Users Manual

FCC ID: T9J-RN52

Users Manual

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FCCID_1937486

RN52-DS RN52 Bluetooth Audio Module Features: • Fully qualified Bluetooth® version 3.0 module, fully compatible with Bluetooth version 2.1+EDR, 1.2, and 1.1 • Software configurable through commands over UART console interface • Dedicated GPIO pins enable MCUs to access control and status functions efficiently • Postage-stamp-sized form factor, 13.5 x 26.0 x 2.7 mm • Embedded Bluetooth stack profiles: A2DP, AVRCP, HFP/HSP, and SPP • Dual-channel, differential audio input and output RN52 Block Diagram: for highest quality audio • Supports iAP profile to discover iOS devices and RN52 apps (requires a special firmware build) 2 LEDs PCB Antenna Speaker • Integrated amplifier for driving 16 Ω speakers • UART (SPP) data connection interfaces Bluetooth 3.0 • External audio CODECs supported via S/PDIF MIC RF Baseband and I2S interface Speaker • Castellated SMT pads for easy and reliable PCB mounting MIC Audio DSP UART • Environmentally friendly, RoHS compliant 16-Bit Stereo • Certifications: FCC, ICS, CE CODEC • Bluetooth SIG certified USB Applications: 11 GPIO I2S 16-Bit RISC MCU Pins • High-quality, 2-channel audio streaming • Wireless stereo headsets S/PDIF 16-MBit Flash 1 AIO • Automotive hands free audio • Wireless audio docking station for smartphones • Wireless speakers • Intercom push-to-talk audio connection • Remote control for media player • Medical devices • Computer accessories www.rovingnetworks.com Version 1.1 3/19/13 page 1 Advanced Information

RN52-DS 1.0 DEVICE OVERVIEW The RN52 module complies with Bluetooth specifica- tion version 3.0. It integrates RF, a baseband controller, etc., making it a complete Bluetooth subsystem. The Roving Network’s RN52 Bluetooth audio module pro- RN52 supports a variety of profiles including HSP/HFP, vides a highly integrated solution for delivering high- A2DP, AVRCP, SPP, and iAP. It provides a UART inter- quality stereo audio in a small form factor. It combines face, several user programmable I/O pins, stereo a class 2 Bluetooth radio with an embedded DSP pro- speaker outputs, microphone inputs, and a USB port. cessor. The module is programmed and controlled with a simple ASCII command language. Table 1-1 provides the general specifications for the module. Table 1-2 and Table 1-3 provide the module’s weight, dimensions, and electrical characteristics. TABLE 1-1: GENERAL SPECIFICATIONS Specification Description Standard Bluetooth 3.0, class 2 Frequency Band 2.4 ~ 2.48 GHz Modulation Method GFSK, PI/4-DQPSK, 8 DPSK Maximum Data Rate 3 Mbps RF Input Impedance 50 ohms Interface UART, GPIO, AIO, USB, SPI, speaker, microphone Operation Range 10 meters (33 feet) Sensitivity -85 dBm at 0.1 % BER RF TX Power 4 dBm TABLE 1-2: WEIGHT & DIMENSIONS Specification Description Dimensions 26.0 mm x 13.5 mm x 2.7 mm Weight 1.2 g TABLE 1-3: ELECTRICAL CHARACTERISTICS Specification Description Supply Voltage 3.0 ~ 3.6 V DC Working current Depends on profiles, 30 mA typical Standby current (disconnected) < 0.5 mA Temperature -40ºC to +85ºC ESD JESD22-A224 class 0 product Humidity 10% ~ 90% non-condensing Figure 1-1 shows the module’s dimensions and Figure 1-2 shows recommended landing pattern and layout. www.rovingnetworks.com Version 1.1 3/19/13 page 2 Advanced Information

RN52-DS FIGURE 1-1: MODULE DIMENSIONS (Top View) (Side View) 12.75 0.75 26.00 26.00 Dimensions are in millimeters Tolerances: 21.20 21.40 21.40 PCB Outline: +/- 0.13 mm 20.00 PCB Thickness: +/- 0.100 mm 18.80 17.60 16.40 15.20 14.00 12.80 11.60 10.40 9.20 8.00 6.80 5.60 4.40 3.20 2.00 0.70 0.0 0.00 0.00 0.85 2.55 3.75 4.95 6.15 7.35 8.55 9.75 2.70 0.80 0.00 10.95 12.65 13.50 FIGURE 1-2: RECOMMENDED PCB FOOTPRINT (Top View) 10.25 3.25 4.65 6.05 7.45 8.85 0.8mm 1.6mm 26.00 21.20 21.40 Host Ground Plane Edge 20.00 20.70 (See Mounting Details) 18.80 17.60 16.40 15.20 Ground Pads 14.00 0.8 x 1.0 mm 12.80 11.60 10.40 0.80mm 9.20 8.00 6.80 5.60 4.40 3.20 2.00 0.0 0.00 0.85 2.55 3.75 4.95 6.15 7.35 8.55 9.75 10.95 12.65 13.50 Dimensions are in millimeters www.rovingnetworks.com Version 1.1 3/19/13 page 3 Advanced Information

