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? 2014 microchip technology inc. ds50002280a-page 1 rn41/rn41n features fully qualified bluetooth ? version 2.1 module, supports version 2.1 + enhanced data rate (edr) ascii command interface over uart postage-stamp sized form factor: - rn41: 13.4 x 25.8 x 2 mm - rn41n: 13.4 x 20 x 2 mm low-power (30 ma connected, < 10 ma sniff mode) uart (spp or hci) and usb (hci only) data connection interfaces sustained spp data rates: 240 kbps (slave mode), 300 kbps (master mode) hci data rates: 1.5 mbps sustained, 3.0 mbps burst in hci mode embedded bluetooth stack profiles include: gap, sdp, rfcomm, l2cap protocols, with spp, hid, and dun profile support (does not require any host stack). bluetooth sig qualified, end product listing castellated smt pads for easy and reliable pcb mounting class 1 high-power amplifier with on-board ceramic chip antenna (rn41) or external antenna (rn41n) compliance: - modular certified for the united states (fcc) and canada (ic) - european r&tte directive assessed radio module - australia/new zealand/korea/taiwan/japan - bluetooth sig qdid integrated crystal, internal voltage regulator, matching circuitry, power amplifier, low noise, memory amplifier and pcb antenna easy integration into final product - minimize product development, quicker time to market compatible with microchip microcontroller fami- lies (pic16f, pic18f, pic24f/h, dspic33 and pic32) up to 100 meter range applications cable replacement barcode scanners measurement and monitoring systems industrial sensors and controls medical devices class 1 bluetooth ? module with edr support downloaded from: http:///
rn41/rn41n ds50002280a-page 2 ? 2014 microchip technology inc. note 1: see section 4.0 ordering information for customer part numbers. information on firmware versions can be found on the rn41/rn41n product web page and the bluetooth data module command reference and advanced information users guide . rn41/rn41 module variants (1) model antenna firmware description rn41 ceramic chip 4.77, 6.15 class 1, 2.1+edr, spp profile rn41hci ceramic chip n/a class 1, 2.0+edr, hci over uart rn41u ceramic chip n/a class 1, 2.0+edr, hci over usb rn41hid ceramic chip 6.11 class 1, 2.1+edr, hid and spp profiles rn41apl ceramic chip 5.36, 5.43, 5.45 class 1, 2.1+edr, spp & mfi profiles rn41n external 4.77, 6.15 class 1, 2.1+edr, spp profile rn41napl external 5.36, 5.43, 5.45 class 1, 2.1+edr, spp and mfi profiles downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 3 rn41/rn41n to our valued customers it is our intention to provide our valued customers with the bes t documentation possible to ensure successful use of your micro chip products. to this end, we will continue to im prove our publications to better suit y our needs. our publications will be refined and enhanced as new volumes and updates are introduced. if you have any questions or comments regarding this publication, please contact the marketing communications department via e-mail at docerrors@microchip.com . 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., ds30000000a is version a of document ds30000000). errata an errata sheet, describing minor operational differences fr om the data sheet and recommended workarounds, may exist for curren t devices. as device/documentation is sues become known to us, we wi ll publish an errata sheet. the errata will specify the revisi on of silicon and revision of document to which it applies. to determine if an errata sheet exists for a parti cular device, please check with one of the following: microchips worldwide web site; http://www.microchip.com your local microchip sales office (see last page) when contacting a sales office, please specify which device, re vision 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. table of contents 1.0 device overview ......................................................................... .................................... .............................................................. 4 2.0 application information .................................................. ................................................... ............................................................ 8 3.0 regulatory approval ..................................................................... .................................... .......................................................... 13 4.0 ordering information ................................................................... ..................................... ........................................................... 19 appendix a: revision history ........................................ ................................................... ........ ............................................................ 21 the microchip web site ....................................................................... ................................................................................................ 23 customer change notification service.................................... ................................................... .... ...................................................... 23 customer support ............................................... ................................................... ............. ................................................................. 23 product identification system ..................................... ................................................... .......... ............................................................. 25 downloaded from: http:///
