FCC ID: T9J-RN52 Class 2 Bluetooth Module

 

RN52-DS RN52 Block Diagram:

RN52 2 LEDs PCB Antenna Speaker MIC MIC Bluetooth 3.0 RF Baseband Audio DSP 16-Bit Stereo CODEC I2S 16-Bit RISC MCU Speaker UART USB 11 GPIO Pins S/PDIF 16-MBit Flash 1 AIO 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 for highest quality audio Supports iAP profile to discover iOS devices and apps (requires a special firmware build) Integrated amplifier for driving 16 speakers UART (SPP) data connection interfaces External audio CODECs supported via S/PDIF and I2S interface Castellated SMT pads for easy and reliable PCB mounting Environmentally friendly, RoHS compliant Certifications: FCC, ICS, CE Bluetooth SIG certified Applications:

High-quality, 2-channel audio streaming Wireless stereo headsets 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 Advanced Information page 1 RN52-DS 1.0 DEVICE OVERVIEW Roving Networks RN52 Bluetooth audio module pro-

vides a highly integrated solution for delivering high-

quality stereo audio in a small form factor. It combines a class 2 Bluetooth radio with an embedded DSP pro-

cessor. The module is programmed and controlled with a simple ASCII command language. 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 RN52 supports a variety of profiles including HSP/HFP, A2DP, AVRCP, SPP, and iAP. It provides a UART inter-

face, several user programmable I/O pins, stereo speaker outputs, microphone inputs, and a USB port. Table 1-1 provides the general specifications for the module. Table 1-2 and Table 1-3 provide the modules weight, dimensions, and electrical characteristics. TABLE 1-1:

GENERAL SPECIFICATIONS Specification Description Standard Frequency Band Modulation Method Maximum Data Rate RF Input Impedance Interface Operation Range Sensitivity RF TX Power TABLE 1-2:

Dimensions Weight TABLE 1-3:

WEIGHT & DIMENSIONS Specification Bluetooth 3.0, class 2 2.4 ~ 2.48 GHz GFSK, PI/4-DQPSK, 8 DPSK 3 Mbps 50 ohms UART, GPIO, AIO, USB, SPI, speaker, microphone 10 meters (33 feet)

-85 dBm at 0.1 % BER 4 dBm Description 26.0 mm x 13.5 mm x 2.7 mm 1.2 g ELECTRICAL CHARACTERISTICS Specification Description Supply Voltage Working current Standby current (disconnected) Temperature ESD Humidity 3.0 ~ 3.6 V DC Depends on profiles, 30 mA typical

< 0.5 mA

-40C to +85C JESD22-A224 class 0 product 10% ~ 90% non-condensing Figure 1-1 shows the modules dimensions and Figure 1-2 shows recommended landing pattern and layout. www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 2 RN52-DS Dimensions are in millimeters Tolerances:

PCB Outline: +/- 0.13 mm PCB Thickness: +/- 0.100 mm FIGURE 1-1:

MODULE DIMENSIONS

(Top View)

(Side View) 5 7 0

. 5 7

. 2 1 26.00 21.20 20.00 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 0.0 21.40 26.00 21.40 0.70 0.00 0 0

. 0 5 8

. 0 5 5

. 2 5 7

. 3 5 9

. 4 5 1

. 6 5 3

. 7 5 5

. 8 5 7

. 9 5 9

. 0 1 5 6

. 2 1 0 5

. 3 1 0 7

. 2 0 8

. 0 0 0

. 0 FIGURE 1-2:

RECOMMENDED PCB FOOTPRINT

(Top View) 5 2

. 3 5 6

. 4 5 0

. 6 5 4

. 7 5 8

. 8 5 2

. 0 1 0.8mm 1.6mm 21.40 20.70 Host Ground Plane Edge

(See Mounting Details) Ground Pads 0.8 x 1.0 mm 0.80mm 26.00 21.20 20.00 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 0.0 0 0

. 0 5 8

. 0 5 5

. 2 5 7

. 3 5 9

. 4 5 1

. 6 5 3

. 7 5 5

. 8 5 7

. 9 5 9

. 0 1 5 6

. 2 1 0 5

. 3 1 Dimensions are in millimeters www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 3 RN52-DS Figure 1-3 shows the pinout and Table 1-4 describes the modules pins. FIGURE 1-3:

PIN DIAGRAM 0 5 9 4 8 4 7 4 6 4 5 4 D N G D N G D N G D N G D N G D N G RN52 Top View I 7 O P G I 6 O P G N E R W P D D V N I _ M C P C N Y S _ M C P T U O _ M C P K L C _ M C P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 GND GPIO3 GPIO2 AICO0 GPIO4 GPIO5 GPIO12 GPIO13 GPIO11 GPIO10 GPIO9 USBD-

USBD+

UART_RTS UART_CTS UART_TX UART_RX D N G 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 GND SPKR_L+

SPKR_R+

SPKR_L-

SPKR_R-

AGND MIC_R-

MIC_L-

MIC_R+

MIC_L+

MIC_BIAS LED0 LED1 SPI_MOSI SPI_SCK SPI_MISO SPI_SS D N G TABLE 1-4:

Pin 1 2 Symbol GND GPIO3 3 4 5 GPIO2 AIO0 GPIO4 8 1 9 1 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 PIN DESCRIPTION (PART 1 OF 3) Note 1 I/O Type Ground. Bidirectional with program-

mable strength internal pull-up/down. Bidirectional with program-

mable strength internal pull-up/down. Bidirectional. Bidirectional with program-

mable strength internal pull-up/down. Description Direction Default Ground. This pin enters device firmware update (DFU) mode at bootup if a USB device powers VBUS. GPIO3 requires 47 k to ground and 22 k to the USB VBUS signal if the USB VBUS is supply-

ing power to the main board. Reserved, event register. Toggles from high to low for 100 ms to indicate that the modules state has changed. A microcontroller can enter com-

mand mode and poll the state register using the Q action command. Analog programmable input/output line. Factory reset mode. To reset the module to the factory defaults, GPIO4 should be high on power-up and then toggle low, high, low, high with a 1 second wait between the transitions. Input Low Output High I/O Input Low www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 4 PIN DESCRIPTION (PART 2 OF 3) Note 1 RN52-DS Direction Default High I/O I/O I/O I/O I/O High High High High Input High I/O I/O Output Input Output Input Description Programmable I/O. Programmable I/O. Programmable I/O. Programmable I/O. Programmable I/O. When you drive this signal low, the modules UART goes into command mode. If this signal floats high, the UART is in data mode. Reserved. Not available for use at runtime. USB data minus. USB data plus with selectable internal 1.5-Kohm pull-up resistor. UART request to send active low. UART clear to send active low. UART data output. UART data input. Ground. Driving this pin low sets the UART baud rate to 9,600. By default the pin is high with a baud rate of 115,200. Programmable I/O. I/O I/O High High Pull high to power up RN52. 3.3v power input. Synchronous data input, configurable for SPDIF_IN or SD_IN (I2S). Synchronous data input, configurable for SPDIF_OUT or SD_OUT (I2S). Synchronous data sync; WS (I2S). Synchronous data clock; SCK (I2S). Input Input I/O Input TABLE 1-4:

Pin 6 Symbol GPIO5 7 8 9 GPIO12 GPIO13 GPIO11 10 GPIO10 11 GPIO9 12 13 14 15 16 17 18 19 21 22 23 24 25 26 20 GPIO6 UART_TX UART_RX GND GPIO7 PWREN VDD PCM_IN PCM_OUT PCM_CLK I/O Type Bidirectional with program-

mable strength internal pull-up/down. Bidirectional with program-

mable strength internal pull-up/down. Bidirectional with program-

mable strength internal pull-up/down. Bidirectional with program-

mable strength internal pull-up/down. Bidirectional with program-

mable strength internal pull-up/down. Bidirectional with program-

mable strength internal pull-up/down. internal pull-down. CMOS output, tri-state, with weak internal pull-up. CMOS input with weak internal pull-down. Ground. Bidirectional with program-

mable strength internal pull-up/down. Bidirectional with program-

mable strength internal pull-up/down. Analog. 3.3-V power input. CMOS input, with weak internal pull down. CMOS input, with weak internal pull down. USBD-

USBD+

Bidirectional. Bidirectional. UART_RTS CMOS output, tri-state, with weak internal pull-up. UART_CTS CMOS input with weak PCM_SYNC Bidirectional with weak internal pull down. CMOS input, with weak internal pull down. www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 5 RN52-DS PIN DESCRIPTION (PART 3 OF 3) Note 1 I/O Type Description Direction Default TABLE 1-4:

Pin 27 28 Symbol GND SPI_SS Ground. CMOS input with weak internal pull-up. SPI_MISO CMOS output, tri-state, with SPI_CLK weak internal pull-down. Input with weak internal pull-down. SPI_MOSI CMOS input, with weak LED1 LED0 internal pull-down. Open drain output. Open drain output. 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 MIC_BIAS Analog. MIC_L+

Analog. MIC_R+

Analog. MIC_L-

Analog. MIC_R-

Analog. AGND Analog. SPK_R-

Analog. SPK_L-

Analog. SPK_R+

Analog. SPK_L+

Analog. GND Ground. GND Ground. GND Ground. GND Ground. GND Ground. GND Ground. GND Ground. Input Output Input Input Output Output Output Output Output Output Output Output Output Output Output Ground. Chip select for Synchronous Serial Interface active low. Serial Peripheral Interface (SPI) output. SPI clock. SPI input. Drives an LED. For the RN-52-EK board, this signal drives the red LED. Drives an LED. For the RN-52-EK board, this signal drives the blue LED. Microphone bias. Microphone input positive, left. Microphone input positive, right. Microphone input negative, left. Microphone input negative, right. Ground connection for audio. Speaker output negative (right side). Speaker output negative (left side). Speaker output positive (right side). Speaker output positive (left side). Ground. RF ground. RF ground. RF ground. RF ground. RF ground. RF ground. Note 1: All GPIO pins default to input with weak pull-down. 1.1 Audio Interface Circuit Description The RN52 audio interface circuit consists of:

Stereo audio CODEC Dual audio inputs and dual outputs Configurable S/PDIF and I2S interface The audio input circuitry has a dual audio input that can be configured as single-ended or fully differential and programmed for microphone or line input. It has an analog and digital programmable gain stage so that it can be optimized for different microphones. See Figure 1-4. 1.1.1 STEREO AUDIO CODEC INTERFACE The stereo audio CODEC interface has stereo and mono analog input/output for voice and audio bands. It supports the IEC-60958 stereo digital audio bus stan-

dards, e.g., S/PDIF and AES3/EBU. The built-in CODEC uses a fully differential architecture in the analog signal path, which results in low noise sensitivity and good power supply rejection while effec-

tively doubling the signal amplitude. It operates from a 1.5 V single power supply and uses a minimum of external components. See Figure 1-5. www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 6 FIGURE 1-4:

RN52 AUDIO INTERFACE BLOCK DIAGRAM RN52-DS System Mainboard Audio PA MIC &

Bias S/PDIF & I2S RN52 SPK_L+

SPK_L-

SPK_R+

SPK_R-

MIC_L+

MIC_L-

MIC_R+

MIC_R-

MIC_BIAS FIGURE 1-5:

STEREO CODEC AUDIO INPUT/OUTPUT STAGES Input Amplifier

-ADC Output Amplifier LP Filter Input Amplifier

-ADC Output Amplifier LP Filter RN52 Digital Circuitry DAC DAC MIC_L+

MIC_L-

SPK_L+

SPK_L-

MIC_R+

MIC_R-

SPK_R+

SPK_R-

www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 7 RN52-DS 1.1.2 ANALOG-TO-DIGITAL CONVERTER

(ADC) The ADC consists of two second-order sigma delta

(SD) converters, resulting in two separate channels with identical functionality. Each ADC supports the fol-

lowing sample rates:

8 kHz 11.025 kHz 16 kHz 22.05 kHz 24 kHz 32 kHz 44.1 kHz The ADC analog amplifier is a two-stage amplifier. The first stage selects the correct gain for either micro-

phone or line input. See Figure 1-6. FIGURE 1-6:

ADC ANALOG AMPLIFIER BLOCK DIAGRAM Bypass or 24-dB Gain

-3 to 18 dB Gain P N

P N Line Mode/Microphone Mode Gain 0:7 Microphone Mode Input Impedance = 6 k Line Mode Input Impedance = 6 k to 30 k 1.1.3 DIGITAL-TO-ANALOG CONVERTER