RN52-DS Figure 1-3 shows the pinout and Table 1-4 describes the module’s pins. FIGURE 1-3: PIN DIAGRAM 50 49 48 47 46 45 GND GND GND GND GND GND 1 GND GND 44 2 GPIO3 SPKR_L+ 43 3 GPIO2 SPKR_R+ 42 4 AICO0 SPKR_L- 41 5 GPIO4 SPKR_R- 40 6 GPIO5 AGND 39 7 GPIO12 MIC_R- 38 8 GPIO13 MIC_L- 37 9 GPIO11 RN52 MIC_R+ 36 10 GPIO10 Top View MIC_L+ 35 11 GPIO9 MIC_BIAS 34 12 USBD- LED0 33 13 USBD+ LED1 32 14 UART_RTS SPI_MOSI 31 15 UART_CTS SPI_SCK 30 16 UART_TX SPI_MISO 29 PCM_SYNC 17 UART_RX SPI_SS 28 PCM_OUT PCM_CLK PCM_IN PWREN GPIO7 GPIO6 GND GND VDD 18 19 20 21 22 23 24 25 26 27 TABLE 1-4: PIN DESCRIPTION (PART 1 OF 3) Note 1 Pin Symbol I/O Type Description Direction Default 1 GND Ground. Ground. 2 GPIO3 Bidirectional with program- This pin enters device firmware update (DFU) Input Low mable strength internal mode at bootup if a USB device powers VBUS. pull-up/down. GPIO3 requires 47 kΩ to ground and 22 kΩ to the USB VBUS signal if the USB VBUS is supply- ing power to the main board. 3 GPIO2 Bidirectional with program- Reserved, event register. Toggles from high to Output High mable strength internal low for 100 ms to indicate that the module’s state pull-up/down. has changed. A microcontroller can enter com- mand mode and poll the state register using the Q action command. 4 AIO0 Bidirectional. Analog programmable input/output line. I/O 5 GPIO4 Bidirectional with program- Factory reset mode. To reset the module to the Input Low mable strength internal factory defaults, GPIO4 should be high on pull-up/down. power-up and then toggle low, high, low, high with a 1 second wait between the transitions. www.rovingnetworks.com Version 1.1 3/19/13 page 4 Advanced Information

RN52-DS TABLE 1-4: PIN DESCRIPTION (PART 2 OF 3) Note 1 Pin Symbol I/O Type Description Direction Default 6 GPIO5 Bidirectional with program- Programmable I/O. I/O High mable strength internal pull-up/down. 7 GPIO12 Bidirectional with program- Programmable I/O. I/O High mable strength internal pull-up/down. 8 GPIO13 Bidirectional with program- Programmable I/O. I/O High mable strength internal pull-up/down. 9 GPIO11 Bidirectional with program- Programmable I/O. I/O High mable strength internal pull-up/down. 10 GPIO10 Bidirectional with program- Programmable I/O. I/O High mable strength internal pull-up/down. 11 GPIO9 Bidirectional with program- When you drive this signal low, the module’s Input High mable strength internal UART goes into command mode. If this signal pull-up/down. floats high, the UART is in data mode. Reserved. Not available for use at runtime. 12 USBD- Bidirectional. USB data minus. I/O 13 USBD+ Bidirectional. USB data plus with selectable internal 1.5-Kohm I/O pull-up resistor. 14 UART_RTS CMOS output, tri-state, with UART request to send active low. Output weak internal pull-up. 15 UART_CTS CMOS input with weak UART clear to send active low. Input internal pull-down. 16 UART_TX CMOS output, tri-state, with UART data output. Output weak internal pull-up. 17 UART_RX CMOS input with weak UART data input. Input internal pull-down. 18 GND Ground. Ground. 19 GPIO7 Bidirectional with program- Driving this pin low sets the UART baud rate to I/O High mable strength internal 9,600. By default the pin is high with a baud rate pull-up/down. of 115,200. 20 GPIO6 Bidirectional with program- Programmable I/O. I/O High mable strength internal pull-up/down. 21 PWREN Analog. Pull high to power up RN52. 22 VDD 3.3-V power input. 3.3v power input. 23 PCM_IN CMOS input, with weak Synchronous data input, configurable for Input internal pull down. SPDIF_IN or SD_IN (I2S). 24 PCM_OUT CMOS input, with weak Synchronous data input, configurable for Input internal pull down. SPDIF_OUT or SD_OUT (I2S). 25 PCM_SYNC Bidirectional with weak Synchronous data sync; WS (I2S). I/O internal pull down. 26 PCM_CLK CMOS input, with weak Synchronous data clock; SCK (I2S). Input internal pull down. www.rovingnetworks.com Version 1.1 3/19/13 page 5 Advanced Information

