STM32W Series


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STM32W series of Wireless MCUs

The STM32W extends the STM32 family to the IEEE 802.15.4 wireless network domain bringing outstanding radio and low-power microcontroller performances.

  • Embedded 2.4 GHz IEEE 802.15.4 radio
  • Best-in-class code density, thanks to its ARM Cortex-M3 core
  • Low-power architecture
  • Open platform with extra resources for application integration:
    • Configurable I/Os, ADC, timers, SPI, UART
    • Main software libraries: RF4CE, IEEE 802.15.4 MAC

With a configurable total link budget up to 109 dB and the efficiency of the ARM Cortex-M3 core, the STM32W is a perfect fit for the wireless sensor network market.

The STM32W series includes devices with 64 to 256 Kbytes of on-chip Flash memory, up to 16 Kbytes of SRAM and is available in VFQFN40, UFQFN48 and VFQFN48 packages.

Part NumberPackageMarketing StatusCoreOperating Frequency(F) (Processor speed)FLASH Size (Prog)Data E2PROM nom (B)Internal RAM Size16-bit timers (IC/OC/PWM)32-bit timer (IC/OC/PWM)Other timer functionsA/D ConverterI/Os (High Current)Display controllerD/A ConverterIntegrated op-ampsSerial InterfaceSupply Voltage(Vcc) min (V)Supply Voltage(Vcc) max (V)Supply Current(Icc) (Lowest power mode) typ (µA)Supply Current(Icc) (Run mode (per Mhz)) typ (µA)Operating Temperature min (°C)Operating Temperature max (°C)
STM32W108C8UFQFPN 48 7x7x0.55NRNDARM Cortex-M32464-82x16-bit-WDG, RTC, IEEE 802.15.4 radio6x12-bit24---Up to 2xI2C;up to 2xSPI;1xUART2.13.60.4250-4085
STM32W108CBUFQFPN 48 7x7x0.55NRNDARM Cortex-M324128-82x16-bit-WDG, RTC, IEEE 802.15.4 radio6x12-bit24---Up to 2xI2C;up to 2xSPI;1xUART2.13.60.4250-4085
STM32W108CCUFQFPN 48 7x7x0.55NRNDARM Cortex-M324256-162x16-bit-WDG, RTC, IEEE 802.15.4 radio6x12-bit24---Up to 2xI2C;up to 2xSPI;1xUART2.13.60.4250-40105
STM32W108HBVFQFPN 40 6x6x1.0NRNDARM Cortex-M324128-82x16-bit-WDG, RTC, IEEE 802.15.4 radio6x12-bit18---Up to 2xI2C;up to 2xSPI;1xUART2.13.60.4250-4085