rn41/rn41n ds50002280a-page 4 ? 2014 microchip technology inc. 1.0 device overview the rn41/rn41n module is a small form factor, low- power, class 1 bluetooth radio that is ideal for designers who want to add wireless capability to their products without spending significant time and money developing bluetooth-specific hardware and software. the rn41/rn41n supports multiple interface protocols, is simple to design in, and is fully certified, making it a complete embedded bluetooth solution. with its high-performance, chip antenna (rn41) or external antenna (rn41n), and support for bluetooth edr, the rn41/rn41n delivers up to a 3-mbps data rate for distances up to 100 meters. 1.1 mcu interface the rn41/rn41n module is managed through ascii commands via the uart and/or pio signals. a mcu (micro-controller-unit) or host processor sends com- mands to module to configure features, read status, and manage bluetooth data connections. as shown in figure 1-1 , the uart tx and rx are required to communicate with module and transfer data across bluetooth spp connection. connecting the hardware flow control lines cts and rts is highly recommended for applications that transmits a continuous stream of data. the module can be configured locally via the uart or over-the-air. to support instant cable replacement, auto-discovery/pairing does not require software con- figuration. additionally, the module supports auto-con- nect master, i/o pin (dtr), and character-based trigger modes. figure 1-1: rn41/rn41n to mcu interface table 1-1 , tab l e 1 - 2 , table 1-3 , ta bl e 1 - 4 , and ta b l e 1 - 5 provide the modules environmental conditions, elec- trical characteristics, dimensions, radio characteristics, and digital i/o characteristics. 1.2 ascii command and data interface the bluetooth data module command reference and advanced information users guide provides a com- plete description of the ascii command and data inter- face for the rn41/rn41n module. table 1-1: environmental conditions parameter value temperature range (operating) -40 o c ~ 85 o c temperature range (storage) -40 o c ~ 85 o c relative humidity (operating) ?? 90% relative humidity (storage) ?? 90% moisture sensitivity level 1 table 1-2: electrical characteristics parameter min. typ. max. units supply voltage (dc) 3.0 3.3 3.6 v rx supply current 35 60 ma tx supply current 65 100 ma average power consumption standby/idle (default settings) 25 ma connected (normal mode) 30 ma connected (low-power sniff) 8 ma standby/idle (deep sleep enabled) 250 2.5 ma downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 5 rn41/rn41n table 1-3: module dimensions parameter rn41 rn41n units size 13.4 x 25.8 x 2 13.4 x 20 x 2 mm weight 0.045 0.040 oz. table 1-4: radio characteristics parameter frequency (ghz) min. typ. max. bluetooth specification units sensitivity at 0.1% ber 2.402 -80 -86 -70 dbm 2.441 -80 -86 dbm 2.480 -80 -86 dbm rf transmit power (1) rn41 2.402 16.3 dbm 2.441 17.0 dbm 2.480 18.4 dbm rf transmit power (1) rn41n 2.402 11.9 dbm 2.441 10.9 dbm 2.480 9.9 dbm initial carrier frequency tolerance 2.402 5 75 75 khz 2.441 5 75 khz 2.480 5 75 khz 20-db bandwidth for modulated carrier 900 1000 1000 khz drift (five slots packet) 15 40 khz drift rate 13 20 khz ? f1 avg maximum modulation 2.402 140 165 175 > 140 khz 2.441 140 165 175 khz 2.480 140 165 175 khz ? f2 avg minimum modulation 2.402 140 190 115 khz 2.441 140 190 khz 2.480 140 190 khz table 1-5: digital i/o characteristics 3.0 v vdd 3.3 v min. typ. max. units input logic level low -0.4 +0.8 v input logic level high 0.7 vdd vdd + 0.4 v output logic level low 0.2 v output logic level high vdd - 0.2 v all i/o pins (except reset) default to weak pull down +0.2 +1.0 +5.0 ? a downloaded from: http:///
rn41/rn41n ds50002280a-page 6 ? 2014 microchip technology inc. figure 1-2 and figure 1-3 show the modules dimensions. figure 1-2: rn41 module dimensions figure 1-3: rn41n module dimensions figure 1-4 and figure 1-5 show the pinout and table 1-6 describes the modules pins. figure 1-4: rn41 pin diagram figure 1-5: rn41n pin diagram pp 3&%2xwolqhpp 3&%7klfnqhvvpp 7rohudqfhv 'lphqvlrqvduhlqploolphwhuv 7rs9lhz 6lgh9lhz pp 3&%2xwolqhpp 3&%7klfnqhvvpp 7rohudqfhv 7rs9lhz 'lphqvlrqvduhlqploolphwhuv 6lgh9lhz gnd spi_mosi gpio6gpio7 reset spi_clock pcm_clk pcm_sync pcm_in pcm_out vdd gnd spi_misospi_csb gpio4 gpio5 gpio3 gpio2 usb_d- usb_d+ uart_cts uart_rts uart_tx uart_rx 12 3 4 5 6 7 8 9 10 11 12 2423 22 21 20 19 18 17 16 15 14 13 aio1 gnd gpio11 gpio10 gpio9gpio8 gnd aio0 35 29 34 33 32 31 28 30 rn41 top view gnd spi_mosi gpio6gpio7 reset spi_clock pcm_clk pcm_sync pcm_in pcm_out vdd gnd spi_misospi_csb gpio4 gpio5 gpio3 gpio2 usb_d- usb_d+ uart_cts uart_rts uart_tx uart_rx 12 3 4 5 6 7 8 9 10 11 12 2423 22 21 20 19 18 17 16 15 14 13 aio1 gnd gpio11 gpio10 gpio9gpio8 gnd aio0 35 29 34 33 32 31 28 30 rn41n top view gndrf ant gnd 2726 25 downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 7 rn41/rn41n table 1-6: pin description note 1: pin numbers 7 through 10 are reserved for future use. pin symbol type description 1 gnd power ground reference 2 spi_mosi di ( optional ) factory diagnostic and test. see section 2.8 spi interface . 3 gpio6 dio set bluetooth master (high = auto-master mode) 4 gpio7 dio set baud rate (high = force 9,600, low = 115k or firmware setting) 5 reset di active-low reset 6 spi_clk di ( optional ) factory diagnostic and test. see section 2.8 spi interface . 7 pcm_clk dio (do not connect) pcm interface (1) 8 pcm_sync dio (do not connect) pcm interface (1) 9 pcm_in di (do not connect) pcm interface (1) 10 pcm_out do (do not connect) pcm interface (1) 11 vdd power positive supply 12 gnd power ground reference 13 uart_rx di uart receive input 14 uart_tx do uart transmit output 15 uart_rts do uart rts, goes high to disable host transmitter 16 uart_cts di uart cts, if set high, it disables transmitter 17 usb_d+ dio usb port. 1.5k pullup activated when usb port is ready (~500 ms after reset). 