Keil Logo

STMicroelectronics STM32F446RE

ARM Cortex-M4, 180 MHz, 512 kB ROM, 128 kB RAM

The STM32F4 family incorporates high-speed embedded memories and an extensive range of enhanced I/Os and peripherals connected to two APB buses, three AHB buses and a 32-bit multi-AHB bus matrix. - 64-Kbyte of CCM (core coupled memory) data RAM - LCD parallel interface, 8080/6800 modes - Timer with quadrature (incremental) encoder input - 5 V-tolerant I/Os - Parallel camera interface - True random number generator - RTC: subsecond accuracy, hardware calendar - 96-bit unique ID

Core ARM Cortex-M4, FPU MPU 180 MHz
  • Processor:Cortex-M4, FPU MPU 180 MHz
Memory 128 kB RAM, 512 kB ROM
  • ROM:512 kB
  • RAM:128 kB
Clock & Power 1.80 V .. 3.60 V, 180 MHz
  • Supply Voltage:1.80 V .. 3.60 V Operating Voltage
  • Maximum Clock Frequency:180 MHz,
  • RTC:32 kHz
Communication SPI, I2C, UART, I2S, CAN, USART, USB, OTG, Other
  • SPI:4 x SPI
  • SPI:1 x Queued Serial Peripheral Interface
  • I2C:3 x I2C
  • UART:2 x UART
  • I2S:2 x I2S
  • CAN:2 x CAN
  • USB, OTG:1 x USB OTG
  • Other:2 x SAI Interface
Timer/Counter/PWM 2 x 32-bit Timer, 12 x 16-bit Timer
  • Watchdog:2 x Watchdog Timer
  • Timer/Counter:2 x 32-bit
  • Timer/Counter:12 x 16-bit
Analog 2-channel 12 bit DAC
  • DAC:2-channel x 12 bit DAC
I/O & Package -40 °C .. 85 °C
  • Operating Temperature Range:-40 °C .. 85 °C Operating Temperature Range
Development Tools
CMSIS Drivers
  • CAN Driver for STM32F4 Series
  • SPI Driver for STM32F4 Series
  • USART Driver for STM32F4 Series
  • I2C Driver for STM32F4 Series
  • MCI Driver for STM32F4 Series
  • Ethernet MAC Driver for STM32F4 Series
  • USB Device Full-Speed Driver for STM32F4 Series
  • USB Device High-Speed Driver for STM32F4 Series
  • USB Host Full-Speed Driver for STM32F4 Series
  • USB Host High-Speed Driver for STM32F4 Series
  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.