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ST Microelectronics introduces new high-performance ARM Cortex-M microcontrollers

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article image STM32 F4 microcontroller
ST Microelectronics  extends its performance lead in semiconductors for smarter embedded electronics with the introduction of a new range of ARM Cortex-M microcontrollers.

Extending the existing STM32 F4 portfolio, the new STM32 F427 and F437 microcontrollers meet the needs of customers in the energy, medical technology and wireless markets. Designers of smart, connected embedded electronics for applications such as utility metering, renewable energy and healthcare have begun adopting the new class-leading microcontrollers to meet demands for extra features, performance and efficiency in their embedded systems.

ST confirms its performance lead among devices using the advanced ARM Cortex-M4 core by combining the highest-performing version of this core with a large Flash memory storage and extra SRAM for running richer applications, extra communication ports, enhanced security, and best-in-class power consumption. These features in ST’s new ARM Cortex-M microcontrollers help speed up software design, enhance application performance and maximise battery life.

Michel Buffa, General Manager, Microcontroller Division, ST Microelectronics explains that the sophisticated features and connectivity of the newest STM32 microcontrollers bring exceptional user experiences to everyday electronic products. ST is already working with lead customers to design the extended STM32 F4 variants, which provide up to 2 Mbytes of Flash memory into applications such as smart meters, solar panel controllers, wireless modules and personal medical monitors.

With large on-chip Flash memory of 1 Mbyte or 2 Mbytes, the extended STM32 F4 devices enable developers to create more feature-rich applications and accelerate project completion by programming with high-level languages such as Java, Microsoft .Net or uClinux.

Using high-level languages also allows embedded system developers to take advantage of software advances for desktop applications. All the extended 1 Mbyte and 2 Mbyte variants have 256 Kbyte SRAM, allowing designs using current devices with 1 Mbyte Flash and up to 192 Kbyte SRAM to move easily onto a microcontroller with higher SRAM if required.

The STM32 F437 series provides enhanced security to protect the product developer’s IP and end-user data against unauthorised access or tampering. With additional industry-standard security algorithms now included in the cryptographic and hash co-processor, these devices support MD5, SHA-1 and SHA-2 secure hash algorithms, AES GCM (Advanced Encryption Standard Galois/Counter Mode), and CCM (Combined Cipher Machine).

Additional features of STM32 F427/437 ARM Cortex-M microcontrollers:

  • 4 KB + 80 Byte backup SRAM
  • Communication interfaces: 4x USART, 4x UART, 6x SPI, 3x I2C with digital filters, 2x CAN, SDIO, 2x USB OTG
  • Dedicated audio PLL and two full-duplex I2S channels
  • Ethernet 10/100 MAC with IEEE 1588 v2 support
  • 2x 12-bit DAC, 3x 12-bit ADC, up to 17 16/32-bit timers

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