STM32F412开发套件 - CSDN文库

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ST STM32F412ZG32 位 ARM MCU Discovery 套件开发方

案

时间：2016-11-24 10:45:01 作者：ST 来源：中电网

ST 公司的 STM32F412XE/G 是基于高性能 ARM® Cortex® -M4 32 位 RISC 核的 MCU,工

作频率高达 100MHz,内核具有浮点单元(FPU),支持所有 ARM 单精度数据处理指令和数据类

型,还能执行所有 DSP 指令,而存储器保护单元(MPU)则增强了应用安全性,集成了高达 1MB

闪存和 256KB SRAM,工作电压 1.7 V- 3.6 V,主要用在马达驱动和应用控制,医疗设备,工业

应用如 PLC,逆变器,电路断路器,打印鸡和扫描仪,告警系统,HVAC,家用音频设备,可穿戴设

备和 Wi-Fi 模块等.本文介绍了 STM32F412XE/G 主要特性,框图,以及 Discovery 套件

32F412GDISCOVERY 主要特性,框图,电路图,材料清单和 PCB 元件布局图.

The STM32F412XE/G devices are based on the high-performance ARM® Cortex® -M4

32- bit RISC core operating at a frequency of up to 100 MHz. Their Cortex®-M4 core

features a Floating point unit (FPU) single precision which supports 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) which enhances application

security.

The STM32F412XE/G belong to the STM32 Dynamic Efficiency™ product line (with

products combining power efficiency, performance and integration) while adding a new

innovative feature called Batch Acquisition Mode (BAM) allowing to save even more

power consumption during data batching. The STM32F412XE/G incorporate high-speed

embedded memories (up to 1 Mbyte of Flash memory, 256 Kbyte of SRAM), 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. All devices offer one 12-bit ADC, a

low-power RTC, twelve general-purpose 16-bit timers, two PWM timer for motor control

and two general-purpose 32-bit timers. They also feature standard and advanced

communication interfaces.

• Up to four I2Cs, including one I2C supporting Fast-Mode Plus

• Five SPIs

• Five I2Ss out of which two are full duplex. To achieve audio class accuracy, the I2S

peripherals can be clocked via a dedicate internal audio PLL or via an external clock to

allow synchronization.

• Four USARTs

• An SDIO/MMC interface

• An USB 2.0 OTG full-speed interface

• Two CANs.

In addition, the STM32F412xE/G embed advanced peripherals:

• A flexible static memory control interface (FSMC)

• A Quad-SPI memory interface

• A digital filter for sigma modulator (DFSDM), two filters, up to four inputs, and support of

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