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Description

The MicroMod STM32WB5MMG Processor expands on SparkFun’s MicroMod ST product line with a powerful combination of computing and wireless capabilities on one M.2-connectable processor. The STM32WB5MMG from STMicroelectronics? is an ultra-low power microcontroller that combines a pair of Arm? Cortex? processors; a Cortex-M4 processor with FPU and ART for primary computing and a Cortex-M0 to run the 2.4 GHz RF stack. The module’s radio is Bluetooth? Low Energy 5.3, Zigbee? 3.0, and OpenThread certified.

The Cortex-M4 CPU on this processor can operate at a frequency of up to 64 MHz and features a floating point unit (FPU) single precision, which supports all ARM single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. The module uses an integrated chip antenna for the RF stack with Tx output power up to +6 dBm and Rx sensitivity of -96 dBm for BLE and -100 dBm for 802.15.4 protocols. The processor includes an additional 128Mb (16MB) serial flash memory chip.

Get Started with the Micromod STM32WB5MMG Processor Guide

Features

STM32WB5MMG General Features:

  • Pair of Arm? Cortex? Processors:
    • Arm? Cortex?-M4 CPU with FPU (Floating Point Unit)
      • Adaptive real-time accelerator (ART Accelerator?) allowing 0-wait state execution from Flash memory
      • Frequency up to 64 MHz
      • Memory protection unit
      • 80 DMIPS/ 1.25 DMIPS/MHz (Dhrystone 2.1)
      • DSP instructions
    • Arm? Cortex?-M0+ CPU
      • Dedicated to 2.4 GHz RF transceiver and security peripherals
  • 2.4 GHz RF Transceiver
    • Bluetooth? 5.3
    • IEEE 802.15.4-2011 PHY and MAC
    • Output Power: Programmable up to +6 dBm (1 dBm increments)
    • RX Sensitivity:
      • -96 dBm for BLE @ 1 Mbps
      • -100 dBm for 802.15.4
    • Max Range: 75 m
  • 16 MB External Flash memory
  • 256 KB SRAM
  • Supply Voltage Range: 1.71 to 3.6 V
  • Ultra-Low Power Consumption
    • Shutdown Mode: 13 nA
    • Stop Mode: 600 nA
    • Standby Mode: 600 nA
    • Radio: 4.5 mA (Rx) / 5.2 mA (Tx @ 0 dBm)

Specific Peripherals available on MicroMod STM32WB5MMG

  • Two UART (One low power)
  • Two I2C Buses
  • SPI
  • I2S Audio
  • 16-bit Advanced Four-Channel Timer
  • Two Dedicated Analog Inputs
  • Two Dedicated PWM
    • Shared with Timer pins
  • Eight General Purpose I/O Pins

Resources

MicroMod STM32WB5MMG Processor Documentation

  • Schematic
  • Eagle Files
  • Board Dimensions
  • Datasheet?(STM32WB55MMG)
  • Datasheet?(STM32WB55xx)
  • Reference Manual?(STM32WB55xx)
  • Hookup Guide
  • GitHub Hardware Repo

MicroMod Documentation

  • Getting Started with MicroMod
  • Designing with MicroMod
  • MicroMod Info Page
  • MicroMod Forums

Additional information

Weight 0.2 kg

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