BM20C,BM20E,BM20M,BM20XE nRF54LM20A Bluetooth 6.0 Thread, Zigbee Modules

 

BM20M,BM20E,BM20C

 

Bluetooth 6.0 Module

BM20C Series modules use Nordic nRF54LM20A BLE 6.0 module with a Cortex M33 MCU at 128 MHz. Both 32 MHz and 32.768 kHz, -40C to +105C, 20PPM crystals are integrated. DCDC converter Inductors and capacitors for VDD are integrated. No external component is required.

Module Summaries
BM20C

  • Size 10.0x15.0x2mm

  • Chip antenna.

BM20E

  • Size 10.0x15.0x2.0mm

  • u.FL for connection to external antenna.

BM20M

  • Size 10.0x14.0x2mm

  • an integrated PCB antenna.

BM20XE

  • Size 10.0x21.0x2mm

  • Skyworks power amplifier

  • u.FL for external antenna.

BM20C Series Specifications  

BLE 6.0, IEEE 802.15.4-2006 Transceiver

  • Complete RF solution with integrated antenna

  • BLE: 2Mbps, 1Mbps (-96 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.

  • Channel sounding for Bluetooth range measurements.

  • 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.

  • Both 32.0 MHz and 32.768 kHz crystals embedded.

  • 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: 2036KB/512KB. 

  • 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).

  • 90 LGA pins, 66 GPIOs.

  • Embedded inductors for DCDC converter   

  • 1.7V to 3.6V supply voltage with up to 3.6V I/O voltage.

  • Both 32 MHz and 32 KHz crystal embedded.

  • Operation temperature: -40°C to +105°C

Certifications

  • FCC ID:

  • ISED ID:

  • Europe:

  • Australia and New Zealand:

  • Japan TELEC:

  • Taiwan NCC:

  • QDID:

  • Availability: Samples Q4 2025

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