module Temperature 1 40 to 85 Industrial Range Example a MRF89XAM9A I RM Industrial temperature tray b MRF89XAM9AT I RM Industrial temperature tape and reel 2011 Microchip Technology Inc Preliminary DS75017A page 31 MICROCHIP Worldwide Sales and Service AMERICAS Corporate Office 2355 West Chandler Blvd Chandler AZ 85224 6199 Tel 480 792 7200 Fax 480 792 7277 Technical Support http Awww microchip com support Web Address www microchip com Atlanta Duluth GA Tel 678 957 9614 Fax 678 957 1455 Boston Westborough MA Tel 774 760 0087 Fax 774 760 008
29. re to Radio Frequency Electromagnetic Fields provides assistance in determining whether proposed or existing transmitting facilities operations or devices comply with limits for human exposure to RF fields adopted by the Federal Communications Commission FCC The bulletin offers guidelines and suggestions for evaluating compliance If appropriate compliance with exposure guidelines for mobile and unlicensed devices can be accomplished by using warning labels and by providing informations concerning minimum separation distances from transmitting structures and proper installation of antennas The following statement must be included as a CAUTION statement in manuals and OEM products to alert users of FCC RF Exposure compliance To satisfy FCC RF Exposure requirements for mobile and base station transmission devices a separation distance of 20 cm or more should be maintained between the antenna of this device and persons during operation To ensure compliance operation at closer than this distance is not recommended The antenna s used for this transmitter must not be co located or operating in conjunction with any other antenna or transmitter If the MRF89XAM9A module is used in a portable application antenna is less than 20 cm from persons during operation the integrator is responsible for performing Specific Absorption Rate SAR testing in accordance with FCC rules 2 1091 3 1 3 HELPFUL WEB SITES Federal C
30. re registered trademarks of Microchip Technology Incorporated in the U S A Analog for the Digital Age Application Maestro chipKIT chipKIT logo CodeGuard dsPICDEM dsPICDEM net dsPICworks dsSPEAK ECAN ECONOMONITOR FanSense HI TIDE In Circuit Serial Programming ICSP Mindi MPASM MPLAB Certified logo MPLIB MPLINK mTouch Omniscient Code Generation PICC 18 PICDEM PICDEM net PICkit PICtail REAL ICE rfLAB Select Mode Total Endurance TSHARC UniWinDriver WiperLock 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 All other trademarks mentioned herein are property of their respective companies 2011 Microchip Technology Incorporated Printed in the U S A All Rights Reserved e Printed on recycled paper ISBN 978 1 61341 343 2 Microchip received ISO TS 16949 2002 certification for its worldwide headquarters design and wafer fabrication facilities in Chandler and Tempe Arizona Gresham Oregon and design centers in California and India The Company s quality system processes and procedures are for its PIC MCUs and dsPIC DSCs 00 code hopping devices Serial EEPROMs microperipherals nonvolatile memory and analog products In addition Microchip s quality system for the design and manufacture of development systems is ISO 9001 2000 certified DS75017A
31. s specification is not implied Exposure to maximum rating conditions for extended periods may affect device reliability 2011 Microchip Technology Inc Preliminary DS75017A page 21 MRF89XAM9A TABLE 4 1 RECOMMENDED OPERATING CONDITIONS Parameter Min Typ Max Unit Condition Ambient Operating Temperature 40 85 C Supply Voltage for RF Analog and Digital Circuits 2 1 3 6 V Supply Voltage for Digital 1 0 2 1 3 6 V Input High Voltage VIH 0 5 VIN 0 3 V Input Low Voltage VIL 0 3V 0 2 VIN V AC Peak Voltage on Open Collector Outputs IO Vin 15 VIN 1 5 V Note 1 At minimum VIN 1 5V should not be lower than 1 8V 4 2 CURRENT CONSUMPTION Symbol Chip Mode Min Typ Max Unit Condition IDDSL Sleep 0 1 2 HA Sleep clock disabled all blocks disabled IDDST Idle 65 80 Oscillator and baseband enabled IDDFS Frequency Synthesizer 1 3 1 7 mA Frequency synthesizer running IDDTX Tx 25 30 mA Output power 10 dBm 16 21 mA Output power 1 dBm IDDRX Rx 3 0 3 5 mA Note 1 Guaranteed by design and characterization TABLE 4 3 DIGITAL I O PIN INPUT SPECIFICATIONS Symbol Characteristic Min Typ Max Unit Condition VIL Input Low Voltage 0 2 VIN V VIH Input High Volta