(DAC) The DAC consists of two third-order SD converters, resulting in two separate channels with identical func-

tionality. Each DAC supports the following sample rates:

8 kHz 11.025 kHz 16 kHz 22.05 kHz 24 kHz 32 kHz 44.1 kHz MICROPHONE INPUT 1.1.4 The RN52 audio input is intended for use from 1 A at 94 dB SPL to about 10 A at 94 dB SPL, which requires microphones with sensitivity between 40 and 60 dBV. MIC_BIAS requires a minimum load to maintain regulation. MIC_BIAS maintains regulation within 0.199 and 1.229 mA. Therefore, if you use a micro-

phone with specifications below these limits, the micro-

phone output must be pre-loaded with a large value resistor to ground. www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 8 RN52-DS 2.0 APPLICATIONS The following sections provide information on design-

ing with the RN52 module, including restoring factory defaults, using the LED interface, minimizing radio interference, solder reflow profile, typical application, etc. Minimizing Radio Interference 2.1 When laying out the host PCB for the RN52 module, the areas under the antenna and shielding connections should not have surface traces, ground planes, or exposed via (see Figure 2-1). For optimal radio perfor-

mance, the RN52 modules antenna end should pro-

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) 31 mm Keep area around antenna

(approximately 31 mm) clear of metallic structures for best performance Edge of Ground Plain 4.6 mm 31 mm 21.4 mm Dimensions are in millimeters FIGURE 2-2:

PCB EXAMPLE LAYOUT RN52 Good RN52 Bad RN52 Acceptable RN52 Acceptable www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 9 LED Interface 2.2 The RN52 includes two pads dedicated to driving the LED indicators. The firmware can control both termi-

nals, and the battery charger can set LED0. The termi-

nals are open-drain outputs; therefore, the LED must be connected from a positive supply rail to the pad in series with a current limiting resistor. You should oper-

ate the LED pad (LED0 or LED1 pins) with a pad volt-

age below 0.5 V. In this case, the pad can be thought of as a resistor, RON. The resistancetogether with the external series resistorsets the current, ILED, in the LED. The current is also dependent on the external voltage, VDD, as shown in Figure 2-3. FIGURE 2-3:

LED INTERFACE VDD LED Forward Voltage, VF

|LED RLED Resistor Voltage Drop, VR LED0 or LED1 Pad Voltage, VPAD RON = 20 The LEDs can be used to indicate the modules con-

nection status. Table 2-1 describes the LED functions. TABLE 2-1:

Blue LED Red LED Flashing Flashing The RN52 module is discover-

STATUS LED FUNCTIONS Description able. Off Flashing The module is connected. Flashing Off The module is connectable. RN52-DS Device Firmware Updates 2.3 The module has a device firmware update (DFU) mode in which you use the USB interface to update the firm-

ware. ImplementingImplementing the DFU feature is recommended highly because firmware updates offer new features and enhance the modules functionality. Follow the reference design shown in Figure 2-7 to support this mode. Note:

A 47 K pull-down resistor (R2 in Figure 2-4) is required on GPIO3 even if you do not use the USB for DFU. FIGURE 2-4:

USB DFU PORT & GPIO3 SCHEMATIC C4 10nF GPIO3 R1 22k USBD-

USBD+

R2 47k D1 VBUS

(3.3V) MBR120 J2 1 2 VBUS D+3 D-

5 GND MTAB 6 USB Mini B Connector

(JAE DX2R005HN2E700) 2.4 Restore Factory Defaults with GPIO4 You should connect the GPIO4 pin to a switch, jumper, or resistor so it can be accessed. You can use this pin to reset the module to its factory default settings, which is critical in situations where the module has been mis-

configured. To reset the module to the factory defaults, GPIO4 should be high on 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 Advanced Information page 10 Solder Reflow Profile 2.5 The lead-free solder reflow temperature and times are:

Temperature230 C, 60 seconds maximum, peak 245 C maximum Preheat temperature165 15 C, 90 to 120 seconds RN52-DS To reflow solder the module onto a PCB, use an RoHS-

compliant solder paste equivalent to NIHON ALMIT paste or OMNIX OM-310 solder paste from Alpha met-

als. See Table 2-2. Note:

Use no-clean flux and DO NOT water wash TimeSingle pass, one time TABLE 2-2:

Manufacturer Part Number Metal Composition Liquidus Temperature PASTE SOLDER RECOMMENDATIONS Alpha Metals http://www.alphametals.com OMNIX OM-310 SAC305 (96.5% Sn, 3% Ag, 0.5% Cu)

~220C NIHON ALMIT Co. LTD http://almit.co.jp LFM-70W INP 88% Sn, 3.5% Ag, 0.5% Bi, 8% In

~215C 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 Advanced Information page 11 FIGURE 2-6:

SOLDER REFLOW CURVE RN52-DS www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 12 RN52-DS Typical Application Schematic 2.6 Figure 2-7 shows a typical application circuit with LDO, stereo audio/microphone PA, USB/UART, AVRCP switches, and LED0/LED1. FIGURE 2-7:

TYPICAL APPLICATION CIRCUIT FOR A2DP AUDIO STREAMING & AVRCP REMOTE CONTROL s e n o h p d a e H 9 J 35 421 0 2 C F u 0 0 1 3 2 C F u 0 0 1 7 1 C F u 0 0 1 9 1 C F u 0 0 1 4 1 R k 7 4 VDD10 F n 0 0 1 6 1 C 1 6 9 1 o V 2 o V 2 1 1 6 A P T 4 U N W O D T U H S S S A P Y B PAD GND 11 5

2 N I

2 N I

1 N I

1 N I 2 3 4 7 8 F u 0 1 5 1 C S U B V 5 1 R k 2 2 7 1 R k 2 2 6 1 R k 7 4 1 1 R k 7 4 3 1 R k 2 2 2 1 R k 2 2 1 2 C F u 1 8 1 C F u 1 3 1 C F u 1 2 2 C F u 1 4 1 C F u 1

L _ R K P S

L _ R K P S

R _ R K P S

R _ R K P S

L _ C M I

R _ C M I

L _ C M I

R _ C M I S A I B _ C M I T R A U R S C

B i i n M B S U D N G 5 6 B A T M S U B V

D

D 1 J 1 2 3 S U B V Q R 2 3 2 T F 1 U 3V3OUT16 VCCIO1 VCC19 5 1 4 1 8 1 7 2 8 2 M D B S U P D B S U T E S E R I C S O O C S O TEST THPAD AGND GND GND GND 26 33 24 4 17 20 D X T D X R S T R S T C R T D R S D D C D I R F n 0 0 1 1 C F n 0 0 1 3 C 0 1 R k 7 4 S U B V 2 C F n 0 0 1 2 0 3 8 2 3 1 3 6 7 3 0 1234567891 1 1 2 1 2 k 2 0 7 R S T C _ T R A U S T R _ T R A U 0 1 J X R _ T R A U X T _ T R A U S U O P U L O V _ N T B I T X E N _ N T B Y A L P _ N T B V E R P _ N T B N W O D L O V _ N T B 2 O P I 4 O P I N E R W P 7 O P I 6 O P I V 3 3

. c i M 5 J 354 21 0 S U B C 1 S U B C 2 S U B C 3 S U B C 4 S U B C 2 2 1 2 0 1 1 1 9 F u 1 7 C Tab GND 4 2 F u 1 6 C V 3 3

. 2 U

. V 3 3

2 6 2 1 C T 3 t u o V i n V 1 S U B V 2 4 6 8 0 1 1 3 5 7 9 7 J L C M I 12 R C M I 8 J 12 6 J R E T S A M I P S 4 J 123456 O S I M _ I S O M _ K C S _ S S _ I I I I P S P S P S P S V 3 3

. y r e t t a B 12 1 1 J S U B V

R _ R K P S L _ R K P S

R _ R K P S

L _ R K P S B S U D V S R

B i i n M B S U D N G 5 S U B V 1 D 0 2 1 R B M 6 B A T M S U B V

D

D 2 J 1 2 3 4 C F n 0 1 1 R k 2 2 3 O P I V 3 3

D B S U

D B S U e c i v e D e r a w m r i F e t a d p U k 7 4 2 R D E L d e R D E L e u B l 2 D 3 D 0 7 4 9 R R 7 4 8 R 0 D E L 1 D E L L _ C M I R _ C M I R _ C M I L _ C M I 1 1 C F n 7 4 N W O D L O V _ N T B S U O I V E R P _ N T B Y A L P _ N T B T X E N _ N T B t x e N 2 S 6 S P U L O V _ N T B n w o D l o V 2 k 2 7 R 2 k 2 6 R 2 1 C F u 1 F n 7 4 9 C S A V 3 3

