带有DSP和FPU指令的STM32F4系列高性能微控制器

基于ARM®  Cortex®-M4的STM32F4系列MCU采用了意法半导体的NVM工艺和ART加速器™,在180 MHz的工作频率下通过闪存执行指令时可实现225 DMIPS/608 CoreMark的性能,是迄今所有基于Cortex-M内核的微控制器产品所达到的最高性能得分。
由于采用了动态功耗调整功能,通过闪存执行指令时的电流消耗范围为从STM32F410的89 µA/MHz到STM32F439的260 µA/MHz。
STM32F4系列包括八条兼容的数字信号控制器(DSC)产品线,是MCU实时控制功能与DSP信号处理功能的完美结合体:

  • 高级系列: 
    • 180 MHz CPU/225 DMIPS,高达2MB的双区闪存,带SDRAM控制器和 Chrom-ART加速器
      • STM32F469/479 – Quad-SPI接口、LCD-TFT控制器和MPI-DSI接口
      • STM32F429/439 –  LCD-TFT控制器
      • STM32F427/437 – 串行音频接口,具有更高的性能和更低的静态功耗
  • 基础系列:
    • STM32F446  – 180 MHz/225 DMIPS,高达512 KB的Flash,具有Dual Quad SPI和SDRAM接口
    • STM32F407/417 – 168 MHz CPU/210 DMIPS,高达1 MB的闪存(Flash),增加了以太网MAC和照相机接口
    • STM32F405/415 – 168 MHz CPU/210 DMIPS,高达1MB闪存、具有先进互联功能和加密功能
  • 入门型系列: 基于最低成本考虑的 STM32F4系列
    • 84 MHz CPU/105 DMIPS,尺寸最小、成本最低的解决方案,具有卓越的动态功耗效率
      • STM32F401 – 尺寸不到3 x 3mm,具有USB OTG2.0FS和SDIO接口
    • 100 MHz CPU/125 DMIPS,具有卓越的动态功 耗效率和批采集模式(BAM,一种新型面向数据批处理的 利用DMA智能优化功耗的模式)。
      • STM32F410 – 卓越能效的新里程碑(运行模式下89 µA/MHz和停机模式下6 µA),配备硬件随机数发生器、低功耗定时器和DAC。 
      • STM32F411 – 高RAM容量和增强型外设集,如USB OTG2.0FS和最多5个SPI。
      • STM32F412 – 高RAM和闪存容量,USB接口,增强型外设集,包括灵活的外部静态存储器控制器(高达16位的数据总线,用于LCD和外部存储器控制),双QUAD SPI、CAN、DFSDM和TRNG。

STM32F4 Access lines: Entry level and still an F4!

The STM32F4 Access lines are made of STM32F401STM32F410,STM32F411 and STM32F412 devices. They are the entry-level STM32F4 microcontrollers for cost-conscious applications requiring performance, energy efficiency, integration and connectivity.

Access lines, but still with performance and power efficiency:

  • Performance up to 100 MHz/ 125 DMIPS with dynamic efficiency down to 89 µA/MHz in Run mode
  • ST's Adaptive Real Time (ART) accelerator allowing zero-wait execution from embedded Flash memory
  • Batch Acquisition Mode (BAM) for Always-on data collection, even when the core is stopped, and dynamic power scaling
  • Low-power digital microphone interface for acquisition of up to 4 microphones

Access lines, but still with high integration and compactness:

  • Wide memory choice from 128 Kbytes of Flash / 32 Kbytes of RAM up to 1 Mbyte of Flash / 256 Kbytes of RAM
  • Smallest Cortex-M4 based device available in the entire STM32 portfolio, down to 2.553 mm x 2.579 mm

Access lines, but still with rich connectivity:

  • Up to 10 UARTs, USB OTG FS, 2xCANs,  and up to 5 SPI/I2S interfaces
  • LCD parallel interface, 8080/6800 modes
  • QSPI and FMC parallel interfaces supporting a large choice of external memory types

STM32F469/F479 – enabling integrated IOT and wearable applications with advanced graphic user interface

The new STM32F469/479 product lines deliver high performance capability coupled with large memory resources and advanced graphic features enabling rich Internet of things and wearable application.

  • 180 MHz/225 DMIPS, FPU and DSP capabilities 
  • 2 Mbytes of internal Flash and 384 Kbytes of internal RAM
  • Chrom-ART accelerator for more animation and graphic effects
  • World first MCU embedding MIPI-Display Serial Interface  controller
  • TFT-LCD and parallel display interfaces
  • Extended connectivity including memory extensions, Ethernet, USB, SD/MMC and camera interfaces

The integrated MIPI-DSI controller opens the door to the most modern displays coming with higher pixel density, fewer pins, lower EMI and lower power consumption.

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