Overview
The STM32F446RET6TR is a high-performance microcontroller from STMicroelectronics, based on the Arm Cortex-M4 32-bit RISC core. This microcontroller operates at a frequency of up to 180 MHz and features a floating point unit (FPU) single precision, supporting all Arm single-precision data-processing instructions and data types, along with a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security. It integrates extensive memories, including 512 Kbytes of Flash memory, 128 Kbytes of SRAM, and up to 4 Kbytes of backup SRAM. The device is known for its rich set of peripherals and interfaces, making it suitable for a variety of applications including industrial, consumer, and IoT devices.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Supply Voltage Min Volt | 1.8 | Supply Voltage Max Volt | 3.6 |
| Operating Temp Min Celsius | -40.0 | Operating Temp Max Celsius | 85.0 |
| Core | Arm Cortex-M4 | ECCN US | 3A991.a.2 |
| ECCN EU | NEC | Packing Type | Tape And Reel |
| Grade | Industrial | Package/Case | LQFP 64 |
| Flash Memory | 512 Kbytes | SRAM | 128 Kbytes |
| Backup SRAM | Up to 4 Kbytes | ADCs | 3 × 12-bit, up to 24 channels |
| DACs | 2 × 12-bit | Timers | Up to 17 (12 × 16-bit, 2 × 32-bit) |
| Communication Interfaces | Up to 20 (including USB, USART, SPI, I2C, CAN) | I/O Ports | Up to 114 with interrupt capability |
Key Features
- Power Consumption Control: The microcontroller features low power modes such as Sleep, Stop, and Standby, along with a VBAT supply for the RTC and backup registers.
- LCD Display Interface Support: It includes an LCD parallel interface supporting 8080/6800 modes.
- High-Speed SPI Bus: The device supports up to four SPI interfaces with speeds up to 45 Mbits/s.
- Crypto Accelerator Engine: Enhances security with cryptographic acceleration.
- Advanced Analog Features: Includes three 12-bit ADCs, two 12-bit DACs, and a low-power RTC.
- Extensive Peripherals and Interfaces: Supports a wide range of communication interfaces such as USB, USART, SPI, I2C, CAN, and more.
Applications
- Industrial Control Systems: Suitable for industrial automation and control due to its advanced motor control timers and robust peripheral set.
- Consumer Electronics: Ideal for consumer electronics applications requiring high performance and low power consumption.
- Medical Devices: Efficient in medical device applications due to its precision and reliability.
- Automotive Applications: Used in automotive systems for its robustness and wide operating temperature range.
- Internet of Things (IoT) Devices: Commonly used in IoT devices and smart home applications for its high performance and extensive peripheral support.
Q & A
- What is the core technology of the STM32F446RET6TR?
The STM32F446RET6TR is based on the Arm Cortex-M4 32-bit RISC core with a floating point unit (FPU) single precision.
- What is the maximum operating frequency of the STM32F446RET6TR?
The maximum operating frequency is up to 180 MHz.
- What types of memory does the STM32F446RET6TR have?
The device includes 512 Kbytes of Flash memory, 128 Kbytes of SRAM, and up to 4 Kbytes of backup SRAM.
- What are the key analog features of the STM32F446RET6TR?
The device features three 12-bit ADCs, two 12-bit DACs, and a low-power RTC.
- What communication interfaces are supported by the STM32F446RET6TR?
The device supports up to 20 communication interfaces including USB, USART, SPI, I2C, and CAN.
- What are the low power modes available in the STM32F446RET6TR?
The device features low power modes such as Sleep, Stop, and Standby, along with a VBAT supply for the RTC and backup registers.
- What is the operating temperature range of the STM32F446RET6TR?
The operating temperature range is from -40°C to 85°C.
- What package type is the STM32F446RET6TR available in?
The device is available in a 64-pin LQFP package.
- Is the STM32F446RET6TR RoHS compliant?
Yes, the STM32F446RET6TR is lead-free and RoHS compliant.
- What are some common applications of the STM32F446RET6TR?
The device is commonly used in industrial control systems, consumer electronics, medical devices, automotive applications, and IoT devices.
