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  3. STMicroelectronics — STM32WB Ultra-low-power Dual-Core Multi-Protocol Wireless MCUs

STMicroelectronics — STM32WB Ultra-low-power Dual-Core Multi-Protocol Wireless MCUs

 

STMicroelectronics

 

STMicroelectronics STM32WB5MMG 2.4GHz Wireless Module

Ultra-low-power Module - Dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32MHz with 1 Mbyte of Flash memory, Bluetooth LE 5.2, 802.15.4, Zigbee, Thread, USB, LCD, AES-256

The STM32WB5MMG is an ultra-low-power and small form factor certified 2.4GHz wireless module. It supports Bluetooth® Low Energy 5.0, Zigbee® 3.0, OpenThread, dynamic and static concurrent modes, and 802.15.4 proprietary protocols. Based on STMicroelectronics STM32WB55VGY wireless microcontroller, the STM32WB5MMG provides best-in-class RF performance thanks to its good receiver sensitivity and a high output power signal. Its low-power features enable extended battery life time, small coin-cell batteries or energy harvesting. The STM32WB5MMG requires no RF expertise and is the best way to speed-up any development and to reduce associated costs. The module is completely protocol stack royalty-free.

The module is an SiP-LGA86 package (system in package land grid array) that integrates the proven STM32WB55VGY MCU with several external components.

Features

  • Integrated chip antenna
  • Bluetooth® Low Energy 5.0, Zigbee® 3.0, OpenThread certified
  • Dynamic and static concurrent modes
  • IEEE 802.15.4-2011 MAC PHY
  • Supports 2 Mbits/s
  • TX output power up to +6 dBm
  • RX sensitivity: -96 dBm (Bluetooth® Low Energy at 1 Mbps), -100 dBm (802.15.4)
  • Range: up to 75 meters
  • Dedicated Arm® Cortex®-M0+ for radio and security tasks
  • Dedicated Arm® Cortex®-M4 CPU with FPU and ART (adaptative real-time accelerator) up to 64 MHz speed
  • 1-Mbyte Flash memory, 256-Kbyte SRAM
  • Fully integrated BOM, including 32 MHz radio and 32 KHz RTC crystals
  • Integrated SMPS
  • Ultra-low-power modes for battery longevity
  • 68 GPIOs
  • SWD, JTAG
  • Integrated IPD for best-in-class and reliable antenna matching
  • 1.8 V to 3.6 V VDD range
  • -40 °C to 85 °C temperature range
  • Built-in security features such as: secure firmware installation (SFI) for radio stack, customer key storage/key management services, PKA, AES 256-bit, TRNG, PCROP, CRC, 96-bit UID, possibility to derive 802.15.4 and Bluetooth® Low Energy 48-bit UEI
  • Certifications: CE, FCC, IC, JRF, SRRC, RoHS, REACH, GOST, KC, NCC
  • Two layers PCB compatible (using external raw pins only)

Applications

  • Lighting and home automation
  • Wireless audio devices
  • Wellness, healthcare, personal trackers
  • Gaming and toys
  • Smart locks
  • Beacons and accessories
  • Industrial

 

STM32WB5MMG Circuit Diagram

STMicroelectronics – STM32WB5MMG Wireless Module Circuit Diagram

 

Memory In the Product Line

STMicroelectronics – STM32WB5MMG Wireless Module Memory Size

 

 

STMicroelectronics STM32WB10/15CC Multiprotocol wireless 32-bit MCU

Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz with 320 Kbyte of Flash memory, Bluetooth LE 5.2

The STM32WB10/15CC multiprotocol wireless and ultra-low-power device embeds a powerful and ultra-low-power radio compliant with the Bluetooth® Low Energy SIG specification 5.2. It contains a dedicated Arm® Cortex®-M0+ for performing all the real-time low layer operation. The device is designed to be extremely low-power and is based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 64 MHz. This core features a Floating point unit (FPU) single precision that 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) that enhances application security.

Enhanced inter-processor communication is provided by the IPCC with six bidirectional channels. The HSEM provides hardware semaphores used to share common resources between the two processors.

The device embeds high-speed memories (320 Kbyte of Flash memory, 48 Kbytes of SRAM) and an extensive range of enhanced I/Os and peripherals. Direct data transfer between memory and peripherals and from memory to memory is supported by seven DMA channels with a full flexible channel mapping by the DMAMUX peripheral.

The device features several mechanisms for embedded Flash memory and SRAM: readout protection, write protection and proprietary code readout protection. Portions of the memory can be secured for Cortex® -M0+ exclusive access. The AES encryption engine, PKA and RNG enable upper layer cryptography.

The STM32WB10/15CC offers a fast 12-bit ADC but STM32WB15CC has one ultra-low-power comparator in addition.

The device embeds a low-power RTC, one advanced 16-bit timer, one general-purpose32-bit timer, and two 16-bit low-power timers.

In addition, up to three capacitive sensing channels are available for STM32WB10CC, eight channels for STM32WB15CC.

The STM32WB10CC also features standard and advanced communication interfaces, namely one USART (ISO 7816, IrDA, Modbus and Smartcard mode), one I2C (SMBus/PMBus), one SPI up to 32 MHz. STM32WB15CC has one low - power UART (LPUART) in addition.

The STM32WB10CC operates in the -10 to +85 °C (+105 °C junction) temperature range from a 2.0 to 3.6 V power supply.

The STM32WB15CC operates in the -40 to +85 °C (+105 °C junction) and -40 to +105 °C (+125 °C junction) temperature ranges from a 1.71 to 3.6 V power supply.

A comprehensive set of power-saving modes enables the design of low-power applications.

