STM32F446RET7TR

Number of I/O:	50
Operating Temperature:	-40°C ~ 105°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 16x12b, D/A 2x12b
Voltage - Supply (Vcc/Vdd):	1.7 V ~ 3.6 V
RAM Size:	128K x 8
EEPROM Size:	--
Program Memory Type:	FLASH
Program Memory Size:	512KB (512K x 8)
Series:	STM32F4
Peripherals:	Brown-out Detect/Reset, DMA, I²S, LVD, POR, PWM, WDT
Connectivity:	CANbus, EBI/EMI, I²C, IrDA, LINbus, SAI, SD, SPDIF-Rx, SPI, UART/USART, USB, USB OTG
Speed:	180MHz
Core Size:	32-Bit
Core Processor:	ARM® Cortex®-M4
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The STM32F446RET7TR is a microcontroller from STMicroelectronics. It is equipped with 32KB of non-volatile memory, featuring DSP-enabled instructions and on-chipFlash memory for data storage and retrieval. It has an ARM Cortex-M4 core and can offer processing rates of up to 80MHz clock rate. It supports up to 16 channels for analogue inputs, and a range of communication protocols including I2C, SPI, UART and USB.

Application Field

The microcontroller can be used in a range of applications due to its wide range of features. Its processing capabilities make it suitable for embedded applications, where the controller is expected to manage interrupts, wait states and pre-emptive task scheduling. Its communication protocols are useful for connecting with a range of peripherals, such as sensors or display units, or communicating with other microcontrollers over a network. It is also suitable for applications requiring real-time data acquisition and processing.

Working Principle

The STM32F446RET7TR works by executing instructions stored in its memory. These instructions include both processor instructions and DSP-enabled instructions, which enable the controller to perform mathematical computations on data. When a request is sent to the microcontroller, it initiates an interrupt which sets off the instruction fetch-execute cycle. The microcontroller retrieves data from the memory and prepares it for execution by the processor. This is followed by the instruction being executed, before the processor sends an acknowledgement of completion. All the tasks that the microcontroller is responsible for can be programmed using either C or assembly language. The microcontroller can be connected to a range of peripherals for data acquisition and further processing.

The STM32F446RET7TR is a sophisticated microcontroller, with many features to help make the most of its processing capability. It is suitable for a wide range of embedded applications, as well as applications requiring real-time data processing. In addition to itspowerful processor, the microcontroller also has a wide range of communication protocols, making it suitable for connecting with an extensive range of peripherals. By programming the microcontroller using either C or assembly language, the user can take full advantage of the advanced features of this controller.

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