18 usb_d- dio usb port 19 gpio2 dio status, high when connected, low otherwise. see section 2.3 connection status . 20 gpio3 dio auto discovery = high 21 gpio5 dio status, toggles based on state, low on connect. see section 2.3 connection status . 22 gpio4 dio set factory defaults. see section 2.2 factory reset using gpio4 . 23 spi_csb di ( optional ) factory diagnostic and test. see section 2.8 spi interface . 24 spi_miso do ( optional ) factory diagnostic and test. see section 2.8 spi interface . 25 gnd power ground reference (rn41n only) 26 rf ant aio antenna, 50-ohm impedance (rn41n only) 27 gnd power ground reference (rn41n only) 28 gnd power ground reference 29 gnd power ground reference 30 aio0 aio ( not used ) optional analog input. 31 gpio8 dio uart tx/rx data activity 32 gpio9 dio i/o 33 gpio10 dio i/o (remote dtr signal) 34 gpio11 dio i/o (remote rts signal) 35 aio1 aio ( not used ) optional analog input downloaded from: http:///
rn41/rn41n ds50002280a-page 8 ? 2014 microchip technology inc. 2.0 application information the following sections provide information on design- ing with the rn41/rn41n module, including radio interference, factory reset, solder reflow profile, con- nection status, and so on. 2.1 reset circuit the rn41/rn41n contains a weak internal pull-up to vcc, and the reset polarity is active low. the modules reset pin has an optional power-on reset circuit with a delay, which should only be required if the input power supply has a very slow ramp or tends to bounce or have instability on power-up. often a microcontroller or embedded cpu i/o is available to generate the reset once power is stable. if not, designers can use one of the many low-cost power supervisor chips available, such as the mcp809 or mcp102/121. 2.2 factory reset using gpio4 it is recommended to connect the gpio4 pin to a switch, jumper, or resistor so it can be accessed. this pin can be used to reset the module to its factory default settings, which is critical in situations where the module has been misconfigured. to reset the module to the factory defaults, gpio4 should be high on power-up and then toggle between low and high twice with a 1 second wait between the low-high transitions. 2.3 connection status gpio5 is available to drive an led, and it blinks at var- ious speeds to indicate status, see table 2-1 . gpio2 is an output that directly reflects the connection state as shown in tab l e 2 - 2 . 2.4 module mounting details figure 2-1 and figure 2-2 show the recommended pcb footprint for the rn41 and rn41n, respectively. when laying out the carrier board for the rn41 module, the areas under the antenna and shielding connections should not have surface traces, ground planes, or exposed vias. figure 2-3 and figure 2-4 show the recommended mounting details for the rn41 and rn41n, respec- tively. for optimal radio performance, the rn41 mod- ules antenna end should protrude at least 31 mm beyond any metal enclosure. figure 2-5 shows examples of good, bad, and accept- able positioning of the rn41 on the host pcb. figure 2-1: rn41 recommended pcb footprint table 2-1: gpio5 status gpio5 status description toggle at 1 hz the module is discoverable and waiting for a connection. toggle at 10 hz the module is in command mode. high the module is connected to another device over bluetooth. table 2-2: gpio2 status gpio5 status description high the module is connected to another device over bluetooth. low the module is not connected over bluetooth. host pcbground plane edge shield pads x40.8 mm x 1.3 mm do not locate vias or signal traces under shield pads pp pp pp 7rs9lhz 'lphqvlrqvduhlqploolphwhuv downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 9 rn41/rn41n figure 2-2: rn41n recommended pcb footprint figure 2-3: rn41 module mounting details figure 2-4: rn41n module mounting details pp pp pp pp pp 'lphqvlrqvduhlqploolphwhuv 7rs9lhz top layer signal trace keep-out area shield pads x4 0.8 mm x 1.3 mm do not locate vias or signal traces under shield pads edge of ground plane keep area around antenna(approximately 31 mm) clear of metallic structures for best performance. pp pp 7rs9lhz 'lphqvlrqvduhlqploolphwhuv pp fp 7rs9lhz note: example u.fl connector layout downloaded from: http:///
rn41/rn41n ds50002280a-page 10 ? 2014 microchip technology inc. figure 2-5: rn41 host pcb example layout 2.5 external antenna types (rn41n) the rn41n modules antenna pin (pin 25) provides a 50-ohm impedance to external antennas. pin 25 can connect directly to a coaxial cable or to an antenna connector such as a u.fl or reverse polarity sma. the pcb trace from pin 25 to the coaxial cable or con- nector should be less than 0.2 inches (5 mm) for mini- mum loss and the best impedance match. if the pcb trace is longer, it should be a 50-ohm impedance microstrip trace. connect adjacent ground pins 24 and 26 to a low-impedance ground on the host pcb and the antenna connection. figure 2-4 gives example host pcb layout to a u.fl connector. modular certification of the rn41n module was per- formed with the external antenna types listed in table 2-3 . refer to section 3.0 regulatory approval for specific regulatory requirements by country. 