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 RN52 Supports iAP profile to discover iOS devices and apps (requires a special firmware build) 2 LEDs PCB Antenna Speaker Integrated amplifier for driving 16 speakers UART (SPP) data connection interfaces Bluetooth 3.0 MIC External audio CODECs supported via S/PDIF RF Baseband 2 Speaker S interface and I 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 USB Bluetooth SIG certified Applications: 11 GPIO 2 16-Bit RISC MCU I S 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 1.1r 3/20/13 page 1 Advanced InformationRN52-DS The RN52 module complies with Bluetooth specifica- 1.0 DEVICE OVERVIEW tion version 3.0. It integrates RF, a baseband controller, etc., making it a complete Bluetooth subsystem. The Roving Networks 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 Table 1-1 provides the general specifications for the a simple ASCII command language. module. Table 1-2 and Table 1-3 provide the modules 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 -40C to +85C ESD JESD22-A224 class 0 product Humidity 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 1.1r 3/20/13 page 2 Advanced Information