BM15C,BM15E,BM15M nRF54L15 Bluetooth 5.4 Thread, Zigbee Modules

Ultra Low Cost Bluetooth 5.4 Module

BM15C is a Nordic nRF54L15 BLE 5.4 module with a Cortex M33 MCU at 128 MHz. Size is 10.0x14.0x2.0 mm. A 32 MHz, -40C to +105C, 20PPM crystal is integrated. DCDC converter Inductors and capacitors for VDD are integrated.

BM15C is footprint upgradeable to BM20C, an nRF54H20 module, and WM02C15C, an nRF54L15 and nRF7002 WiFi 6 combo module.

Module Summaries
BM15M

Size 10.0x14.0x2mm
PCB antenna.

BM15E

Size 10.0x14.0x2mm
an u.FL connector for external antenna.

BM15C

Size 10.0x16.0x2mm
an integrated high performance chip antenna.

BM15C Specifications

BLE 5.4, IEEE 802.15.4-2006 Transceiver

Complete RF solution with integrated antenna
BLE: 2Mbps, 1Mbps (-98 dBm sensitivity), 500kbps, 125kbps (-106 dBm sensitivity).
IEEE 802.15.4-2006: 250 kbps (-102 dBm sensitivity).
Proprietary: 4Mbps, 2Mbps, 1Mbps.
Programmable TX power, -8 dBm +8 dBm.
AoA and AoD direction finding using BLE.
128 bit AES/ECB/CCM/AAR co-processor (on-the-fly operation).
12.0 mW TX current at 0 dBm, 1Mbps, 1.8V VDD.
7.5 mW RX current, 1Mbps, 1.8V VDD.
RSSI, 1 dB resolution

Platform Security

Secure/non-secure memory protection.
Symmetric and asymmetric key crypto accelerator.
Secure key management.
Tamper detection.
Immutable boot partition.
Debug access port protection.
Two watchdog timers for secure and non-secure context.

MCU

Nordic nRF54L with ARM Cortex M33, 128 MHz.
Flash/RAM: 1524KB/256KB.
505 EEMAC CoreMark score running from non-volatile memory, 3.95 CoreMark per MHz.
Single precision floating point unit (FPU).
Memory protection unit (MPU).
Digital signal processing (DSP) instructions.
Data watchpoint and trace (DWT), embedded trace macrocell (ETM), instrumentation trace macrocell (ITM), and cross trigger interface (CTI).
Serial Wire Debug (SWD)
Trace port interface unit (TPIU), 4-bit parallel trace of ITM and ETM trace data; Serial wire output (SWO) trace of ITM data.

Peripherals

Two realtime counters (RTC), and one global RTC (GRTC) that can run in System OFF mode and implement a shared system timer.
Seven 32-bit timers with counter mode.
Five fully featured serial interfaces with EasyDMA, supporting I2C, SPI controller/peripheral, and UART.
Three pulse width modulator (PWM) units with Easy DMA.
I2S two channel inter-IC sound interface.
14-bit at 20KS/s, 12 bit at 250KS/s, or 10-bit at 2MS/s ADC with up to eight programmable gain channels.
Near field communication (NFC).
Two quadrature decoders (QDEC).
45 LGA pins, 32 GPIOs.
Embedded inductors for DCDC converter
1.7V to 3.6V supply voltage with up to 2.6V I/O voltage.
An external 32.768 KHz crystal is not required.
Operation temperature: -40°C to +105°C