RN52-DS TABLE 1-4: PIN DESCRIPTION (PART 3 OF 3) Note 1 Pin Symbol I/O Type Description Direction Default 27 GND Ground. Ground. 28 SPI_SS CMOS input with weak Chip select for Synchronous Serial Interface Input internal pull-up. active low. 29 SPI_MISO CMOS output, tri-state, with Serial Peripheral Interface (SPI) output. Output weak internal pull-down. 30 SPI_CLK Input with weak internal SPI clock. Input pull-down. 31 SPI_MOSI CMOS input, with weak SPI input. Input internal pull-down. 32 LED1 Open drain output. Drives an LED. For the RN-52-EK board, this Output signal drives the red LED. 33 LED0 Open drain output. Drives an LED. For the RN-52-EK board, this Output signal drives the blue LED. 34 MIC_BIAS Analog. Microphone bias. Output 35 MIC_L+ Analog. Microphone input positive, left. Output 36 MIC_R+ Analog. Microphone input positive, right. Output 37 MIC_L- Analog. Microphone input negative, left. Output 38 MIC_R- Analog. Microphone input negative, right. Output 39 AGND Analog. Ground connection for audio. 40 SPK_R- Analog. Speaker output negative (right side). Output 41 SPK_L- Analog. Speaker output negative (left side). Output 42 SPK_R+ Analog. Speaker output positive (right side). Output 43 SPK_L+ Analog. Speaker output positive (left side). Output 44 GND Ground. Ground. 45 GND Ground. RF ground. 46 GND Ground. RF ground. 47 GND Ground. RF ground. 48 GND Ground. RF ground. 49 GND Ground. RF ground. 50 GND Ground. RF ground. Note 1: All GPIO pins default to input with weak pull-down. 1.1 Audio Interface Circuit 1.1.1 STEREO AUDIO CODEC Description INTERFACE The RN52 audio interface circuit consists of: The stereo audio CODEC interface has stereo and mono analog input/output for voice and audio bands. It • Stereo audio CODEC supports the IEC-60958 stereo digital audio bus stan- • Dual audio inputs and dual outputs dards, e.g., S/PDIF and AES3/EBU. • Configurable S/PDIF and I2S interface The built-in CODEC uses a fully differential architecture The audio input circuitry has a dual audio input that can in the analog signal path, which results in low noise be configured as single-ended or fully differential and sensitivity and good power supply rejection while effec- programmed for microphone or line input. It has an tively doubling the signal amplitude. It operates from a analog and digital programmable gain stage so that it 1.5 V single power supply and uses a minimum of can be optimized for different microphones. See external components. See Figure 1-5. Figure 1-4. www.rovingnetworks.com Version 1.1 3/19/13 page 6 Advanced Information

RN52-DS FIGURE 1-4: RN52 AUDIO INTERFACE BLOCK DIAGRAM RN52 System Mainboard SPK_L+ SPK_L- Audio PA SPK_R+ SPK_R- S/PDIF & I2S MIC_L+ MIC_L- MIC & Bias MIC_R+ MIC_R- MIC_BIAS FIGURE 1-5: STEREO CODEC AUDIO INPUT/OUTPUT STAGES Input RN52 Amplifier MIC_L+ ΣΔ-ADC MIC_L- Output Amplifier SPK_L+ LP Filter DAC SPK_L- Input Digital Amplifier Circuitry MIC_R+ ΣΔ-ADC MIC_R- Output Amplifier SPK_R+ LP Filter DAC SPK_R- www.rovingnetworks.com Version 1.1 3/19/13 page 7 Advanced Information

RN52-DS 1.1.2 ANALOG-TO-DIGITAL CONVERTER • 22.05 kHz (ADC) • 24 kHz The ADC consists of two second-order sigma delta • 32 kHz (SD) converters, resulting in two separate channels • 44.1 kHz with identical functionality. Each ADC supports the fol- The ADC analog amplifier is a two-stage amplifier. The lowing sample rates: first stage selects the correct gain for either micro- • 8 kHz phone or line input. See Figure 1-6. • 11.025 kHz • 16 kHz FIGURE 1-6: ADC ANALOG AMPLIFIER BLOCK DIAGRAM Bypass or 24-dB Gain -3 to 18 dB Gain P – – P N + + N Line Mode/Microphone Mode Gain 0:7 Microphone Mode Input Impedance = 6 kΩ Line Mode Input Impedance = 6 kΩ to 30 kΩ 1.1.3 DIGITAL-TO-ANALOG CONVERTER 1.1.4 MICROPHONE INPUT (DAC) The RN52 audio input is intended for use from 1 μA at The DAC consists of two third-order SD converters, 94 dB SPL to about 10 μA at 94 dB SPL, which requires resulting in two separate channels with identical func- microphones with sensitivity between –40 and –60 tionality. Each DAC supports the following sample dBV. MIC_BIAS requires a minimum load to maintain rates: regulation. MIC_BIAS maintains regulation within 0.199 and 1.229 mA. Therefore, if you use a micro- • 8 kHz phone with specifications below these limits, the micro- • 11.025 kHz phone output must be pre-loaded with a large value • 16 kHz resistor to ground. • 22.05 kHz • 24 kHz • 32 kHz • 44.1 kHz www.rovingnetworks.com Version 1.1 3/19/13 page 8 Advanced Information