2.6 hci mode microchip offers the host controller interface (hci) mode in addition to the standard operational mode of its bluetooth modules (standard mode refers to the on- board stack running on the module). in hci mode, the on-board stack is bypassed and the module is put in a state that runs the bluetooth base- band. the hci provides a command reference inter- face to the baseband controller and the link manager, and provides access to the hardware status and control registers. this interface provides a uniform method for accessing the bluetooth baseband capabilities. in this mode, the bluetooth stack is no longer on-board the module. it is offloaded to the interfacing host pro- cessor. the bluetooth module is used as a radio, per- forming the lower level mac functionalities, while the application stack runs on the host processor. using the module in hci mode enables designers to implement profiles that are not natively supported on the bluetooth module. no copper in these areas rn-41 okay rn-41 best rn-41 okay rn-41 okay table 2-3: tested external antenna types type gain (dbi) monopole 0.56 whip 8 yagi 15 note: hci mode is only available by ordering part rn41hci for uart interface; or rn41u for usb interface. downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 11 rn41/rn41n microchip offers hci mode in two hardware interfaces: hci over uart (rn41hci-i/rm) hci over usb (rn41u-i/rm) 2.6.1 hci over uart in this mode, the hardware interface between the host processor and the bluetooth module is the uart con- figured at 115.2 kbps. you must interface the flow con- trol signals between the host processor and the bluetooth module for the hci interface to work. failure to do so can cause the host processor and the blue- tooth module to become out of sync and break the bluetooth link. 2.6.2 hci over usb in this mode, the hardware interface between the host processor and the bluetooth module is the usb. in this architecture, the bluetooth module is the usb slave and the host processor is the usb host. using the usb interface offers the advantage of a faster data link between the bluetooth module and the host processor. with this architecture, it is possible to achieve bluetooths theoretical maximum throughput of 3 mpbs. 2.7 soldering recommendations the rn41/rn41n wireless module was assembled using standard lead-free reflow profile ipc/jedec j- std-020. the module can be soldered to the host pcb using standard leaded and lead-free solder reflow profiles. to avoid damaging the module, the following recom- mendations are given: microchip technology application note, an233 solder reflow recommendation (ds00233) pro- vides solder reflow recommendations do not exceed peak temperature (t p ) of 250 c refer to the solder paste data sheet for specific reflow profile recommendations use no-clean flux solder paste do not wash as moisture can be trapped under the shield use only one flow. if the pcb requires multiple flows, apply the module on the final flow. 2.8 spi interface the spi interface is primarily used for factory test and diagnostics. although not required, the spi interface is useful for restoring a corrupted flash image or enabling test modes required for certification testing. when module is installed in a final product that requires european type approval, see section 3.3 europe , it is recommended that the spi interface should be accessible via 6-pin header as shown in figure 2-6 . figure 2-6: optional spi interface 2.9 bluetooth sig qdid the rn41 has a qdid registered with the bluetooth sig. the manufacturer using the rn41 module in their end product can reference this qdid when filing an epl (end product listing) to use bluetooth ? brand and logo. please visit the bluetooth sig at www.bluetooth.org for more information. declaration id: b013180 qdid: 7786 downloaded from: http:///
rn41/rn41n ds50002280a-page 12 ? 2014 microchip technology inc. 2.10 application schematic figure 2-7 shows a example application circuit. this schematic is for the rn-41-ek development tool. refer to section 1.1 mcu interface for details on how to connect rn41/rn41n to a microcontroller. figure 2-7: typical application circuit tx d rx d gnd 1 spi _mosi 2 pi o6 3 pi o7 4 reset 5 spi _sck 6 pcm_cl k 7 pcm_sync 8 pcm_i n 9 pcm_out 10 vdd 11 gnd 12 uart_rx 13 uart_tx 14 uart_rts 15 uart_cts 16 usb_d+ 17 usb_d- 18 pi o2 19 pi o3 20 pi o5 21 pi o4 22 spi _cs# 23 spi _mi so 24 gnd 2 8 gnd 29 a io0 3 0 pi o8 31 pi o9 3 2 pi o10 33 pio1 1 34 aio1 35 sh ield 0 m1 rn41 module spi _mi so spi _mosi spi _sck spi _ss rt s ct s reset _n pi o6 pi o7 pi o4 pi o5 pi o3 pi o2 aio1 ai o0 pio11 pio10 pi o9 pio8 3.3v pcm_cl k pcm_sync pcm_out pcm_i n 100k r17 300k r18 100k r16 300k r15 v b 1 v b2 a io0 a io1 1 2 3 4 5 6 7 8 9 10 11 12 j1 header 1 1 2 3 4 5 6 7 8 9 10 11 12 j2 header 2 pi o6 pi o7 reset _n rx d tx d rt s ct s pi o4 pi o3 pi o2 pi o11 pi o10 pi o9 pi o8 3.3v vb1 vb2shdn d_nd_p txd rxdrts cts vbus reset 18 3v 3out 16 usbdp 14 usbdm 15 gnd 1 7 cbus2 10 cbus1 21 vc ci o 1 cbus3 11 cbus4 9 cbus0 22 gnd 20 ri 3 dcd 7 dsr 6 dtr 31 cts 8 rts 32 rxd 2 txd 30 vcc 19 osci 27 osco 28 agnd 24 test 2 6 gnd 4 thpad 33 ft232rq u3 100nf c6100nf c5 100nf c4 gnd 5 d+ 3 d- 2 vbus 1 mtab 6 usb mini b j4 3k3 r12 3k3 r13 3k3 r11 3k3 r14 vbus 3.3v vbus vi n 1 g nd 2 shdn 3 byp 4 vout 5 u1 tc1185 1uf c2 1uf c1 shdn 3k3 r1 12 3 4 s1 3k3 r10 3k3 r9 3k3 r8 3k3 r7 3.3v pi o4 pi o3 pi o6 pi o7 red led d2 activity pi o5 3.3v pi o8 green led d1 connection status 470 r2470 r3 downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 13 rn41/rn41n 3.0 regulatory approval this section outlines the regulatory information for the rn41/rn41n module for the following countries: united states canada europe australia new zealand 3.1 united states the rn41/rn41n module has received federal com- munications commission (fcc) cfr47 telecommuni- cations, part 15 subpart c intentional radiators modular approval in accordance with part 15.212 mod- ular transmitter approval. modular approval allows the end user to integrate the rn41/rn41n module into a finished product without obtaining subsequent and sep- arate fcc approvals