The STM32WB15CC integrates a high efficiency SMPS step-down converter with automatic bypass mode capability when the VDD falls below VBORx (x=1, 2, 3, 4) voltage level (default is 2.0 V).

The device includes independent power supplies for analog input for ADC and STM32WB15CC is equipped with an extra comparator.

A VBAT dedicated supply allows the device to back up the LSE 32.768 kHz oscillator, the RTC and the backup registers, thus enabling the STM32WB10/15CC to supply these functions even if the main VDD is not present through a CR2032-like battery, a Supercap or a small rechargeable battery.

The STM32WB10/15CC is available in a 48-pin UFQFPN package.

 

STM32wbx5 vs STM32wbx0

STMicroelectronics – STM32wbx5 vs STM32wbx0

 

All STM32WB15CC Features

  • Includes ST state-of-the-art patented technology
  • Radio
    • 2.4 GHz
    • RF transceiver supporting Bluetooth® 5.2 specification
    • RX sensitivity: -95.5 dBm (Bluetooth® Low Energy at 1 Mbps)
    • Programmable output power up to +5.5 dBm with 1 dB steps
    • Integrated balun to reduce BOM
    • Dedicated Arm® 32-bit Cortex® M0+ CPU for real-time Radio layer
    • Accurate RSSI to enable power control
    • Suitable for systems requiring compliance with radio frequency regulations
    • ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15 and ARIB STD-T66
    • Support for external PA
    • Available integrated passive device (IPD) companion chip for optimized matching solution (MLPF-WB-01E3)
  • Ultra-low-power platform
    • 1.71 to 3.6 V power supply
    • – 40 °C to 85 / 105 °C temperature ranges
    • 12 nA shutdown mode
    • 610 nA Standby mode + RTC + 48 KB RAM
    • Active-mode MCU: 33 µA / MHz when RF and SMPS on
    • Radio: Rx 4.5 mA / Tx at 0 dBm 5.2 mA
  • Core: Arm® 32-bit Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from Flash memory, frequency up to 64 MHz, MPU, 80 DMIPS and DSP instructions
  • Performance benchmark
    • 1.25 DMIPS/MHz (Drystone 2.1)
  • Supply and reset management
    • High efficiency embedded SMPS step-down converter with intelligent bypass mode
    • Ultra-safe, low-power BOR (brownout reset) with five selectable thresholds
    • Ultra-low-power POR/PDR
    • Programmable voltage detector (PVD)
    • VBAT mode with RTC and backup registers
  • Clock sources
    • 32 MHz crystal oscillator with integrated trimming capacitors (Radio and CPU clock)
    • 32 kHz crystal oscillator for RTC (LSE)
    • Internal low-power 32 kHz RC (LSI1)
    • Internal low-drift 32 kHz RC (LSI2)
    • Internal multispeed 100 kHz to 48 MHz oscillator, factory-trimmed
    • High speed internal 16 MHz factory trimmed RC
    • 1x PLL for system clock and ADC
  • Memories
    • 320 KB Flash memory with sector protection (PCROP) against R/W operations, enabling radio stack and application
    • 48 KB SRAM, including 36 KB with hardware parity check
    • 20x32-bit backup register
    • Boot loader supporting USART, SPI, I2C interfaces
    • 1 Kbyte (128 double words) OTP
  • Rich analog peripherals (down to 1.62 V)
    • 12-bit ADC 2.5 Msps, 190 µA/Msps
    • 1x ultra-low-power comparator
  • System peripherals
    • Inter processor communication controller (IPCC) for communication with Bluetooth® Low Energy
    • HW semaphores for resources sharing between CPUs
    • 1x DMA controller (7x channels) supporting ADC, SPI, I2C, USART, AES, timers
    • 1x USART (ISO 7816, IrDA, SPI Master, Modbus and Smartcard mode)
    • 1x LPUART (low power)
    • 1x SPI 32 Mbit/s
    • 1x I2C (SMBus/PMBus)
    • Touch sensing controller, up to eight sensors
    • 1x 16-bit, four channels advanced timer
    • 1x 32-bit, four channels timer
    • 2x 16-bit ultra-low-power timer
    • 1x independent Systick
    • 1x independent watchdog
    • 1x window watchdog
  • Security and ID
    • Secure firmware installation (SFI) for Bluetooth® Low Energy SW stack
    • 2x hardware encryption AES maximum 256-bit for the application and the Bluetooth® Low Energy
    • HW public key authority (PKA)
    • Cryptographic algorithms: RSA, Diffie-Helman, ECC over GF(p)
    • True random number generator (RNG)
    • Sector protection against R/W operation (PCROP)
    • CRC calculation unit
    • Die information: 96-bit unique ID
    • IEEE 64-bit unique ID. Possibility to derive Bluetooth® Low Energy 48-bit EUI
  • Up to 37 fast I/Os, 35 of them 5 V-tolerant
  • Development support
    • Serial wire debug (SWD), JTAG for the application processor
    • Application cross trigger
  • All packages are ECOPACK2 compliant

 

STM32WB15CC Circuit Diagram

STMicroelectronics – STM32WB15CC Wireless MCU Circuit Diagram

 

More From STM32WBx5 Product Line

STMicroelectronics – STM32WBx5 Wireless MCU Memory Size

 

Development Ecosystem

A variety of STM32WB evaluation boards from Nucleos to Discovery boards, together with STM32Cube Ecosystem, form a consistent set of hardware and software development tools to quickly and easily start developing your application across the whole STM32WB portfolio.

 

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STMicroelectronics – STM32WB5MMG Wireless Module

 

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