STM32 F4 Microcontroller

Based on the Cortex-M4 core, the STM32 F4, from STMicroelectronics, opens the door to the digital signal controller (DSC) market

STM32 F4 MicrocontrollerSTMicroelectronics is widening its target applications arena with the STM32 F4 series. Based on the Cortex-M4 core, this series opens the door to the digital signal controller (DSC) market. This extension to their STM32 product portfolio offers devices with pin-to-pin and software compatibility with the STM32 F2 series, but with more performance, DSP capability, a floating point unit, more SRAM, and peripheral improvements such as full duplex I²S, less than 1 µA RTC and 2.44 MSPS ADCs. The ARM Cortex-M4 core features built-in single-cycle multiply-accumulate (MAC) instructions, optimized SIMD arithmetic and saturating arithmetic instructions. The adaptive realtime ART Accelerator™ combined with ST’s 90 nm technology provides linear performance up to 168 MHz, unleashing the full performance of the core. These features expand the number of addressable applications in the industrial, consumer and healthcare segments.


  • Performance
    • Coremark score: 363.17 at 168 MHz, Coremark/MHz: 2.162
    • Dhrystone score: 210 at 168 MHz
    • Power consumption
    • 230 µA/MHz at 168 MHz running Coremark benchmark from Flash memory (peripherals off)
    • 1.2 V voltage regulator with power scaling capability
    • 1.8 V to 3.6 V VDD
    • <1 µA typ RTC
  • High-speed data transfer
    • 7 masters, 8 slaves on the multi AHB bus matrix
  • Faster peripherals
    • USART: 10.5 Mbit/s
    • SPI: 37.5 Mbit/s
    • ADC: 2.44 MSPS
Published: 2012-06-29