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| RN4020 低功耗藍牙4.1兼容模塊解決方案 |
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| 文章來源： 更新時間：2014/7/19 10:24:00 |
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Microchip公司的RN4020是藍牙4.1兼容的低功耗模塊,是完整的藍牙解決方案:集成了堆棧,滿足所有的藍牙SIG標準和內置天線.典型發送功率7.0dBm,RX靈敏度-92.5dBm,采用UART通信接口,尺寸為11.5 x 19.5 x 2.5 mm.工作電壓3.0V-3.6V,主要用在醫療保健設備,運動場和健身設備,零售設備,物聯網傳感器標簽,遙控,可穿戴智能設備和附件等.本文介紹了RN4020主要特性,框圖和引腳框圖,以及RN4020 PICtail™/PICtail Plus演示板主要特性和電路圖.
Microchip’s RN4020 Bluetooth Low Energy Module provides a highly integrated solution for delivering low power Bluetooth 4.1 solutions. The advanced command interface offers rapid time to market.
The RN4020 module complies with Bluetooth specification version 4.1. It integrates RF, a baseband controller, command API processor, making it a complete Bluetooth Low Energy Solution.
The RN4020 can be used with either low cost microcontroller for intelligent Bluetooth Low Energy applications.
For simple sensor applications, the RN4020 internal scripting capabilities enable basic functions to be implemented without the need for external host MCU or software development tools.
圖1. RN4020模塊外形圖
RN4020主要特性:
• Fully qualified Bluetooth® version 4.1 module
• Onboard Bluetooth Low Energy 4.1 stack
• ASCII command interface API over UART
• Compact form factor 11.5 x 19.5 x 2.5 mm
• Castellated SMT pads for easy and reliable PCB mounting
• Environmentally friendly, RoHS compliant
• Certifications: FCC, IC, CE, QDID
• Device Firmware Upgrade (DFU) over UART or Over the Air (OTA)
• Microchip Low-energy Data Profile (MLDP) for serial data applications
• Remote commands over the air
Operational
• Single operating voltage: 3.0V to 3.6V (3.3V typical)
• Temperature range: -30℃ to 85℃
• Low-power consumption
• Simple, UART interface
• Integrated Crystal, Internal Voltage Regulator, Matching Circuitry, Memory Amplifier, and PCB
Antenna
• Multiple IOs for control and status
• UART interface, GPIO, ADC
• 64 KB internal serial flash
RF/Analog Features
• ISM Band 2.402 to 2.480 GHz operation
• Channels 0-39
• Rx Sensitivity: -92.5 dBm at 0.1% BER
• Tx Power: +7 dBm
• RSSI monitor
MAC/Baseband/Higher Layer Features
• Secure AES128 encryption
• GAP, GATT, SM, L2CAP and integrated public profiles
• Create custom services using command API
• Keyboard I/O Authentication
• Software configurable role as peripheral or central, client or server
RN4020應用:
• Health/Medical Devices
- Glucose Meters
- Heart rate
- Scale
• Sports Activity and Fitness
- Pedometer
- Cycling computer
- Heart rate
• Retail
- POS
- Asset tagging and tracking
- Proximity Advertising
• Beacon applications
• Internet of Things Sensor tag
• Industrial Control
- Private (custom) services
- Low bandwidth cable replacement
Smart Energy/Smart Home
圖2. RN4020框圖
圖3. RN4020模塊引腳框圖
RN4020 PICtail™/PICtail Plus板
The RN4020 PICtail / PICtail Plus Board is a Bluetooth® Low Energy demonstration board that showcases the Microchip RN4020 module, a fully-certified Bluetooth Version 4.1 low energy module for designers who want to easily add low power wireless capability to their products. This flexible development board includes the RN4020 paired with an eXtreme Low Power PIC18F25K50 microcontroller.
This convenient development board includes a USB to UART interface for plug-and-play capability. The high-speed UART interface and the General Purpose Input Output (GPIO) ports are available on the RN4020 module to configure, control and transfer data. The RN-4020-PICtail also includes PICtail and PICtail Plus interfaces for connecting to Microchip development boards. The on-board PIC18 microcontroller can be custom programmed via the available PICkit serial programmer / debugger interface. The board also includes on-board connection and data status LEDs enabling rapid prototyping and fast time to market
RN4020 PICtail™/PICtail Plus板主要特性:
Enables flexible development with the RN4020 BTLE Module
USB to UART Interface, to quickly get started
Connection and data status LEDs
PICtail™ and PICtail Plus interfaces for connection to Microchip development boards
eXtreme Low Power PIC18F25K50 MCU on-board
PICkit™ serial programmer / debugger interface
Multiple options for programming and experimentation
圖4. RN4020 PICtail™/PICtail Plus板外形圖
圖5. RN4020 PICtail™/PICtail Plus板電路圖 |
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