BMD-34 系列 (open CPU)

Stand-alone 低功耗蓝牙 5.0 模块

蓝牙 5.0 全功能模块远距离通信以及 Thread 和 Zigbee (802.15.4) 解决方案

  • 搭载超高效的 64 MHz 32 位 Arm® Cortex®-M4(带有 FPU)处理器,1 MB 闪存和 256 kB RAM
  • 蓝牙 5.0 远距离通信支持 (Coded PHY)
  • USB 2.0 直接供电/内置 DC-DC 转换器通过锂电池供电
  • 内置用于安全启动和 OTA 更新的硬件加密单元
  • 可选 PA/LNA 确保极广的范围

S

standard

Standard

professional

Professional

automotive

Automotive

Product variants

BMD-340

配有内置 PCB 天线

BMD-341

配有用于外置天线的 U.FL 连接器

BMD-345

配有用于外置天线的 PA/LNA 和 U.FL 连接器

产品选择
文档和资源
Product variantsBMD-340BMD-341BMD-345
Short Range Features 
Bluetooth Qualificationsv5.0 (Bluetooth Low Energy)
Chip InsidenRF52840
Bluetooth low energy output power EIRP[dBm]7 13 16
Maximum range [m]500 750 1000
Maximum number of connections20
Bluetooth profiles and servicesBluetooth GATT
CPU Features 
Microprocessor on boardStandalone module open CPU
Interfaces 
UART2
USB1
GPIO48 48 44
ADC8
SPI4
TWI (I2C compatible)2
I2S1
PDM1
PWM16
Electrical data 
Maximum supply [V]5.5 5.5 3.6
Minimum supply [V]1.7 1.7 2
Environmental data,
quality & reliability
 
Maximum temperature [°C]85
Minimum temperature [°C]-40
Features 
Bluetooth high speed (LE 2M PHY)
Bluetooth long range (coded PHY)
Bluetooth mesh
FOTA
Secure boot ready
Simultaneous GATT server and client
Supports customer applications
General Features 
AntennasInternal antennaU.FL connectorU.FL connector
Dimensions 
Dimensions [mm]10.2×15.0×1.9(2.0) x
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