Overview
The STM32F446ZEJ6TR, 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) that 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 STM32F446ZEJ6TR is part of the STM32F446xC/E series, which incorporates high-speed embedded memories, including up to 512 Kbytes of Flash memory and 128 Kbytes of SRAM. The device also features a flexible external memory controller, dual-mode QuadSPI interface, and an extensive range of enhanced I/Os and peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 |
| 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) |
| Supply and Clock | 1.7 V to 3.6 V application supply and I/Os, POR, PDR, PVD and BOR, 4 to 26 MHz crystal oscillator, internal 16 MHz factory-trimmed RC (1% accuracy), 32 kHz oscillator for RTC with calibration |
| ADC and 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 up to 180 MHz |
| Communication Interfaces | Up to four USARTs and two UARTs, up to four SPIs, two SAI (serial audio interface), two CAN (2.0B Active), USB 2.0 full-speed device/host/OTG controller, USB 2.0 high-speed/full-speed device/host/OTG controller |
| I/Os | Up to 114 I/O ports with interrupt capability, up to 111 fast I/Os up to 90 MHz |
| Package | 144-UFBGA |
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.
- Memory and Storage: 512 Kbytes of Flash memory, 128 Kbytes of SRAM, and 4 Kbytes of backup SRAM.
- External Memory Controller: Supports SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND Flash memories with up to 16-bit data bus.
- Analog and Digital Converters: Three 12-bit ADCs (up to 24 channels and 7.2 MSPS in triple interleaved mode), two 12-bit D/A converters.
- Timers and Counters: Up to 17 timers including two watchdog timers, one SysTick timer, twelve 16-bit timers, and two 32-bit timers.
- Communication Interfaces: Multiple USARTs, UARTs, SPIs, SAI, CAN (2.0B Active), USB 2.0 full-speed and high-speed device/host/OTG controllers.
- Low Power Modes: Sleep, Stop, and Standby modes, VBAT supply for RTC, and backup registers.
- Debug and Trace: SWD and JTAG interfaces, Cortex®-M4 Trace Macrocell™.
- I/O Capabilities: Up to 114 I/O ports with interrupt capability, up to 111 fast I/Os up to 90 MHz.
Applications
The STM32F446ZEJ6TR is versatile and can be used in a wide range of applications, including:
- Industrial Automation: For control systems, motor control, and industrial communication protocols.
- Consumer Electronics: In devices such as smart home appliances, audio equipment, and gaming consoles.
- Medical Devices: For medical diagnostic equipment, patient monitoring systems, and portable medical devices.
- Automotive Systems: In vehicle control units, infotainment systems, and advanced driver-assistance systems (ADAS).
- IoT Devices: For Internet of Things applications requiring high performance, low power consumption, and multiple communication interfaces.
Q & A
- What is the core architecture of the STM32F446ZEJ6TR?
The STM32F446ZEJ6TR is based on the Arm® 32-bit Cortex®-M4 CPU with FPU.
- What is the maximum operating frequency of the STM32F446ZEJ6TR?
The maximum operating frequency is up to 180 MHz.
- How much Flash and SRAM memory does the STM32F446ZEJ6TR have?
The device has 512 Kbytes of Flash memory and 128 Kbytes of SRAM.
- What types of communication interfaces are available on the STM32F446ZEJ6TR?
The device features multiple USARTs, UARTs, SPIs, SAI, CAN (2.0B Active), and USB 2.0 full-speed and high-speed device/host/OTG controllers.
- Does the STM32F446ZEJ6TR support low power modes?
Yes, it supports Sleep, Stop, and Standby modes, along with VBAT supply for RTC and backup registers.
- What is the package type of the STM32F446ZEJ6TR?
The package type is 144-UFBGA.
- How many I/O ports does the STM32F446ZEJ6TR have?
The device has up to 114 I/O ports with interrupt capability.
- Does the STM32F446ZEJ6TR have any debug and trace capabilities?
Yes, it features SWD and JTAG interfaces, along with the Cortex®-M4 Trace Macrocell™.
- What are some common applications for the STM32F446ZEJ6TR?
Common applications include industrial automation, consumer electronics, medical devices, automotive systems, and IoT devices.
- Where can I find detailed specifications and datasheets for the STM32F446ZEJ6TR?
Detailed specifications and datasheets can be found on the official STMicroelectronics website and through authorized distributors.
