Overview
The STM32F446VET7 is a high-performance microcontroller from STMicroelectronics, part of the STM32F446xC/E series. It is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU), which supports all Arm® single-precision data-processing instructions and data types. The Cortex-M4 core operates at a frequency of up to 180 MHz and includes a memory protection unit (MPU) for enhanced application security. This microcontroller is designed for applications requiring high computational performance, advanced peripherals, and low power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 180 MHz |
| Flash Memory | 512 Kbytes |
| SRAM | 128 Kbytes + 4 Kbytes backup SRAM |
| External Memory Controller | Up to 16-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND Flash |
| ADCs | 3 × 12-bit, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| DACs | 2 × 12-bit |
| 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 20 interfaces including USARTs, UARTs, SPIs, I2Cs, CAN, USB OTG, and more |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Operating Temperature | -40°C to 85°C (Industrial grade) |
| Package | LQFP 100 14x14x1.4 mm |
Key Features
- High-Performance Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait state execution from Flash memory.
- Memories: 512 Kbytes of Flash memory, 128 Kbytes of SRAM, and flexible external memory controller.
- Analog and Digital Converters: Three 12-bit ADCs and two 12-bit DACs.
- Timers and Counters: Up to seventeen timers including watchdog, SysTick, and general-purpose timers.
- Communication Interfaces: Multiple USARTs, UARTs, SPIs, I2Cs, CAN, USB OTG, and other advanced communication interfaces.
- Low Power Modes: Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- Debug and Trace: SWD and JTAG interfaces, Cortex®-M4 Trace Macrocell™.
- I/Os and Peripherals: Up to 114 I/O ports with interrupt capability, up to 111 fast I/Os, and up to 112 5 V-tolerant I/Os.
Applications
- Industrial Automation: Motor control, industrial control systems, and automation.
- Consumer Electronics: Smart home devices, audio equipment, and consumer appliances.
- Medical Devices: Medical diagnostic equipment, patient monitoring systems, and portable medical devices.
- Automotive Systems: In-vehicle infotainment, driver assistance systems, and automotive control units.
- IoT and Wireless Applications: IoT devices, wireless sensors, and communication modules.
Q & A
- What is the core architecture of the STM32F446VET7?
The STM32F446VET7 is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- How much Flash and SRAM memory does the STM32F446VET7 have?
The STM32F446VET7 has 512 Kbytes of Flash memory and 128 Kbytes of SRAM, plus an optional 4 Kbytes of backup SRAM.
- What are the key analog peripherals of the STM32F446VET7?
The key analog peripherals include three 12-bit ADCs and two 12-bit DACs.
- What communication interfaces are available on the STM32F446VET7?
The microcontroller features multiple USARTs, UARTs, SPIs, I2Cs, CAN, USB OTG, and other advanced communication interfaces.
- What are the low power modes supported by the STM32F446VET7?
The STM32F446VET7 supports Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- What debug and trace capabilities does the STM32F446VET7 offer?
The microcontroller includes SWD and JTAG interfaces, as well as the Cortex®-M4 Trace Macrocell™.
- How many I/O ports does the STM32F446VET7 have?
The STM32F446VET7 has up to 114 I/O ports with interrupt capability.
- What is the operating temperature range of the STM32F446VET7?
The operating temperature range is -40°C to 85°C (Industrial grade).
- What package options are available for the STM32F446VET7?
The STM32F446VET7 is available in an LQFP 100 14x14x1.4 mm package.
- Is the STM32F446VET7 RoHS compliant?