RN52-DS 2.0 APPLICATIONS 2.1 Minimizing Radio Interference When laying out the host PCB for the RN52 module, The following sections provide information on design- the areas under the antenna and shielding connections ing with the RN52 module, including restoring factory should not have surface traces, ground planes, or defaults, using the LED interface, minimizing radio exposed via (see Figure 2-1). For optimal radio perfor- interference, solder reflow profile, typical application, mance, the RN52 module’s antenna end should pro- etc. trude at least 31 mm beyond any metal enclosure. Figure 2-2 shows examples of good, bad, and accept- able positioning of the RN52 on the host PCB. FIGURE 2-1: MINIMIZING RADIO INTERFERENCE (Top View) Keep area around antenna (approximately 31 mm) clear 31 mm of metallic structures for best performance 31 mm Edge of Ground Plain 4.6 mm 21.4 mm Dimensions are in millimeters FIGURE 2-2: PCB EXAMPLE LAYOUT RN52 Good RN52 RN52 RN52 Acceptable Bad Acceptable www.rovingnetworks.com Version 1.1 3/19/13 page 9 Advanced Information

RN52-DS 2.2 LED Interface 2.3 Device Firmware Updates The RN52 includes two pads dedicated to driving the The module has a device firmware update (DFU) mode LED indicators. The firmware can control both termi- in which you use the USB interface to update the firm- nals, and the battery charger can set LED0. The termi- ware. ImplementingImplementing the DFU feature is nals are open-drain outputs; therefore, the LED must recommended highly because firmware updates offer be connected from a positive supply rail to the pad in new features and enhance the module’s functionality. series with a current limiting resistor. You should oper- Follow the reference design shown in Figure 2-7 to ate the LED pad (LED0 or LED1 pins) with a pad volt- support this mode. age below 0.5 V. In this case, the pad can be thought of Note: A 47 KΩ pull-down resistor (R2 in as a resistor, RON. The resistance—together with the Figure 2-4) is required on GPIO3 even if external series resistor—sets the current, ILED, in the you do not use the USB for DFU. LED. The current is also dependent on the external voltage, VDD, as shown in Figure 2-3. FIGURE 2-4: USB DFU PORT & GPIO3 FIGURE 2-3: LED INTERFACE SCHEMATIC VDD VBUS C4 D1 (3.3V) LED Forward 10nF Voltage, VF GPIO3 R1 MBR120 22k J2 |LED 1 VBUS USBD- 2 D- RLED Resistor Voltage USBD+ 3 6 D+ MTAB LED0 or Drop, VR 5 LED1 R2 GND 47k USB Mini B Connector (JAE DX2R005HN2E700) Pad Voltage, VPAD RON = 20 Ω 2.4 Restore Factory Defaults with GPIO4 The LEDs can be used to indicate the module’s con- nection status. Table 2-1 describes the LED functions. You should connect the GPIO4 pin to a switch, jumper, or resistor so it can be accessed. You can use this pin TABLE 2-1: STATUS LED FUNCTIONS to reset the module to its factory default settings, which Blue LED Red LED Description is critical in situations where the module has been mis- configured. To reset the module to the factory defaults, Flashing Flashing The RN52 module is discover- GPIO4 should be high on power-up and then toggle able. low, high, low, high with a 1 second wait between the Off Flashing The module is connected. transitions. Flashing Off The module is connectable. www.rovingnetworks.com Version 1.1 3/19/13 page 10 Advanced Information

RN52-DS 2.5 Solder Reflow Profile To reflow solder the module onto a PCB, use an RoHS- compliant solder paste equivalent to NIHON ALMIT The lead-free solder reflow temperature and times are: paste or OMNIX OM-310 solder paste from Alpha met- • Temperature—230° C, 60 seconds maximum, als. See Table 2-2. peak 245° C maximum Note: Use no-clean flux and DO NOT water • Preheat temperature—165° ± 15° C, 90 to 120 wash seconds • Time—Single pass, one time TABLE 2-2: PASTE SOLDER RECOMMENDATIONS Manufacturer Alpha Metals NIHON ALMIT Co. LTD http://www.alphametals.com http://almit.co.jp Part Number OMNIX OM-310 LFM-70W INP Metal Composition SAC305 (96.5% Sn, 3% Ag, 0.5% Cu) 88% Sn, 3.5% Ag, 0.5% Bi, 8% In Liquidus Temperature ~220°C ~215°C Figure 2-5 and Figure 2-6 show the solder reflow tem- perature profiles. FIGURE 2-5: SOLDER REFLOW TEMPERATURE PROFILE www.rovingnetworks.com Version 1.1 3/19/13 page 11 Advanced Information

RN52-DS FIGURE 2-6: SOLDER REFLOW CURVE www.rovingnetworks.com Version 1.1 3/19/13 page 12 Advanced Information

