BMD-380 (open CPU)

Stand-alone Bluetooth 5.1 low energy modules

Ultra-compact full Bluetooth 5.1, Thread, and Zigbee (IEEE 802.15.4) solution

Powerful, ultra-efficient 64 MHz 32-bit Arm® Cortex®-M4 with FPU, 1 MB Flash, and 256 kB RAM
Miniature footprint of 7.5 x 9.5 mm to fit the most compact designs
Bluetooth 5 long range support (Coded PHY)
USB 2.0 and built-in DC-DC converter for direct USB / Li-Ion power
Hardware cryptographic unit for secure boot and over-the-air updates
Integrated chip antenna

Standard

Professional

Automotive

BMD-380

with internal chip antenna, open CPU

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Documentation & resources

Product variants	BMD-380
Short Range Features
Bluetooth Qualifications	v5.0 (Bluetooth Low Energy)
Chip Inside	nRF52840
Bluetooth low energy output power EIRP [dBm]	7
Maximum range [m]	500
Maximum number of connections	20
Bluetooth profiles and services	Bluetooth GATT
CPU Features
Microprocessor on board	Standalone module open CPU
Interfaces
UART	2
USB	1
GPIO	44
ADC	8
SPI	4
TWI (I2C compatible)	2
I2S	1
PDM	1
PWM	16
Electrical data
Maximum supply [V]	5.5
Minimum supply [V]	1.7
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
Antennas	Internal antenna
Dimensions
Dimensions [mm]	7.5 x 9.5 x 1.5