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[原创] Silabs Blue Gecko BGM111智能蓝牙模块解决方案

关键词:ARM Cortex-M4 MCU DSP 蓝牙4.2 消费类电子 医疗电子 汽车电子

时间:2016-10-31 10:55:06       作者:Silabs       来源:中电网

Silabs公司的Blue Gecko BGM111是智能蓝牙4.2模块,集成了40MHz 32位ARM® Cortex®-M4核,闪存256kB,RAM32kB,融合了应用程序所需要的元素如蓝牙无线电,软件协议栈和基于GATT协议的配置文件.具有优异成绩的RF性能:发送功率TX为+8dBm,接收灵敏度RX为-92dBm,范围高达200米.主要用在健康和健身设备,销售点系统,消费类电子设备,汽车零配件市场,工业和家庭自动化设备等.本文介绍了BGM111主要特性和产品亮点,框图,应用连接图,以及入门板SLWSTK6101B主要特性,框图,硬件分布图和电路图.

The Blue Gecko BGM111 is a Bluetooth® Module targeted for Bluetooth low energy applicationswhere reliable RF, low-power consumption, and easy application developmentare key requirements. At +8 dBm TX power, BGM111 is ideal for applications requiringshort and medium range Bluetooth connectivity.

The BGM111 integrates all of the necessary elements required for a Bluetooth application:Bluetooth low energy radio, a software stack, and GATT-based profiles, and it canalso host end user applications, which means no external microcontroller is required insize, price or power constrained devices. The BGM111 Bluetooth Module also has highlyflexible hardware interfaces to connect to different peripherals or sensors.

BGM111主要特性:

• Bluetooth 4.2 Compliant
• Integrated antenna
• TX power: up to +8 dBm
• RX sensitivity: down to -92 dBm
• Range: up to 200 meters
• 32-bit ARM® Cortex®-M4 core at 40 MHz
• Flash memory: 256 kB
• RAM: 32 kB
• Autonomous Hardware Crypto Acceleratorand Random Number Generator
• Integrated DC-DC Converter
• Onboard Bluetooth stack

BGM111产品亮点:

• Low Power Wireless System-on-Chip.
• High Performance 32-bit 40 MHz ARM Cortex®-M4 withDSP instruction and floating-point unit for efficient signalprocessing
• 256 kB flash program memory
• 32 kB RAM data memory
• 2.4 GHz radio operation
• TX power up to +8 dBm
• Low Energy Consumption
• 8.7 mA RX current at 2.4 GHz
• 8.2 mA TX current @ 0 dBm output power at 2.4 GHz
• 63 μA/MHz in Active Mode (EM0)
• 2.5 μA EM2 DeepSleep current (full RAM retention andRTCC running from LFXO)
• 2.1 μA EM3 Stop current (State/RAM retention)
• Wake on Radio with signal strength detection, preamblepattern detection, frame detection and timeout
• High Receiver Performance
• -92 dBm sensitivity @ 1 Mbit/s GFSK (2.4 GHz)
• Supported Protocols
• Bluetooth®
• Support for Internet Security
• General Purpose CRC
• Random Number Generator
• Hardware Cryptographic Acceleration for AES 128/256,SHA-1, SHA-2 (SHA-224 and SHA-256) and ECC
• Wide Selection of MCU peripherals
• 12-bit 1 Msps SAR Analog to Digital Converter (ADC)
• 2× Analog Comparator (ACMP)
• Digital to Analog Current Converter (IDAC)
• 25 pins connected to analog channels (APORT) shared betweenAnalog Comparators, ADC, and IDAC
• 25 General Purpose I/O pins with output state retention andasynchronous interrupts
• 8 Channel DMA Controller
• 12 Channel Peripheral Reflex System (PRS)
• 2×16-bit Timer/Counter
• 3 + 4 Compare/Capture/PWM channels
• 32-bit Real Time Counter and Calendar
• 16-bit Low Energy Timer for waveform generation
• 32-bit Ultra Low Energy Timer/Counter for periodic wake-upfrom any Energy Mode
• 16-bit Pulse Counter with asynchronous operation
• Watchdog Timer with dedicated RC oscillator @ 50nA
• 2×Universal Synchronous/Asynchronous Receiver/Transmitter(UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
• Low Energy UART (LEUART™)
• I2C interface with SMBus support and address recognitionin EM3 Stop
• Wide Operating Range
• 1.85 V to 3.8 V single power supply
• 2.4 V to 3.8 V when using DC-DC
• Integrated DC-DC
• -40 ℃ to +85 ℃
• Dimensions
• 12.9 x 15.00 x 2.2 mm