. r o t c e n n o C T X E 3 J I B _ C M I F n 7 4 8 C 0 1 C F n 7 4

L _ C M I

R _ C M I p U l o V 4 S e s u a P

y a P l v e r P 3 S 1 S

L _ C M I

R _ C M I C N Y S _ M C P T U O _ M C P K L C _ M C P N I _ M C P 0 O I A S U B V 2 4 6 8 0 1 2 1 4 1 6 1 1 3 5 7 9 1 1 3 1 5 1 V 3 3

. e k a W 5 S X T _ T R A U X R _ T R A U 9 O P I l e u d o M 2 5 N R 1 M X R _ T R A U X T _ T R A U S T C _ T R A U S T R _ T R A U

D B S U

D B S U 9 O P I N W O D L O V _ N T B S U O I V E R P _ N T B Y A L P _ N T B T X E N _ N T B P U L O V _ N T B 4 O P I 0 O I A 2 O P I 3 O P I 6 O P I 7 O P I N E R W P 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 1 9 8 7 6 5 4 3 2 1 GND18 X R _ T R A U X T _ T R A U S T C _ T R A U S T R _ T R A U

D B S U

D B S U 9 O P G I 0 1 O P G I 1 1 O P G I 3 1 O P G I 2 1 O P G I 5 O P G I 4 O P G I 0 O A I 2 O P G I 3 O P G I D N G V 3 3

. GPIO719 GPIO620 PWREN21 VDD22 PCM_IN23 PCM_OUT24 PCM_SYNC25 PCM_CLK26 GND27 S S _ I P S I O S M _ I P S K C S _ P S I I S O M _ I P S 1 D E L 0 D E L I S A B _ C M I

L _ C M I

R _ C M I

L _ C M I

R _ C M I D N G A

R _ R K P S

L _ R K P S

R _ R K P S

L _ R K P S 8 2 9 2 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 0 4 1 4 2 4 3 4 GND GND GND GND GND GND 50 49 48 47 46 45 D N G 4 4 T U O _ M C P C N Y S _ M C P K L C _ M C P N I _ M C P O S I M _ I P S K C S _ I P S I S O M _ I P S S S _ I P S 1 D E L 0 D E L

R _ R K P S

L _ R K P S

R _ R K P S

L _ R K P S

L _ C M I

R _ C M I

L _ C M I

R _ C M I S A I B _ C M I www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 13 3.0 REGULATORY APPROVAL This section outlines the regulatory information for the RN52 module for the following countries:

United States Canada Europe Australia New Zealand for intentional United States 3.1 The RN52 module has received Federal Communica-

tions Commission (FCC) CFR47 Telecommunications, Part 15 Subpart C Intentional Radiators modular approval in accordance with Part 15.212 Modular Transmitter approval. Modular approval allows the end user to integrate the RN52 module into a finished prod-

uct without obtaining subsequent and separate FCC approvals radiation, provided no changes or modifications are made to the module cir-

cuitry. 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 operating 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 RN52 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 out-

side of the finished product into which the module is RN52-DS installed must also display a label referring to the enclosed module. This exterior label can use wording as follows:

Contains Transmitter Module FCC ID: T9J-RN52 or Contains FCC ID: T9J-RN52 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 A users manual for the product should include the fol-

lowing 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 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. 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) http://apps.fcc.gov/oetcf/

kdb/index.cfm. RF EXPOSURE 3.1.2 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 Advanced Information page 14 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 Radio Frequency

(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 the use of warning labels and by providing users with information concerning minimum separation dis-

tances from transmitting structures and proper installa-

tion of antennas. The following statement must be included as a CAU-

TION 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 dur-

ing 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 RN52 module is used in a portable application

(i.e., the antenna is less than 20 cm from persons dur-

ing operation), the integrator is responsible for perform-

ing Specific Absorption Rate in accordance with FCC rules 2.1091. testing

(SAR) HELPFUL WEB SITES 3.1.3 Federal Communications Commission http://www.fcc.gov FCC Office of Engineering and Technology (OET) Lab-

oratory Division Knowledge Database

(KDB):

http://apps.fcc.gov/oetcf/kdb/index.cfm

(FCC):