2.6 FIGURE 2-7: C4 www.rovingnetworks.com 3.3V D1 VBUS VBUS J11 10nF R1 1 R14 PI O3 MBR120 2 switches, and LED0/LED1. 22k J2 47k 1 Battery R8 R9 VBUS USBD- 2 VBUS 47R 470 D- USBD+ 3 6 D+ MTAB Device 5 C21 C15 C16 R2 GND R15 10uF 100nF Firmware SPKR_L - C20 47k Update 22k 10 D3 D2 USB Mini B / RSVD USB C22 1uF L ED0 SPKR_L + R17 100uF Blue LED Red LED SPKR_R- MI C_L + 2 V DD 1 2 22k IN1- C23 L ED1 SPKR_L - MI C_R+ 1uF 1 3 4 R16 Vo1 SPKR_R+ MI C_L - 3 5 6 IN1+ 100uF Wake SPKR_L + MI C_R- 47k 7 8 3.3V MI C_BI AS C18 1J9 9 10 4 6 2 BYPASS SHUTDOWN PCM_IN S5 J7 5 1uF 3 PCM_OUT VBUS R11 7 C17 4 IN2+ PWREN UART_TX 47k 9 1 2 Vo2 PCM_SYNC UART_RX AI O0 C14 8 Headphones REMOTE CONTROL 3 4 R13 IN2- 100uF PI O6 PI O9 SPKR_R+ 5 6 GND PA D PCM_CL K PCM_I N 22k C19 5 7 8 Typical Application Schematic 11 PI O7 PCM_OUT 1uF C13 9 10 R12 3.3V PCM_SYNC SPKR_R- U4 11 12 100uF PCM_CL K 22k TPA6112 13 14 1uF M1 15 16 3.3V RN52 Module 27 26 25 24 23 22 21 20 19 18 J3 Figure 2-7 shows a typical application circuit with LDO, stereo audio/microphone PA, USB/UART, AVRCP 1 EXT Connector PI O2 2 R10 PI O4 GND V DD GND 3 GPIO6 GPIO7 SPI _SS 28 17 UART_RX BTN_VOLUP PWR E N 47k PCM_IN SPI _SS UART_RX 4 BTN_NEXT C3 PCM_CL K PCM_OUT 5 PCM_SY NC SPI _MI SO 29 16 UART_TX BTN_PLAY SPI_MISO UART_TX 6 MI CL BTN_PREVI OUS 7 100nF SPI _SCK 30 15 UART_CTS MI C_L BTN_VOLDOWN VBUS SPI_SCK UART_CTS 1 8 PI O7 C2 C1 2 9 SPI _MOSI 31 14 UART_RTS PI O6 SPI_MOSI UART_RTS 10 J8 PWREN 11 100nF 100nF L ED1 32 13 USBD+ MI CR L ED1 USBD+ 3.3V 12 MI C_R 1 19 1 16 L ED0 33 12 USBD- J10 VBUS L ED0 USBD- 2 MI C_BI AS U1 Version 1.1 3/19/13 V CC MI C_BI AS 34 11 PI O9 J6 4J5 UART_RX R70 2k2 30 FT232RQ Advanced Information MIC_BIAS GPIO9 TXD V CCIO C8 C9 C12 R6 R7 3 UART_TX 2 3V 3OUT 47nF 47nF 1uF 2k2 2k2 RXD MI C_L + 35 10 BTN_VOL DOWN MI C_L + 5 UART_CTS 32 J1 MIC_L+ GPIO10 RTS MI C_R+ 2 UART_RTS 8 15 1 CTS USBDM VBUS MI C_R+ 36 9 BTN_PREVI OUS 1 31 2 MIC_R+ GPIO11 DTR D- C10 Mic 6 3 6 DSR D+ MTAB MI C_L - 37 8 BTN_PLAY MI C_L - MI C_L 7 14 MIC_L- GPIO13 DCD USBDP C11 3 5 47nF RI GND MI C_R- 38 7 BTN_NEXT MI C_R- MI C_R MIC_R- GPIO12 18 USB Mini B / CSR UART 47nF RESET 39 6 BTN_VOL UP TC1262- 3.3V U2 22 AGND GPIO5 CBUS0 VBUS 3.3V 21 CBUS1 SPKR_R- 40 5 PI O4 Vol Up 1 3 10 27 SPKR_R- GPIO4 Vin Vout CBUS2 OSCI 11 CBUS3 SPKR_L - 41 4 AI O0 BTN_VOL UP 9 SPKR_L- AIO0 CBUS4 GND T ab S4 Vol Down C6 C7 28 2 4 1uF 1uF OSCO SPKR_R+ 42 3 PI O2 SPKR_R+ GPIO2 GND GND GND A GND T HPA D T E ST BTN_VOL DOWN 4 20 17 24 33 26 SPKR_L + 43 2 PI O3 Play / Pause S2 SPKR_L + GPIO3 BTN_PL AY S3 Next J4 44 1 SPI _MI SO GND GND 1 BTN_NEXT SPI _MOSI 2 Prev S6 SPI _SCK 3 GND GND GND GND GND GND SPI _SS 4 BTN_PREVI OUS 45 46 47 48 49 50 3.3V 5 S1 6 SPI MASTER TYPICAL APPLICATION CIRCUIT FOR A2DP AUDIO STREAMING & AVRCP RN52-DS page 13

