Overview
The STM32F446ZEJ7 is a high-performance microcontroller from STMicroelectronics, part of the STM32 F4 series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 180 MHz. This microcontroller features a floating point unit (FPU) and a full set of DSP instructions, along with a memory protection unit (MPU) for enhanced application security. The device includes high-speed embedded memories, extensive I/Os, and a wide range of peripherals, making it suitable for demanding applications in various fields.
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 |
| ADCs | 3 × 12-bit, 2.4 MSPS ADCs, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| DACs | 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 and two UARTs, up to four SPIs, two I2C interfaces, two CAN (2.0B Active), USB 2.0 full-speed/device/host/OTG controller |
| Power Management | 1.7 V to 3.6 V application supply and I/Os, low power modes (Sleep, Stop, Standby) |
| Operating Temperature | -40°C to 85°C |
| Package | UFBGA 144 10x10x0.6 P 0.8 mm |
Key Features
- High-Performance Core: Arm® 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.
- Analog and Digital Peripherals: Three 12-bit ADCs, two 12-bit DACs, and a low-power RTC.
- Communication Interfaces: Multiple USARTs, UARTs, SPIs, I2C interfaces, CAN (2.0B Active), and USB 2.0 full-speed/device/host/OTG controller.
- Power Management: Low power modes (Sleep, Stop, Standby) and a wide voltage range (1.7 V to 3.6 V).
- 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 up to 90 MHz, and up to 112 5 V-tolerant I/Os.
Applications
The STM32F446ZEJ7 is versatile and can be used in a variety of applications, including:
- Industrial Automation: Motor control, industrial control systems, and automation.
- Consumer Electronics: Audio and video equipment, gaming consoles, and other consumer devices.
- Medical Devices: Medical diagnostic equipment, patient monitoring systems, and other medical applications.
- Automotive Systems: Infotainment systems, driver assistance systems, and automotive control units.
- IoT and Wireless Applications: IoT devices, wireless sensors, and other connected devices.
Q & A
- What is the core architecture of the STM32F446ZEJ7?
The STM32F446ZEJ7 is based on the Arm® 32-bit Cortex®-M4 CPU with FPU and DSP instructions. - What is the maximum operating frequency of the STM32F446ZEJ7?
The maximum operating frequency is up to 180 MHz. - How much Flash and SRAM memory does the STM32F446ZEJ7 have?
The device has 512 Kbytes of Flash memory and 128 Kbytes of SRAM. - What types of communication interfaces are available on the STM32F446ZEJ7?
The device features multiple USARTs, UARTs, SPIs, I2C interfaces, CAN (2.0B Active), and a USB 2.0 full-speed/device/host/OTG controller. - What are the power management features of the STM32F446ZEJ7?
The device includes low power modes (Sleep, Stop, Standby) and operates within a voltage range of 1.7 V to 3.6 V. - What is the package type of the STM32F446ZEJ7?
The package type is UFBGA 144 10x10x0.6 P 0.8 mm. - What is the operating temperature range of the STM32F446ZEJ7?
The operating temperature range is -40°C to 85°C. - Does the STM32F446ZEJ7 support debug and trace functions?
Yes, it supports SWD and JTAG interfaces, as well as the Cortex®-M4 Trace Macrocell™. - How many I/O ports does the STM32F446ZEJ7 have?
The device has up to 114 I/O ports with interrupt capability. - What are some typical applications of the STM32F446ZEJ7?
Typical applications include industrial automation, consumer electronics, medical devices, automotive systems, and IoT and wireless applications.
