碧德（BDE）是美国德州仪器（TI）第三方合作伙伴

低功耗蓝牙模组

BDE-BLEM205-IN是一款蓝牙5.0单模兼容蓝牙低能耗模块，针对低功耗传感器和PC/手机配件。

BDE-BLEM205-IN高度集成了蓝牙低能量无线电，堆栈，配置文件和应用在SoC中，而不需要使用外部MCU。该模块还为传感器应用提供了灵活的硬件接口。它支持2mbps和phy编码，这是新添加的功能。该模块通过了蓝牙、FCC、ISED和CE-RED认证。它可以实现超低功耗连接和数据传输，适用于对功耗、尺寸和成本敏感的应用程序。

这个模块被设计为能够在-40⁰C到+105⁰C之间运行。

Key Features 

- Bluetooth 5.0 low energy compliant

- Powerful ARM Cortex-M4F processor

- Clock speed: up to 48MHz

- 352KB of In-System programmable flash with 8KB cache

- 80KB SRAM

- 8KB of cache SRAM

- 2-Pin cJTAG and JTAG debugging

- Support Over-the-Air upgrade (OTA)

- Ultra-Low power sensor controller with 4KB of SRAM

- 31 GPIOs

- 4 x 32-Bit or 8 x 16-Bit general purpose timer

- 12-Bit ADC, 200 k Samples/s, 8 channels

- 2 x comparator with internal reference DAC

- Programmable current source

- 2 x UART

- 2 x SSI (SPI, MICROWIRE, TI)

- IIC, IIS

- Real-Time-Clock (RTC)

- AES 128- and 256-bit crypto accelerator

- ECC and RSA public key hardware accelerator

- SHA2 accelerator (Full suite up to SHA-512)

- True Random Number Generator (TRNG)

- Capacitive sensing, up to 8 channels

- Integrated temperature and battery monitor

- On-Chip buck DC/DC converter

- RF performance

- TX power: -21dBm to 5dBm

- RX sensitivity: up to -105dBm (LE coded PHY)

- Communication range: about 250 meters (LOS) – Long Range Mode

- Antenna: PCB antenna, 1.17 dBi gain

- Size: 22.95 mm x 15 mm x 2.1 mm (With Shielding)

- Ultra low power consumption:

- Shutdown: 120nA (Wake up on external events)

- Standby: 0.95uA (RTC running and RAM/CPU retention)

- RX current: 6.9mA

- TX current @ 0dBm: 7.4mA

- TX current @ 5dBm: 9.7mA

- Industrial grade operating temperature range from -40⁰C to +105⁰C

- Pin to pin compatible with BDE-BLEM205

- Certifications

- Bluetooth- DID: D050902, QDID: 151505

- FCC ID: 2ABRU-BLEM205IN

- IC: 25657-BLEM205

- CE-RED