RN52-DS 3.0 REGULATORY APPROVAL installed must also display a label referring to the enclosed module. This exterior label can use wording as follows: This section outlines the regulatory information for the RN52 module for the following countries: Contains Transmitter Module FCC ID: T9J-RN52 • United States or • Canada • Europe Contains FCC ID: T9J-RN52 • Australia • New Zealand 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, 3.1 United States and (2) this device must accept any interference The RN52 module has received Federal Communica- received, including interference that may cause tions Commission (FCC) CFR47 Telecommunications, undesired operation Part 15 Subpart C “Intentional Radiators” modular A user’s manual for the product should include the fol- approval in accordance with Part 15.212 Modular lowing statement: Transmitter approval. Modular approval allows the end user to integrate the RN52 module into a finished prod- This equipment has been tested and found to comply uct without obtaining subsequent and separate FCC with the limits for a Class B digital device, pursuant to approvals for intentional radiation, provided no part 15 of the FCC Rules. These limits are designed changes or modifications are made to the module cir- to provide reasonable protection against harmful cuitry. Changes or modifications could void the user’s interference in a residential installation. This equip- authority to operate the equipment. The end user must ment generates, uses and can radiate radio fre- comply with all of the instructions provided by the quency energy, and if not installed and used in Grantee, which indicate installation and/or operating accordance with the instructions, may cause harmful conditions necessary for compliance. interference to radio communications. However, there is no guarantee that interference will not occur The finished product is required to comply with all appli- in a particular installation. If this equipment does cable FCC equipment authorizations regulations, cause harmful interference to radio or television requirements and equipment functions not associated reception, which can be determined by turning the with the transmitter module portion. For example, com- equipment off and on, the user is encouraged to try to pliance must be demonstrated to regulations for other correct the interference by one or more of the follow- transmitter components within the host product; to ing measures: requirements for unintentional radiators (Part 15 Sub- part B “Unintentional Radiators”), such as digital • Reorient or relocate the receiving antenna. devices, computer peripherals, radio receivers, etc.; • Increase the separation between the equipment and to additional authorization requirements for the and receiver. non-transmitter functions on the transmitter module • Connect the equipment into an outlet on a circuit (i.e., Verification, or Declaration of Conformity) (e.g., different from that to which the receiver is con- transmitter modules may also contain digital logic func- nected. tions) as appropriate. • Consult the dealer or an experienced radio/TV technician for help. 3.1.1 LABELING AND USER INFORMATION REQUIREMENTS Additional information on labeling and user information requirements for Part 15 devices can be found in KDB The RN52 module has been labeled with its own FCC Publication 784748 available at the FCC Office of Engi- ID number, and if the FCC ID is not visible when the neering and Technology (OET) Laboratory Division module is installed inside another device, then the out- Knowledge Database (KDB) http://apps.fcc.gov/oetcf/ side of the finished product into which the module is kdb/index.cfm. 3.1.2 RF EXPOSURE All transmitters regulated by FCC must comply with RF exposure requirements. OET Bulletin 65, Evaluating Compliance with FCC Guidelines for Human Exposure www.rovingnetworks.com Version 1.1 3/19/13 page 14 Advanced Information