for intentional radiation, provided no changes or modifications are made to the module circuitry. changes or modifications could void the users authority to operate the equipment. the end user must comply with all of the instructions provided by the grantee, which indicate installation and/or oper- ating conditions necessary for compliance. the finished product is required to comply with all appli- cable fcc equipment authorizations regulations, requirements and equipment functions not associated with the transmitter module portion. for example, com- pliance must be demonstrated to regulations for other transmitter components within the host product; to requirements for unintentional radiators (part 15 sub- part b unintentional radiators), such as digital devices, computer peripherals, radio receivers, etc.; and to additional authorization requirements for the non-transmitter functions on the transmitter module (i.e., verification, or declaration of conformity) (e.g., transmitter modules may also contain digital logic func- tions) as appropriate. 3.1.1 labeling and user information requirements the rn41/rn41n 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 word- ing as follows: rn41: contains transmitter module fcc id: t9jrn41-3 or contains fcc id: t9jrn41-3 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 rn41n: contains transmitter module fcc id: oa3-rn41n or contains fcc id: oa3-rn41n 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 downloaded from: http:///
rn41/rn41n ds50002280a-page 14 ? 2014 microchip technology inc. a users manual for the product should include the fol- lowing statement: additional information on labeling and user information requirements for part 15 devices can be found in kdb publication 784748 available at the fcc office of engi- neering and technology (oet) laboratory division knowledge database (kdb) https://apps.fcc.gov/oetcf/ kdb/index.cfm . 3.1.2 rf exposure all transmitters regulated by fcc must comply with rf exposure requirements. kdb 447498 general rf exposure guidance provides guidance in determining whether proposed or existing transmitting facilities, operations or devices comply with limits for human exposure to radio frequency (rf) fields adopted by the federal communications commission (fcc). from the rn41 fcc grant: modular approval. power output listed is conducted. the antenna(s) used for this device must be installed to provide a separation dis- tance of at least 20 cm from all persons, and must not be co-located or operating in conjunction with any other antenna or transmitter. this grant is valid only when the device is sold to oem integrators and the oem integra- tors are instructed to ensure that the end user has no manual instructions to remove or install the device. end users and installers must be provided with antenna installation instructions and transmitter operating con- ditions for satisfying rf exposure compliance. from the rn41n fcc grant: modular approval. power output listed is conducted. the antenna(s) used for this device must be installed to provide a separation dis- tance of at least 20 cm from all persons, and must not be co-located or operating in conjunction with any other antenna or transmitter. this grant is valid only when the device is sold to oem integrators and the oem integra- tors are instructed to ensure that the end user has no manual instructions to remove or install the device. end users and installers must be provided with antenna installation instructions and transmitter operating con- ditions for satisfying rf exposure compliance. if the rn41/rn41n module is used in a portable appli- cation (i.e., the antenna is less than 20 cm from per- sons during operation), the integrator is responsible for performing specific absorption rate (sar) testing in accordance with the guidance in kdb 447498. 3.1.3 approved external antenna types to maintain modular approval in the united states, only the antenna types that have been tested shall be used. it is permissible to use different antenna manufacturer provided the same antenna type and antenna gain (equal to or less than) is used. testing of the rn41n module was performed with the antenna types listed in table 2-3 . 3.1.4 helpful web sites federal communications commission (fcc): http:// www.fcc.gov fcc office of engineering and technology (oet) lab- oratory division knowledge database (kdb): https:// apps.fcc.gov/oetcf/kdb/index.cfm . 3.2 canada the rn41/rn41n module has been certified for use in canada under industry canada (ic) radio standards specification (rss) rss-210 and rssgen. modular approval permits the installation of a module in a host device without the need to recertify the device. 3.2.1 labeling and user information requirements labeling requirements for the host device (from sec- tion 3.2.1, rss-gen, issue 3, december 2010): the host device shall be properly labeled to identify the module within the host device. 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 equip- ment generates, uses and can radiate radio fre- quency 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 follow- ing 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 con- nected. consult the dealer or an experienced radio/tv technician for help. downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 15 rn41/rn41n 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 transmit- ter module, 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 license-exempt radio appara- tus shall contain the following or equivalent notice in a conspicuous location in the user manual or alterna- tively on the device or both: transmitter antenna (from section 7.1.2 rss-gen, issue 3, december 2010): user manuals for transmit- ters shall display the following notice in a conspicuous location: the above notice may be affixed to the device instead of displayed in the user manual. 