BMD-380 (open CPU)

Stand-alone Bluetooth 5 low energy modules

Ultra-compact full Bluetooth 5, 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

BMD-380

with internal chip antenna, open CPU

Related links

Product variants	BMD-380
Antenna
Internal antenna	✓
Short range features
Chip inside	nRF52840
Bluetooth qualification	v5.0 (Bluetooth low energy)
Bluetooth low energy output power EIRP [dBm]	7
Maximum range [m]	500
Maximum number of connections	20
Additional standard	Thread / Zigbee, NFC
Microprocessor on board
Standalone module	✓
Programmable module	✓
Interfaces
UART	2
USB	1
SPI	4
TWI (I2C compatible)	2
I2S	1
GPIO	44
ADC	8
PWM	16
PDM	1
Electrical data
Minimum supply [V]	1.70
Maximum supply [V]	5.5
Environmental data, quality & reliability
Maximum temperature [°C]	85
Minimum temperature [°C]	-40
Size [mm]	7.5 x 9.5 x 1.5
Features
Bluetooth mesh	✓
FOTA	✓
Secure boot	✓
Simultaneous GATT server and client	✓
Other
Markets	Wearables, Healthcare, Smart Home & Buildings