Canada 3.2 The RN52 module has been certified for use in Canada under Industry Canada (IC) Radio Standards Specifica-

tion (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. RN52-DS 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:

Contains transmitter module IC: 6514A-RN52 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:

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'Indust-

rie 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. 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:

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 isotropi-

cally 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. www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 15 RN52-DS ANTENNA REQUIREMENTS 3.3.2 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 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]

installation HELPFUL WEB SITES 3.3.3 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/

The above notice may be affixed to the device instead of displayed in the user manual. 3.2.2 HELPFUL WEB SITES Industry Canada: http://www.ic.gc.ca/

Europe 3.3 The RN52 module is an R&TTE Directive assessed radio module that is CE marked and has been manu-

factured and tested with the intention of being inte-

grated into a final product. The RN52 module has been tested to R&TTE Directive 1999/5/EC Essential Requirements for Health and Safety (Article (3.1(a)), Electromagnetic Compatibility

(EMC) (Article 3.1(b)), and Radio (Article 3.2) and are summarized in Table 3-1: European Compliance Test-

ing. A Notified Body Opinion has also been issued. All test reports are available on the RN52 product web page at http://www.microchip.com. The R&TTE Compliance Association provides guid-

ance on modular devices in document Technical Guid-

ance Note 01 available at http://www.rtteca.com/html/

download_area.htm. 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. the product When integrating a radio module into a completed 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. 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 Advanced Information page 16 RN52-DS Laboratory Report Number Date EUROPEAN COMPLIANCE TESTING Standards Article EN 60950-1:2006+A11:2009+A1:2010 (3.1(a)) EN 50371:2002-03 EN 301 489-1 V1.8.1 (2008-04) EN 301 489-17 V2.1.1 (2009-05) EN 300 328 V1.7.1 (2006-10)

(3.1(b))

(3.2) TABLE 3-1:

Certification Safety Health EMC Radio Notified Body Opinion DoC as part of the product certification and compliance folder. All test reports are available on the RN52 prod-

uct web page at http://www.microchip.com. For more information on the RF transmitter test reports, contact Microchip Technology 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-ofli-

cence/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/. HELPFUL WEB SITES 3.5.1 Radio Spectrum Ministry of Economic Development:

http://www.rsm.govt.nz/. in Australia 3.4 The Australia radio regulations do not provide a modu-

lar approval policy similar to the United States (FCC) and Canada (IC). However, RN52 module RF transmit-

ter test reports can be used in part to demonstrate com-

pliance 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 RN52 module test reports can be used as part of the product certification and compliance folder. For more informa-

tion on the RF transmitter test reports, contact Micro-

chip 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 RN52 product web page at http://www.microchip.com. For more infor-

mation on Australia compliance, refer to the Australian Communications and Media Authority web site http://www.acma.gov.au/. HELPFUL WEB SITES 3.4.1 The Australian Communications and Media Authority:

www.acma.gov.au/. New Zealand 3.5 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 Advanced Information page 17 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 For other configurations, contact Roving Networks directly. Standard application firmware (A2DP/AVRCP/SPP) master and slave). Go to http://www.rovingnetworks.com for current pric-

ing and a list of distributors carrying Roving Networks products. 5.0 DOCUMENT REVISION HISTORY Version 1.1 5.1 Updated pin information. Added more details on RN52 layout o host PCB. Version 1.0 5.2 Initial release. This device has not been authorized as required by the rules of the Federal Communications Commission. This device is not, and may not be, offered for sale or lease, or sold or leased, until authorization is obtained. Roving Networks, Inc. 102 Cooper Court Los Gatos, CA 95032

+1 (408) 395-5300 www.rovingnetworks.com Copyright 2013 Roving Networks. All rights reserved. Roving Networks is a registered trademark of Roving Networks. Apple Inc., iPhone, iPad, iTunes, Made for iPhone are registered trademarks of Apple Computer. 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-

tomers 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 products are not authorized for use in safety-critical applications (such as life support) where a failure of the Roving Networks product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifi-

cally governing such use. www.rovingnetworks.com Version 1.1 3/19/13 Advanced Information page 18