BGM111主要应用:

• IoT Sensors and End Devices
• Commercial and Retail
• Health and Wellness
• Industrial, Home and Building Automation
• Smart Phone, Tablet and PC Accessories

图1. BGM111框图

图2. EFR32BG1详细框图

图3. BGM111和主CPU连接图

图4. BGM111 SPI外设连接图

图5. BGM111和I2C设备连接图

Blue Gecko Bluetooth®模块无线入门板SLWSTK6101B

The Blue Gecko Bluetooth® Module Wireless Starter Kit is an excellent starting point toget familiar with the BGM111 Bluetooth Module.
The Wireless Starter Kit Mainboard contains sensors and peripherals demonstrating some of the BGM111’s many capabilities. The kit provides all necessary tools for developinga Silicon Labs wireless application.

RADIO BOARD FEATURES

• BGM111 Blue Gecko Bluetooth Modulewith 256 kB Flash and 32 kB RAM. (P/NBGM111)
• Integrated high performance chip antenna
• Transmit power up to 8 dBm
• CPU core 32-bit ARM Cortex-M4
SOFTWARE SUPPORT
• Blue Gecko Bluetooth Software
• Blue Gecko Bluetooth SDK
• Example applications for the kit
• iOS and Android applications

SLWSTK6101B主要特性:

• Supplied with BGM111 Blue GeckoBluetooth Module Radio Board BRD4300A
• Supplied with BGM113 Blue GeckoBluetooth Module Radio Board BRD4301A
• Ethernet and USB connectivity
• SEGGER J-Link on-board debugger
• Debug Multiplexer supporting externalhardware as well as radio board
• Silicon Labs’Si7021 Relative Humidity andTemperature sensor
• Ultra low power 128x128 pixel MemoryLCD
• LEDs / Push buttons / Reset button
• 20-pin 2.54 mm header for expansionboards
• Breakout pads for direct access to all radioI/O pins
• Power sources include USB and CR2032coin cell holder.

扩展板主要特性:

• Accelerometer
• Buttons and LEDs
• Joystick
• Footprint for I2C Expansion device

图6. SLWSTK6101B外形图

SLWSTK6101B包括:

• 1x BRD4001A Wireless Starter Kit Mainboard
• 1x BRD4301A Blue Gecko BGM113 Bluetooth® Module Radio Board
• 1x BRD4300A Blue Gecko BGM111 Bluetooth® Module Radio Board
• 1x BRD8006A Blue Gecko Module Kit Add-on Board
• 1x CR2032 Lithium battery
• 1x USB Type A <-> USB Mini-B cables

图7. SLWSTK6101B硬件分布图

图8. SLWSTK6101B硬件框图

图9. SLWSTK6101B主板BRD4001_A01电路图(1)

图10. SLWSTK6101B主板BRD4001_A01电路图(2)

图11. SLWSTK6101B主板BRD4001_A01电路图(3)

图12. SLWSTK6101B主板BRD4001_A01电路图(4)

图13. SLWSTK6101B主板BRD4001_A01电路图(5)

图14. SLWSTK6101B主板BRD4001_A01电路图(6)

图15. SLWSTK6101B主板BRD4001_A01电路图(7)
SLWSTK6101B主板BRD4001_A01材料清单见:
WSTK_Main_BRD4001A_A01_bom.xls
详情请见:
http://www.silabs.com/Support%20Documents/RegisteredDocs/BGM111_datasheet.pdf
https://www.silabs.com/Support%20Documents/RegisteredDocs/ug122-brd4300a-user-guide.pdf
以及http://www.silabs.com/Support%20Documents/TechnicalDocs/WSTK_Main_BRD4001A_A01_schematic.pdf
BGM111_datasheet.pdf
ug122-brd4300a-user-guide.pdf
WSTK_Main_BRD4001A_A01_schematic.pdf

 

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