Datasheet RN41, RN41N (Microchip) - 4

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RN41/RN41N 1.0 DEVICE OVERVIEW FIGURE 1-1: RN41/RN41N TO MCU INTERFACE
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 Table 1-1, Table 1-2, Table 1-3, Table 1-4, and Table 1- (micro-controller-unit) or host processor sends com- 5 provide the module’s environmental conditions, elec- mands to module to configure features, read status, trical characteristics, dimensions, radio characteristics, and manage Bluetooth data connections. and digital I/O characteristics. As shown in Figure 1-1, the UART TX and RX are required to communicate with module and transfer data
1.2 ASCII Command and Data
across Bluetooth SPP connection.
Interface
Connecting the hardware flow control lines CTS and RTS is highly recommended for applications that The “Bluetooth Data Module Command Reference and transmits a continuous stream of data. Advanced Information User’s Guide” provides a com- plete description of the ASCII command and data inter- The module can be configured local y via the UART or face for the RN41/RN41N module. 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.
TABLE 1-1: ENVIRONMENTAL CONDITIONS Parameter Value
Temperature Range (Operating) -40o C ~ 85o C Temperature Range (Storage) -40o C ~ 85o 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 DS50002280A-page 4  2014 Microchip Technology Inc. Document Outline 1.0 Device Overview 1.1 MCU Interface 1.2 ASCII Command and Data Interface TABLE 1-1: Environmental Conditions TABLE 1-2: Electrical Characteristics TABLE 1-3: Module Dimensions TABLE 1-4: Radio Characteristics TABLE 1-5: Digital I/O Characteristics TABLE 1-6: Pin Description 2.0 Application Information 2.1 Reset Circuit 2.2 Factory Reset Using GPIO4 2.3 Connection Status TABLE 2-1: GPIO5 Status TABLE 2-2: GPIO2 Status 2.4 Module Mounting Details 2.5 External Antenna Types (RN41N) TABLE 2-3: Tested External Antenna Types 2.6 HCI Mode 2.7 Soldering Recommendations 2.8 SPI Interface 2.9 Bluetooth SIG QDID 2.10 Application Schematic 3.0 Regulatory Approval 3.1 United States 3.2 Canada 3.3 Europe TABLE 3-1: RN41 European Compliance Testing TABLE 3-2: RN41N European Compliance Testing 3.4 Australia 3.5 New Zealand 4.0 Ordering Information TABLE 4-1: Ordering Information Class 1 Bluetooth® Module with EDR Support Worldwide Sales and Service