RN52-DS to Radio Frequency Electromagnetic Fields, provides The Industry Canada certification label of a module assistance in determining whether proposed or existing shall be clearly visible at all times when installed in the transmitting facilities, operations or devices comply host device, otherwise the host device must be labeled with limits for human exposure to Radio Frequency to display the Industry Canada certification number of (RF) fields adopted by the Federal Communications the module, preceded by the words “Contains transmit- Commission (FCC). The bulletin offers guidelines and ter module”, or the word “Contains”, or similar wording suggestions for evaluating compliance. expressing the same meaning, as follows: If appropriate, compliance with exposure guidelines for Contains transmitter module IC: 6514A-RN52 mobile and unlicensed devices can be accomplished by the use of warning labels and by providing users User Manual Notice for License-Exempt Radio Appara- with information concerning minimum separation dis- tus (from Section 7.1.3 RSS-Gen, Issue 3, December tances from transmitting structures and proper installa- 2010): User manuals for license-exempt radio appara- tion of antennas. tus shall contain the following or equivalent notice in a conspicuous location in the user manual or alterna- The following statement must be included as a CAU- tively on the device or both: TION statement in manuals and OEM products to alert users of FCC RF exposure compliance: This device complies with Industry Canada license- exempt RSS standard(s). Operation is subject to the To satisfy FCC RF Exposure requirements for mobile following two conditions: (1) this device may not and base station transmission devices, a separation cause interference, and (2) this device must accept distance of 20 cm or more should be maintained any interference, including interference that may between the antenna of this device and persons dur- cause undesired operation of the device. ing operation. To ensure compliance, operation at closer than this distance is not recommended. Le présent appareil est conforme aux CNR d'Indust- rie Canada applicables aux appareils radio exempts The antenna(s) used for this transmitter must not be de licence. L'exploitation est autorisée aux deux con- co-located or operating in conjunction with any other ditions suivantes: (1) l'appareil ne doit pas produire antenna or transmitter. de brouillage, et (2) l'utilisateur de l'appareil doit If the RN52 module is used in a portable application accepter tout brouillage radioélectrique subi, même (i.e., the antenna is less than 20 cm from persons dur- si le brouillage est susceptible d'en compromettre le ing operation), the integrator is responsible for perform- fonctionnement. ing Specific Absorption Rate (SAR) testing in Transmitter Antenna (from Section 7.1.2 RSS-Gen, accordance with FCC rules 2.1091. Issue 3, December 2010): User manuals for transmit- ters shall display the following notice in a conspicuous 3.1.3 HELPFUL WEB SITES location: Federal Communications Commission (FCC): Under Industry Canada regulations, this radio trans- http://www.fcc.gov mitter may only operate using an antenna of a type FCC Office of Engineering and Technology (OET) Lab- and maximum (or lesser) gain approved for the trans- oratory Division Knowledge Database (KDB): mitter by Industry Canada. To reduce potential radio http://apps.fcc.gov/oetcf/kdb/index.cfm interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropi- 3.2 Canada cally radiated power (e.i.r.p.) is not more than that necessary for successful communication. The RN52 module has been certified for use in Canada under Industry Canada (IC) Radio Standards Specifica- Conformément à la réglementation d'Industrie Can- tion (RSS) RSS-210 and RSSGen. Modular approval ada, le présent émetteur radio peut fonctionner avec permits the installation of a module in a host device une antenne d'un type et d'un gain maximal (ou without the need to recertify the device. inférieur) approuvé pour l'émetteur par Industrie Can- ada. Dans le but de réduire les risques de brouillage 3.2.1 LABELING AND USER radioélectrique à l'intention des autres utilisateurs, il INFORMATION REQUIREMENTS faut choisir le type d'antenne et son gain de sorte Labeling Requirements for the Host Device (from Sec- que la puissance isotrope rayonnée équivalente tion 3.2.1, RSS-Gen, Issue 3, December 2010): The (p.i.r.e.) ne dépasse pas l'intensité nécessaire à host device shall be properly labeled to identify the l'établissement d'une communication satisfaisante. module within the host device. www.rovingnetworks.com Version 1.1 3/19/13 page 15 Advanced Information

RN52-DS The above notice may be affixed to the device instead 3.3.2 ANTENNA REQUIREMENTS of displayed in the user manual. From R&TTE Compliance Association document Tech- nical Guidance Note 01: 3.2.2 HELPFUL WEB SITES Provided the integrator installing an assessed Industry Canada: http://www.ic.gc.ca/ radio module with an integral or specific antenna and installed in conformance with the radio mod- 3.3 Europe ule manufacturer’s installation instructions The RN52 module is an R&TTE Directive assessed requires no further evaluation under Article 3.2 radio module that is CE marked and has been manu- of the R&TTE Directive and does not require fur- factured and tested with the intention of being inte- ther involvement of an R&TTE Directive Notified grated into a final product. Body for the final product. [Section 2.2.4] The RN52 module has been tested to R&TTE Directive 3.3.3 HELPFUL WEB SITES 1999/5/EC Essential Requirements for Health and Safety (Article (3.1(a)), Electromagnetic Compatibility A document that can be used as a starting point in (EMC) (Article 3.1(b)), and Radio (Article 3.2) and are understanding the use of Short Range Devices (SRD) summarized in Table 3-1: European Compliance Test- in Europe is the European Radio Communications ing. A Notified Body Opinion has also been issued. All Committee (ERC) Recommendation 70-03 E, which test reports are available on the RN52 product web can be downloaded from the European Radio Commu- page at http://www.microchip.com. nications Office (ERO) at: http://www.ero.dk/. The R&TTE Compliance Association provides guid- Additional helpful web sites are: ance on modular devices in document Technical Guid- • Radio and Telecommunications Terminal Equip- ance Note 01 available at http://www.rtteca.com/html/ ment (R&TTE): download_area.htm. http://ec.europa.eu/enterprise/rtte/index_en.htm Note: To maintain conformance to the testing • European Conference of Postal and Telecommu- listed in Table 3-1, the module shall be nications Administrations (CEPT): installed in accordance with the installa- http://www.cept.org tion instructions in this data sheet and • European Telecommunications Standards Insti- shall not be modified. tute (ETSI): http://www.etsi.org When integrating a radio module into a • European Radio Communications Office (ERO): completed product the integrator http://www.ero.dk becomes the manufacturer of the final • The Radio and Telecommunications Terminal product and is therefore responsible for Equipment Compliance Association (R&TTE CA): demonstrating compliance of the final http://www.rtteca.com/ product with the essential requirements of the R&TTE Directive. 3.3.1 LABELING AND USER INFORMATION REQUIREMENTS The label on the final product which contains the RN52 module must follow CE marking requirements. The R&TTE Compliance Association Technical Guidance Note 01 provides guidance on final product CE mark- ing. www.rovingnetworks.com Version 1.1 3/19/13 page 16 Advanced Information

