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README.md

STM32F446-Nucleo BSP Introduction

中文

MCU: STM32F446ZE @180MHz, 512KB FLASH, 128KB RAM

The STM32F446xC/E devices are based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 180 MHz. The Cortex-M4 core features a floating point unit (FPU) single precision supporting 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.

The STM32F446xC/E devices incorporate high-speed embedded memories (Flash memory up to 512 Kbytes, up to 128 Kbytes of SRAM), up to 4 Kbytes of backup SRAM, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix. All devices offer three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpose 16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers. They also feature standard and advanced communication interfaces.

KEY FEATURES

  • 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 180 MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions

  • Memories

    • 512 Kbytes of Flash memory
    • 128 Kbytes of SRAM
    • Flexible external memory controller with up to 16-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND Flash memories
    • Dual mode QuadSPI interface
  • LCD parallel interface, 8080/6800 modes

  • Clock, reset and supply management

    • 1.7 V to 3.6 V application supply and I/Os
    • POR, PDR, PVD and BOR
    • 4 to 26 MHz crystal oscillator
    • Internal 16 MHz factory-trimmed RC (1% accuracy)
    • 32 kHz oscillator for RTC with calibration
    • Internal 32 kHz RC with calibration
  • Low power

    • Sleep, Stop and Standby modes
    • VBAT supply for RTC, 20×32 bit backup registers plus optional 4 KB backup SRAM
  • 3× 12-bit, 2.4 MSPS ADC: up to 24 channels and 7.2 MSPS in triple interleaved mode

  • 2× 12-bit D/A converters

  • General-purpose DMA: 16-stream DMA controller with FIFOs and burst support

  • Up to 17 timers: 2x watchdog, 1x SysTick timer and up to twelve 16-bit and two 32-bit timers up to 180 MHz, each with up to four IC/OC/PWM or pulse counter

  • Debug mode

    • SWD and JTAG interfaces
    • Cortex®-M4 Trace Macrocell™
  • Up to 114 I/O ports with interrupt capability

    • Up to 111 fast I/Os up to 90 MHz
    • Up to 112 5 V-tolerant I/Os
  • Up to 20 communication interfaces

    • SPDIF-Rx
    • Up to 4× I2C interfaces (SMBus/PMBus)
    • Up to four USARTs and two UARTs (11.25 Mbit/s, ISO7816 interface, LIN, IrDA, modem control)
    • Up to four SPIs (45 Mbits/s), three with muxed I2S for audio class accuracy via internal audio PLL or external clock
    • 2x SAI (serial audio interface)
    • 2× CAN (2.0B Active)
    • SDIO interface
    • Consumer electronics control (CEC) I/F
  • Advanced connectivity

    • USB 2.0 full-speed device/host/OTG controller with on-chip PHY
    • USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY and ULPI
    • Dedicated USB power rail enabling on-chip PHYs operation throughout the entire MCU power supply range
  • 8- to 14-bit parallel camera interface up to 54 Mbytes/s

  • CRC calculation unit

  • RTC: subsecond accuracy, hardware calendar

  • 96-bit unique ID

Read more

Documents Description
STM32_Nucleo-144_BSP_Introduction How to run RT-Thread on STM32 Nucleo-144 boards (Must-Read)
STM32F446ZE ST Official Website STM32F446ZE datasheet and other resources

Maintained By

qihengchuan8888@163.com

Translated By

Meco Man @ RT-Thread Community

jiantingman@foxmail.com

https://github.com/mysterywolf