32. t 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 DS75017A page 2 Preliminary 2011 Microchip Technology Inc MRF89XAM9A 1 0 DEVICE OVERVIEW The is an ultra low power sub GHz surface mount transceiver module with integrated crystal internal voltage regulator matching circuitry and PCB antenna The MRF89XAM9A module operates in the United States Canada 902 928 MHz ISM frequency band The integrated module design frees the integrator from extensive RF and antenna design and regulatory compliance testing allowing quicker time to market The MRF89XAM9A module is compatible with Microchip s MiWi Development Environment software stacks The software stacks are available as a free download including source code from the Microchip s web site http Avww microchip com wireless The MRF89XAM9A module has received regulatory approvals for modular devices in the United States FCC and Canada IC Modular device approval removes the need for expensive RF and antenna design and allows the user to place the MRF89XAM9A module inside a finished product and not require regulatory testing for an intentional radiator RF transmitter To maintain conformance refer to module settings in Section 3 1 1 MRF89XAM9A SETTINGS for the United States and Section 3 2 1 MRF89XAM9A S
33. th PLANE high temperature FR4 material that is four layers and 0 032 inches thick The layers are shown in Figure 2 3 through Figure 2 8 The PCB layer stack up is shown in Figure 2 9 FIGURE 2 3 TOP SILK SCREEN MRF 89XAMSA REV 1 L6 C1 Cll o T FIGURE 2 6 LAYER 3 POWER PLANE FIGURE 2 4 TOP COPPER DS75017A page 12 Preliminary 2011 Microchip Technology Inc MRF89XAM9A FIGURE 2 7 BOTTOM COPPER FIGURE 2 9 PCB LAYER STACK UP FIGURE 2 8 BOTTOM SILK SCREEN 334 1300M 221 gt 1109 211 yeolonnasT 1 2 8 mil FR4 1 2 oz Copper 0 032 12 mil FR4 0 005 1 2 oz Copper 8 mil FR4 1 2 oz Copper Top Copper Ground Plane Power Plane Bottom Copper 2011 Microchip Technology Inc Preliminary DS75017A page 13 MRF89XAM9A 2 3 PCB Antenna The PCB antenna is fabricated on the top copper trace Figure 2 10 shows the PCB antenna dimensions The layers below the antenna have no copper traces The ground and power planes under the components serve as a counterpoise to the PCB antenna Additional ground plane on the host PCB will substantially enhance the performance of the module For best performance place the mod
34. ule on the host PCB by following recommendations in Section 1 2 Mounting Details The PCB antenna was designed and simulated using Ansoft Designer and HFSS 3D full wave solver software by ANSYS Inc www ansoft com The goal of the design was to create a compact low cost antenna with the best radiation pattern Figure 2 11 shows the PCB antenna simulation drawing and Figure 2 12 and Figure 2 13 show the simulated 2D and 3D radiation patterns As shown by the radiation patterns the performance of the antenna is dependant upon the orientation of the module Figure 2 14 shows the impedance simulation and Figure 2 15 shows the actual impedance measurement The discrete FIGURE 2 11 matching circuitry matches the impedance of the antenna with the SAW filter and MRF89XA transceiver IC FIGURE 2 10 PCB ANTENNA DIMENSIONS 16 8 m 1 0mm lt Y 2 5mm 1 1mm Y EE 0 5mm lt 84mm l PCB ANTENNA SIMULATION DRAWING DS75017A page 14 Preliminary 2011 Microchip Technology Inc MRF89XAM9A FIGURE 2 12 SIMULATED 2D RADIATION PATTERN Name Theta Ang Mag m1 40 0000 40 0000 0 9421 m2 500000 50 0000 0 9568 m3 180 0000 180 0000 0 8986 Curve Info dB GainTotal Setup1 LastAdaptive 6 9954 Freq 0 915GHz Phi Odeg dB GainTotal Setup1 LastAdaptive 0 9545 Freq 0 915GHz Phi 90deg
35. ymbol Type Description 1 GND Power Ground 2 RESET DI Reset Pin For more information refer to Section 1 3 1 Reset 3 CSCON DI Serial Interface Configure Chip Select 4 IRQO DO Interrupt Request Output 5 SDI DI Serial Interface Data Input 6 SCK DI Serial Interface Clock 7 SDO DO Serial Interface Data Output 8 CSDATA DI Serial Interface Data Chip Select 9 IRQ1 DO Interrupt Request Output 10 Vin Power Power Supply 11 GND Power Ground 12 GND Power Ground FIGURE 1 2 MICROCONTROLLER MRF89XAM9A INTERFACE MRF89XAM9A PIC Microcontroller CSCON I O CSDATA M4 I O SDI mT4 SDO VIN SDO 6 SDI GND SCK SCK 0 INTx IRQI J INTx RESET IO DS75017A page 4 Preliminary 2011 Microchip Technology Inc MRF89XAM9A 1 2 Mounting Details The MRF89XAM9A has an integrated PCB antenna For the best performance follow the mounting details The MRF89XAM9A is a surface mountable module shown in Figure 1 5 is recommended that the The dimensions of the module are shown in module be mounted on the edge of the host PCB and Figure 1 3 The module PCB is 0 032 thick with an area around the antenna approximately 3 4 8 6 castellated mounting holes on the edge Figure 1 4 is cm be kept clear of metal objects for best the recommended host PCB footprint for the perfor
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