Overview
The STM32F446ZEJ6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F4 series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 180 MHz. This microcontroller is equipped with a floating-point unit (FPU) and supports all Arm® single-precision data-processing instructions and data types. It also includes a full set of DSP instructions and a memory protection unit (MPU) to enhance application security.
The device features 512 Kbytes of Flash memory, 128 Kbytes of SRAM, and up to 4 Kbytes of backup SRAM. It has an extensive range of enhanced I/Os and peripherals connected to multiple buses, including two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator), up to 180 MHz |
| Memories | 512 Kbytes of Flash memory, 128 Kbytes of SRAM, up to 4 Kbytes of backup SRAM |
| External Memory | Flexible external memory controller with up to 16-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND Flash memories |
| Interfaces | Dual mode QuadSPI interface, LCD parallel interface (8080/6800 modes), up to 20 communication interfaces |
| Supply Voltage | 1.7 V to 3.6 V application supply and I/Os |
| Operating Temperature | -40°C to 85°C |
| Clock and Oscillators | 4 to 26 MHz crystal oscillator, internal 16 MHz factory-trimmed RC (1% accuracy), 32 kHz oscillator for RTC with calibration |
| ADC/DAC | 3× 12-bit, 2.4 MSPS ADC (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 |
| I/Os | Up to 114 I/O ports with interrupt capability, up to 111 fast I/Os up to 90 MHz, up to 112 5 V-tolerant I/Os |
| Package | 144-UFBGA |
Key Features
- High-Performance Core: Arm® 32-bit Cortex®-M4 CPU with FPU and DSP instructions, operating at up to 180 MHz.
- Memory and Storage: 512 Kbytes of Flash memory, 128 Kbytes of SRAM, and up to 4 Kbytes of backup SRAM.
- External Memory Controller: Supports SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND Flash memories.
- Interfaces and Peripherals: Dual mode QuadSPI interface, LCD parallel interface, up to 20 communication interfaces including CAN, I2C, I2S, SPI, UART/USART, and USB.
- Low Power Modes: Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- Analog and Digital Converters: 3× 12-bit ADCs and 2× 12-bit DACs.
- Timers and Counters: Up to 17 timers including watchdog, SysTick, and 16-bit and 32-bit timers.
- Debug and Trace: SWD and JTAG interfaces, Cortex®-M4 Trace Macrocell™.
Applications
The STM32F446ZEJ6 microcontroller is versatile and can be used in a wide range of applications, including:
- Industrial Automation: Control systems, motor control, and industrial communication.
- Medical Devices: Portable medical devices, diagnostic equipment, and medical imaging.
- Consumer Electronics: Smart home devices, wearables, and multimedia systems.
- Automotive Systems: Although not specifically automotive-grade, it can be used in various automotive-related projects due to its robust feature set.
- IoT and Wireless Applications: Internet of Things (IoT) devices, wireless sensors, and communication modules.
Q & A
- What is the core architecture of the STM32F446ZEJ6 microcontroller?
The STM32F446ZEJ6 is based on the Arm® 32-bit Cortex®-M4 CPU with FPU and DSP instructions.
- What is the maximum operating frequency of the STM32F446ZEJ6?
The maximum operating frequency is up to 180 MHz.
- How much Flash and SRAM memory does the STM32F446ZEJ6 have?
The device has 512 Kbytes of Flash memory and 128 Kbytes of SRAM.
- What are the supply voltage ranges for the STM32F446ZEJ6?
The supply voltage ranges from 1.7 V to 3.6 V.
- What types of interfaces does the STM32F446ZEJ6 support?
The device supports various interfaces including CAN, I2C, I2S, SPI, UART/USART, USB, and more.
- Does the STM32F446ZEJ6 have low power modes?
Yes, it has Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- How many ADC and DAC channels does the STM32F446ZEJ6 have?
The device has 3× 12-bit ADCs (up to 24 channels) and 2× 12-bit DACs.
- What is the operating temperature range of the STM32F446ZEJ6?
The operating temperature range is from -40°C to 85°C.
- What package type is the STM32F446ZEJ6 available in?
The device is available in a 144-UFBGA package.
- Does the STM32F446ZEJ6 support debug and trace features?
Yes, it supports SWD and JTAG interfaces, as well as the Cortex®-M4 Trace Macrocell™.
- In what types of applications can the STM32F446ZEJ6 be used?
The STM32F446ZEJ6 can be used in industrial automation, medical devices, consumer electronics, IoT, and various other applications.
