Overview
The STM32F446ZET7, produced by STMicroelectronics, is a high-performance microcontroller based on the Arm® Cortex®-M4 32-bit RISC core. This device operates at a frequency of up to 180 MHz and features a floating point unit (FPU) and a full set of DSP instructions, enhancing its computational capabilities. The STM32F446ZET7 is part of the STM32F446xC/E series, which is designed for applications requiring high processing power and advanced peripherals.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator), up to 180 MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions |
| Memories | 512 Kbytes of Flash memory, 128 Kbytes of SRAM, 4 Kbytes of backup SRAM, Flexible external memory controller with up to 16-bit data bus |
| Interfaces | Dual mode QuadSPI interface, LCD parallel interface (8080/6800 modes), USB 2.0 full-speed device/host/OTG controller, USB 2.0 high-speed/full-speed device/host/OTG controller |
| ADCs/DACs | 3 × 12-bit, 2.4 MSPS ADCs (up to 24 channels and 7.2 MSPS in triple interleaved mode), 2 × 12-bit D/A converters |
| Timers | Up to 17 timers: 2x watchdog, 1x SysTick timer, and up to twelve 16-bit and two 32-bit timers |
| Communication Interfaces | Up to four USARTs, two UARTs, four SPIs, two SAI (serial audio interface), two CAN (2.0B Active), SDIO interface, CEC I/F |
| Power Management | 1.7 V to 3.6 V application supply and I/Os, POR, PDR, PVD and BOR, Sleep, Stop and Standby modes, VBAT supply for RTC |
| Operating Temperature | -40°C to 85°C (Industrial grade) |
| Package | LQFP 144 20x20x1.4 mm |
Key Features
- High-performance Arm® Cortex®-M4 CPU with FPU and DSP instructions
- Adaptive real-time accelerator (ART Accelerator) for 0-wait state execution from Flash memory
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix
- Flexible external memory controller with support for SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND Flash memories
- Advanced communication interfaces including USB, SPI, I2C, CAN, and SDIO
- Low power modes: Sleep, Stop, and Standby
- VBAT supply for RTC and backup registers plus optional 4 KB backup SRAM
- General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
- Debug mode with SWD and JTAG interfaces, Cortex®-M4 Trace Macrocell™
Applications
The STM32F446ZET7 is suitable for a wide range of applications that require high processing power, advanced peripherals, and low power consumption. These include:
- Industrial automation and control systems
- Medical devices requiring precise data processing and communication
- Consumer electronics such as audio and video devices
- Automotive systems, including advanced driver-assistance systems (ADAS)
- IoT devices that need robust communication and processing capabilities
Q & A
- What is the core architecture of the STM32F446ZET7?
The STM32F446ZET7 is based on the Arm® Cortex®-M4 32-bit RISC core with an FPU and DSP instructions.
- What is the maximum operating frequency of the STM32F446ZET7?
The maximum operating frequency is up to 180 MHz.
- How much Flash and SRAM memory does the STM32F446ZET7 have?
The device has 512 Kbytes of Flash memory and 128 Kbytes of SRAM, along with 4 Kbytes of backup SRAM.
- What types of communication interfaces are available on the STM32F446ZET7?
The device features USB, SPI, I2C, CAN, SDIO, and other advanced communication interfaces.
- Does the STM32F446ZET7 support low power modes?
Yes, it supports Sleep, Stop, and Standby modes to reduce power consumption.
- What is the operating temperature range for the STM32F446ZET7?
The operating temperature range is -40°C to 85°C (Industrial grade).
- What package options are available for the STM32F446ZET7?
The device is available in LQFP 144 20x20x1.4 mm package.
- Does the STM32F446ZET7 have any specific features for motor control?
Yes, it includes timers with IC/OC/PWM or pulse counter capabilities, suitable for motor control applications.
- How many ADC and DAC channels does the STM32F446ZET7 have?
The device has three 12-bit ADCs and two 12-bit DACs.
- Does the STM32F446ZET7 support real-time clock (RTC) functionality?
Yes, it includes an RTC with subsecond accuracy and hardware calendar.
- What debug interfaces are available on the STM32F446ZET7?
The device supports SWD and JTAG interfaces, along with the Cortex®-M4 Trace Macrocell™.
