STMicroelectronics STM32F446RCT7TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F4
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 180MHz
Connectivity CANbus, EBI/EMI, I2C, IrDA, LINbus, SAI, SD, SPDIF-Rx, SPI, UART/USART, USB, USB OTG
Peripherals Brown-out Detect/Reset, DMA, I2S, LVD, POR, PWM, WDT
Number of I/O 50
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 128K x 8
Voltage - Supply (Vcc/Vdd) 1.7V ~ 3.6V
Data Converters A/D 16x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-LQFP (10x10)
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F446RCT7TR is a high-performance microcontroller from STMicroelectronics, built on the ARM Cortex-M4 core with floating-point unit. It operates at up to 180 MHz, delivering exceptional computational throughput for advanced embedded applications. With 256KB of flash and 128KB of SRAM, it provides ample memory for complex algorithms and data buffering. The device supports a wide supply voltage range from 1.7V to 3.6V and is housed in a compact 64-LQFP package. Its rich peripheral set includes DMA, I2S, PWM, and multiple safety features, making it a versatile choice for industrial, audio, and IoT designs.

  • High Performance: 180MHz Cortex-M4 core with FPU accelerates math-intensive tasks and real-time control.
  • Flexible Power: Wide 1.7V-3.6V range supports battery and standard 3.3V systems.
  • Rich Connectivity: I2S and DMA enable efficient audio and high-speed data transfer without CPU load.
  • Robust Operation: Extended temperature range (-40°C to 105°C) ensures reliability in harsh environments.

Industrial Motor Control

The 180MHz Cortex-M4 core with FPU and advanced PWM timers enables precise, high-frequency motor control loops for brushless DC and stepper motors.

Audio Processing

Integrated I2S interfaces and DMA support high-fidelity audio streaming with minimal CPU overhead, ideal for audio effects processors and voice recognition systems.

IoT Edge Nodes

With a wide voltage range and low-power modes, it serves as a capable edge controller for sensor fusion, data preprocessing, and secure communication in IoT gateways.

Portable Medical Devices

The 1.7V operation and 105°C temperature rating allow for battery-powered, compact diagnostic tools that require reliable operation in varied environments.

Human-Machine Interface (HMI)

Its processing power supports graphical displays and touch sensing, enabling responsive user interfaces for industrial panels and consumer electronics.

Power Conversion

High-speed ADC and PWM capabilities make it suitable for digital power supplies and inverters, enabling real-time feedback control for efficiency optimization.

Q: What is the maximum operating frequency of the STM32F446RCT7TR?
A: The STM32F446RCT7TR operates at up to 180 MHz, providing high-performance processing for demanding applications.
Q: What is the supply voltage range?
A: It supports a supply voltage range of 1.7V to 3.6V, enabling flexible power design.
Q: How much flash memory and RAM does it include?
A: It features 256KB of flash memory and 128KB of SRAM, suitable for complex firmware.
Q: What package is available?
A: It comes in a 64-LQFP package, ideal for space-constrained PCB layouts.
Q: What are the key integrated peripherals?
A: It includes DMA, I2S, PWM, WDT, and brown-out detection for robust system design.
Base Product Number : STM32F446RCT7
128KB RAM 180MHz 256KB Flash 32-bit MCU 64-LQFP ARM Cortex-M4 Audio DMA I2S Industrial IoT PWM STM32F4 STM32F446RCT7TR
Q: What is the maximum operating frequency of the STM32F446RCT7TR?
A: The STM32F446RCT7TR operates at up to 180 MHz, providing high-performance processing for demanding applications.
Q: What is the supply voltage range?
A: It supports a supply voltage range of 1.7V to 3.6V, enabling flexible power design.
Q: How much flash memory and RAM does it include?
A: It features 256KB of flash memory and 128KB of SRAM, suitable for complex firmware.
Q: What package is available?
A: It comes in a 64-LQFP package, ideal for space-constrained PCB layouts.
Q: What are the key integrated peripherals?
A: It includes DMA, I2S, PWM, WDT, and brown-out detection for robust system design.