3.2.2 rf exposure all transmitters regulated by ic must comply with rf exposure requirements listed in rss-102 - radio fre- quency (rf) exposure compliance of radiocommuni- cation apparatus (all frequency bands). 3.2.3 approved external antenna types transmitter antenna (from section 7.1.2 rss-gen, issue 3, december 2010): the rn41n module can only be sold or operated with antennas with which it was approved. transmitter may be approved with multiple antenna types. an antenna type comprises antennas having similar in-band and out-of-band radiation patterns. testing shall be per- formed using the highest gain antenna of each combi- nation of transmitter and antenna type for which approval is being sought, with the transmitter output power set at the maximum level. any antenna of the same type having equal or lesser gain as an antenna that had been successfully tested with the transmitter, will also be considered approved with the transmitter, and may be used and marketed with the transmitter. when a measurement at the antenna connector is used to determine rf output power, the effective gain of the device's antenna shall be stated, based on mea- surement or on data from the antenna manufacturer. for transmitters of output power greater than 10 milli- watts, the total antenna gain shall be added to the mea- sured rf output power to demonstrate compliance to the specified radiated power limits. approved external antenna types for the rn41n mod- ule are listed in tab l e 2 - 3 . 3.2.4 helpful web sites industry canada: http://www.ic.gc.ca/ 3.3 europe the rn41/rn41n module is an r&tte directive assessed radio module that is ce marked and has been manufactured and tested with the intention of being integrated into a final product. the rn41/rn41n module has been tested to r&tte directive 1999/5/ec essential requirements for health and safety (article (3.1(a)), electromagnetic compati- bility (emc) (article 3.1(b)), and radio (article 3.2) and are summarized in table 3-1: european compliance testing. a notified body opinion has also been issued. all test reports are available on the rn41/rn41n prod- uct web page at http://www.microchip.com . rn-41: contains transmitter module ic: 6514a-rn413 rn-41n: contains transmitter module ic: 7693a-rn41n this device complies with industry canada license- 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. le prsent appareil est conforme aux cnr d'indus- trie canada applicables aux appareils radio exempts de licence. l'exploitation est autorise aux deux con- ditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement. under industry canada regulations, this radio trans- mitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the trans- mitter by industry canada. to reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotrop- ically radiated power (e.i.r.p.) is not more than that necessary for successful communication. conformment la rglementation d'industrie can- ada, le prsent metteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou infrieur) approuv pour l'metteur par industrie can- ada. dans le but de rduire les risques de brouillage radiolectrique l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonne quivalente (p.i.r.e.) ne dpasse pas l'intensit ncessaire l'tablissement d'une communication satisfaisante. downloaded from: http:///
rn41/rn41n ds50002280a-page 16 ? 2014 microchip technology inc. the r&tte compliance association provides guid- ance on modular devices in document technical guidance note 01 available at http://www.rtteca.com/html/download_area.htm . 3.3.1 labeling and user information requirements the label on the final product which contains the rn41/ rn41n module must follow ce marking requirements. the r&tte compliance association technical guid- ance note 01 provides guidance on final product ce marking. 3.3.2 antenna requirements from r&tte compliance association document tech- nical guidance note 01 : provided the integrator installing an assessed radio module with an integral or specific antenna and installed in conformance with the radio mod- ule manufacturers installation instructions requires no further evaluation under article 3.2 of the r&tte directive and does not require fur- ther involvement of an r&tte directive notified body for the final product. [section 2.2.4] the european compliance testing listed in table 3-2 was performed using the antenna types listed in table 2-3 . 3.3.3 helpful web sites a document that can be used as a starting point in understanding the use of short range devices (srd) in europe is the european radio communications committee (erc) recommendation 70-03 e, which can be downloaded from the european radio commu- nications office (ero) at: http://www.ero.dk/ . additional helpful web sites are: radio and telecommunications terminal equip- ment (r&tte): http://ec.europa.eu/enterprise/rtte/index_en.htm european conference of postal and telecommu- nications administrations (cept): http://www.cept.org/ european telecommunications standards insti- tute (etsi): http://www.etsi.org european radio communications office (ero): http://www.ero.dk/ the radio and telecommunications terminal equipment compliance association (r&tte ca): http://www.rtteca.com/ note: to maintain conformance to the testing listed in table 3-1 , the module shall be installed in accordance with the installa- tion instructions in this data sheet and shall not be modified. when integrating a radio module into a completed product the integrator becomes the manufacturer of the final product and is therefore responsible for demonstrating