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Class 2 Bluetooth Module
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Table Of Contents
Features:
Applications:
RN52 Block Diagram:
1.0 Device Overview
FIGURE 1-1: Module Dimensions
FIGURE 1-2: Recommended PCB Footprint
FIGURE 1-3: Pin Diagram
1.1 Audio Interface Circuit Description
1.1.1 Stereo Audio CODEC Interface
FIGURE 1-4: RN52 Audio Interface Block Diagram
FIGURE 1-5: Stereo CODEC Audio Input/Output Stages
1.1.2 Analog-to-Digital Converter (ADC)
FIGURE 1-6: ADC Analog Amplifier Block Diagram
1.1.3 Digital-to-Analog Converter (DAC)
1.1.4 Microphone Input
2.0 Applications
2.1 Minimizing Radio Interference
FIGURE 2-1: Minimizing Radio Interference
FIGURE 2-2: PCB Example Layout
2.2 LED Interface
FIGURE 2-3: LED interface
2.3 Device Firmware Updates
FIGURE 2-4: USB DFU Port & GPIO3 Schematic
2.4 Restore Factory Defaults with GPIO4
2.5 Solder Reflow Profile
FIGURE 2-5: Solder Reflow Temperature Profile
FIGURE 2-6: Solder Reflow Curve
2.6 Typical Application Schematic
FIGURE 2-7: Typical Application Circuit for A2DP Audio Streaming & AVRCP Remote Control
3.0 Regulatory Approval
3.1 United States
3.1.1 Labeling and User Information Requirements
3.1.2 RF Exposure
3.1.3 HELPFUL WEB SITES
3.2 Canada
3.2.1 Labeling and User Information Requirements
3.2.2 Helpful Web Sites
3.3 Europe
3.3.1 Labeling and User Information Requirements
3.3.2 Antenna Requirements
3.3.3 Helpful Web Sites
3.4 Australia
3.4.1 Helpful Web Sites
3.5 New Zealand
3.5.1 Helpful Web Sites
4.0 Ordering Information
5.0 Document Revision History
5.1 Version 1.1
5.2 Version 1.0
www.rovingnetworks.com
Version 1.1 3/19/13
page 12
Advanced Information
RN52-DS
FIGURE 2-6:
SOLDER REFLOW CURVE
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