RN52-DS TABLE 3-1: EUROPEAN COMPLIANCE TESTING Certification Standards Article Laboratory Report Number Date Safety EN 60950-1:2006+A11:2009+A1:2010 (3.1(a)) Health EN 50371:2002-03 EMC EN 301 489-1 V1.8.1 (2008-04) (3.1(b)) EN 301 489-17 V2.1.1 (2009-05) Radio EN 300 328 V1.7.1 (2006-10) (3.2) Notified Body Opinion DoC 3.4 Australia as part of the product certification and compliance folder. All test reports are available on the RN52 prod- The Australia radio regulations do not provide a modu- uct web page at http://www.microchip.com. For more lar approval policy similar to the United States (FCC) information on the RF transmitter test reports, contact and Canada (IC). However, RN52 module RF transmit- Microchip Technology sales office. ter test reports can be used in part to demonstrate com- pliance in accordance with ACMA Radio Information on the New Zealand short range devices communications “Short Range Devices” Standard license can be found in the following web links: 2004 (The Short Range Devices standard calls up the http://www.rsm.govt.nz/cms/licensees/types-ofli- AS/NZS 4268:2008 industry standard). The RN52 cence/general-user-licences/short-range-devices module test reports can be used as part of the product and certification and compliance folder. For more informa- tion on the RF transmitter test reports, contact Micro- http://www.rsm.govt.nz/cms/policy-and-planning/spec- chip Technology Australia sales office. trum-policy-overview/legislation/gazette-notices/prod- uct-compliance/radiocommunications-radiostandards- To meet overall Australian final product compliance, the notice-2010. developer must construct a compliance folder contain- ing all relevant compliance test reports e.g. RF, EMC, To meet overall New Zealand final product compliance, electrical safety and DoC (Declaration of Conformity) the developer must construct a compliance folder con- etc. It is the responsibility of the integrator to know what taining all relevant compliance test reports e.g. RF, is required in the compliance folder for ACMA compli- EMC, electrical safety and DoC (Declaration of Confor- ance. All test reports are available on the RN52 product mity) etc. It is the responsibility of the developer to web page at http://www.microchip.com. For more infor- know what is required in the compliance folder for New mation on Australia compliance, refer to the Australian Zealand Radio communications. For more information Communications and Media Authority web site on New Zealand compliance, refer to the web site http://www.acma.gov.au/. http://www.rsm.govt.nz/. 3.4.1 HELPFUL WEB SITES 3.5.1 HELPFUL WEB SITES The Australian Communications and Media Authority: Radio Spectrum Ministry of Economic Development: www.acma.gov.au/. http://www.rsm.govt.nz/. 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, RN52 module RF transmitter test reports can be used in part to demon- strate 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 RN52 module test reports can be used www.rovingnetworks.com Version 1.1 3/19/13 page 17 Advanced Information

RN52-DS 4.0 ORDERING INFORMATION Table 4-1 provides ordering information for the RN52 module. TABLE 4-1: ORDERING INFORMATION Part Number Description RN52-I/RM Standard application firmware (A2DP/AVRCP/SPP) master and slave). For other configurations, contact Roving Networks directly. Go to http://www.rovingnetworks.com for current pric- ing and a list of distributors carrying Roving Networks products. 5.0 DOCUMENT REVISION HISTORY 5.1 Version 1.1 • Updated pin information. • Added more details on RN52 layout o host PCB. 5.2 Version 1.0 Initial release. This device has not been authorized as required by the rules of the Federal Copyright © 2013 Roving Networks. All rights reserved. Roving Networks Communications Commission. This is a registered trademark of Roving Networks. Apple Inc., iPhone, iPad, device is not, and may not be, offered iTunes, Made for iPhone are registered trademarks of Apple Computer. for sale or lease, or sold or leased, until authorization is obtained. Roving Networks reserves the right to make corrections, modifications, and other changes to its products, documentation and services at any time. Customers should obtain the latest relevant information before plac- ing orders and should verify that such information is current and com- plete. Roving Networks assumes no liability for applications assistance or cus- tomer’s product design. Customers are responsible for their products and applications that use Roving Networks components. To minimize cus- tomer product risks, customers should provide adequate design and oper- ating safeguards. Roving Networks, Inc. Roving Networks products are not authorized for use in safety-critical 102 Cooper Court applications (such as life support) where a failure of the Roving Networks Los Gatos, CA 95032 product would reasonably be expected to cause severe personal injury or +1 (408) 395-5300 death, unless officers of the parties have executed an agreement specifi- www.rovingnetworks.com cally governing such use. www.rovingnetworks.com Version 1.1 3/19/13 page 18 Advanced Information


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Document Modified: 2013-03-20 15:37:41
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