compliance of the final product with the essential requirements of the r&tte directive. downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 17 rn41/rn41n table 3-1: rn41 european compliance testing table 3-2: rn41n european compliance testing 3.4 australia the australia radio regulations do not provide a modu- lar approval policy similar to the united states (fcc) and canada (ic). however, rn41/rn41n module rf transmitter test reports can be used in part to demon- strate compliance in accordance with acma radio communications short range devices standard 2004 (the short range devices standard calls up the as/nzs 4268:2008 industry standard). the rn41/ rn41n module test reports can be used as part of the product certification and compliance folder. for more information on the rf transmitter test reports, contact microchip technology australia sales office. to meet overall australian final product compliance, the developer must construct a compliance folder contain- ing all relevant compliance test reports e.g. rf, emc, electrical safety and doc (declaration of conformity) etc. it is the responsibility of the integrator to know what is required in the compliance folder for acma compli- ance. all test reports are available on the rn41/rn41n product web page at http://www.microchip.com . for more information on australia compliance, refer to the australian communications and media authority web site http://www.acma.gov.au/ . 3.4.1 external antenna requirements the compliance testing listed in tab le 3 -2 was per- formed using the antenna types listed in ta b l e 2 - 3 . 3.4.2 helpful web sites the australian communications and media authority: www.acma.gov.au/ . certification standards article laboratory report number date safety en 60950-1:2006+a11:2009+a1:2010+a12:2011 [3.1(a)] worldwide testing services (taiwan) co., ltd. w6r21301- 13005-l 2013-05-23 health en 62479:2010 w6r21301- 13005-62479 2013-10-03 emc en 301 489-1 v1.9.2 (2011-09) [3.1(b)] w6r21301- 13005-e-16 2013-09-09 en 301 489-17 v2.2.1 (2012-09) radio en 300 328 v1.8.1 (2012-06) (3.2) w6r21301- 13005-t-45 2013-10-03 notified body opinion eurofins product service gmbh u9m-1305- 2867-c-v01 2013-10-16 certification standards article laboratory report number date safety en 60950-1:2006+a11:2009+a1:2010+a12:2011 (3.1a) integrity ene lab inc. il121010950 2012-10-22 health en 62311:2008 worldwide testing ser- vices (tai- wan) co., ltd. w6m21209- 12744-62311 2012-11-12 emc en 301 489-1 v1.9.2 (2011-09) (3.1b) w6m21209- 12744-e-16 2012-11-12 en 301 489-17 v2.2.1 (2012-09) radio en 300 328 v1.7.1 (2006-10) (3.2) w6m21209- 12744-t-45 2012-11-12 notified body opinion eurofins product service gmbh u9m-1211- 2432-c 2012-11-23 downloaded from: http:///
rn41/rn41n ds50002280a-page 18 ? 2014 microchip technology inc. 3.5 new zealand the new zealand radio regulations do not provide a modular approval policy similar to the united states (fcc) and canada (ic). however, rn41/rn41n mod- ule rf transmitter test reports can be used in part to demonstrate compliance against the new zealand general user radio license for short range devices. new zealand radio communications (radio standards) notice 2010 calls up the as / nzs 4268:2008 industry standard. the rn41/rn41n mod- ule test reports can be used as part of the product cer- tification and compliance folder. all test reports are available on the rn41/rn41n product web page at http://www.microchip.com . for more information on the rf transmitter test reports, contact microchip technol- ogy sales office. information on the new zealand short range devices license can be found in the following web links: http://www.rsm.govt.nz/cms/licensees/types-oflicence/ general-user-licences/short-range-devices and http://www.rsm.govt.nz/cms/policy-and-planning/spec- trum-policy-overview/legislation/gazette-notices/prod- uct-compliance/radiocommunications-radiostandards- notice-2010 . to meet overall new zealand final product compliance, the developer must construct a compliance folder con- taining all relevant compliance test reports e.g. rf, emc, electrical safety and doc (declaration of confor- mity) etc. it is the responsibility of the developer to know what is required in the compliance folder for new zealand radio communications. for more information on new zealand compliance, refer to the web site http:/ /www.rsm.govt.nz/ . 3.5.1 external antenna requirements the compliance testing listed in table 3-2 was per- formed using the antenna types listed in ta bl e 2 - 3 . 3.5.2 helpful web sites radio spectrum ministry of economic development: http://www.rsm.govt.nz/ . downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 19 rn41/rn41n 4.0 ordering information table 4-1 provides ordering information for the rn41/rn41n module. note 1: for other configurations, contact microchip drectly. 2: when ordering the standard part number (customer part number without firmware version), the customer will receive the latest firmware version depending on production date and availability. it is highly recom- mended to order part number by specific firmware version to ensure receiving consistent firmware ve rsion. information on firmware versions can be found on the rn41/rn41n product web page and the bluetooth data module command reference and advanced information users guide . go to http://www.microchip.com for current pricing and a list of distributors carrying microchip products. table 4-1: orderi ng information part number (1) firmware (2) description rn41-i/rm latest production class 1, 2.1+edr, spp profile rn41-i/rm615 6.15 class 1, 2.1+edr, spp profile rn41-i/rm477 4.77 class 1, 2.1+edr, spp profile rn41hci-i/rm n/a class 1, 2.0+edr, hci over uart rn41u-i/rm n/a class 1, 2.0+edr, hci over usb rn41hid-i/rm 6.11 class 1, 2.1+edr, hid and spp profiles rn41apl-i/rm latest production class 1, 2.1+edr, spp and mfi profiles rn41apl-i/rm545 5.45 class 1, 2.1+edr, spp and mfi profiles rn41apl-i/rm543 5.43 class 1, 2.1+edr, spp and mfi profiles rn41n-i/rm latest production class 1, 2.1+edr, spp profile rn41n-i/rm615 6.15 class 1, 2.1+edr, spp profile rn41n-i/rm477 4.77 class 1, 2.1+edr, spp profile rn41napl-i/rm latest production class 1, 2.1+edr, spp and mfi profiles rn41napl-i/rm545 5.45 class 1, 2.1+edr, spp and mfi profiles rn41napl-i/rm543 5.43 class 1, 2.1+edr, spp and mfi profiles downloaded from: http:///
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? 2014 microchip technology inc. ds50002280a-page 21 rn41/rn41n appendix a: revision history revision a (august 2014) this is the initial released version of the document in the microchip format. this replaces roving networks rn41/rn41n data sheet. downloaded from: http:///
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? 2014 microchip technology inc. ds50002280a-page 23 rn41/rn41n 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 C data sheets and errata, application notes and sample programs, design resources, users guides and hardware support documents, latest software releases and archived software general technical support C frequently asked questions (faq), technical support requests, online discussion groups, microchip consultant program member listing business of microchip C 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 microchips 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 or representative local sales office field application engineer (fae) technical support 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 downloaded from: http:///
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? 2014 microchip technology inc. ds50002280a-page 25 rn41/rn41n product identification system to order or obtain information, e. g., on pricing or delivery, refer to the factory or the listed sales office . device: rn41 : uart, ceramic chip antenna rn41n : uart, external antenna rn41hci: hci over uart, ceramic chip antenna rn41u : hci over usb, ceramic chip antenna rn41apl: spp and mfi profiles, ceramic chip antenna temperature range: i = -40c to +85c package: * rm = radio module *all package offerings are pb free (lead free) examples: a) rn41-i/rm: ceramic chip antenna latest production firm- ware version b) rn41-i/rm615: ceramic chip antenna firmware version 6.15 c) rn41-i/rm477: ceramic chip antenna firmware version 4.77 d) rn41apl-i/rm: ceramic chip antenna latest production firmware version e) rn41apl-i/rm543: ceramic chip antenna firmware version 5.43 f) rn41hci-i/rm: ceramic chip antenna hci over uart part no. i rm package temperature range device xxx firmware revision number downloaded from: http:///
rn41/rn41n ds50002280a-page 26 ? 2014 microchip technology inc. notes: downloaded from: http:///
? 2014 microchip technology inc. ds50002280a-page 27 microchip received iso/ts-16949:2009 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 companys quality system processes and procedures are for its pic ? mcus and dspic ? dscs, k ee l oq ? code hopping devices, serial eeproms, microperipherals, nonvolatile memory and analog products. in addition, microchips quality system for the design and manufacture of development systems is iso 9001:2000 certified. quality management s ystem certified by dnv == iso/ts 16949 == 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 no 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 buyers 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. note the following details of the code protection feature on microchip devices: microchip products meet the specification cont ained 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 i n 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 microchips data sheets. most likely, the person doing so is engaged in theft of intellectual property. microchip is willing to work with the customer wh o 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 t he 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 microchips c ode protection feature may be a violation of the digital millennium copyright act. if such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that act. trademarks the microchip name and logo, the microchip logo, dspic, flashflex, flexpwr, jukeblox, k ee l oq , k ee l oq logo, kleer, lancheck, medialb, most, most logo, mplab, optolyzer, pic, picstart, pic 32 logo, righttouch, spynic, sst, sst logo, superflash and uni/o are registered trademarks of microchip technology incorporated in the u.s.a. and other countries. the embedded control solutions company and mtouch are registered trademarks of microc hip technology incorporated in the u.s.a. analog-for-the-digital age, bodycom, chipkit, chipkit logo, codeguard, dspicdem, dspicdem.net, ecan, in-circuit serial programming, icsp, inter-chip connectivity, kleernet, kleernet logo, miwi, mpasm, mpf, mplab certified logo, mplib, mplink, multitrak, netdetach, omniscient code generation, picdem, picdem.net, pickit, pictail, righttouch logo, real ice, sqi, serial quad i/o, total endurance, tsharc, usbcheck, varisense, viewspan, 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. gestic is a registered trademarks of microchip technology germany ii gmbh & co. kg, a subsidiary of microchip technology inc., in other countries. all other trademarks mentioned herein are property of their respective companies. ? 2014, microchip technology incorporated, printed in the u.s.a., all rights reserved. isbn: 978-1-63276-460-7 downloaded from: http:///
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