Overview
The STM32F446ZCT6JTR, 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) supporting 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 STM32F446ZCT6JTR is part of the STM32F446xC/E family, which incorporates high-speed embedded memories, extensive I/Os, and peripherals connected to multiple bus systems. This microcontroller is designed for applications requiring high computational performance, advanced peripherals, and low power consumption.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator), frequency 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, up to 4 Kbytes of backup SRAM, flexible external memory controller with up to 16-bit data bus |
| ADCs | Three 12-bit ADCs |
| DACs | Two DACs |
| Timers | Twelve general-purpose 16-bit timers, two general-purpose 32-bit timers, two PWM timers for motor control |
| Communication Interfaces | Four SPI, four USART, three I2S, two CAN 2.0, two UART |
| I/Os | 114 high current I/Os |
| Supply and Clock Management | 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 |
| Low Power Modes | Sleep, Stop, and Standby modes, VBAT supply for RTC, 20×32 bit backup registers plus optional 4 KB backup SRAM |
| Operating Temperature | -40°C to 85°C or -40°C to 105°C depending on the package |
Key Features
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU and DSP instructions
- Adaptive real-time accelerator (ART Accelerator) for 0-wait state execution from Flash memory
- High-speed embedded memories: 512 Kbytes of Flash memory, 128 Kbytes of SRAM, and up to 4 Kbytes of backup SRAM
- Flexible external memory controller supporting SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND Flash memories
- Dual mode QuadSPI interface and LCD parallel interface (8080/6800 modes)
- Three 12-bit ADCs, two DACs, low-power RTC, and multiple timers including PWM timers for motor control
- Advanced communication interfaces: SPI, USART, I2S, CAN 2.0
- Low power modes: Sleep, Stop, and Standby modes with VBAT supply for RTC
- Extensive range of I/Os and peripherals connected to multiple bus systems
Applications
- Industrial automation and control systems
- Medical devices requiring high computational performance and low power consumption
- Aerospace and defense applications needing robust and secure microcontrollers
- Consumer electronics such as smart home devices and IoT applications
- Automotive systems, including advanced driver-assistance systems (ADAS) and infotainment systems
Q & A
- What is the core architecture of the STM32F446ZCT6JTR?
The STM32F446ZCT6JTR is based on the Arm® Cortex®-M4 32-bit RISC core with a floating point unit (FPU) and DSP instructions.
- What is the maximum operating frequency of the STM32F446ZCT6JTR?
The maximum operating frequency is up to 180 MHz.
- How much Flash and SRAM memory does the STM32F446ZCT6JTR have?
The device has 512 Kbytes of Flash memory and 128 Kbytes of SRAM.
- What types of timers are available on the STM32F446ZCT6JTR?
The device features twelve general-purpose 16-bit timers, two general-purpose 32-bit timers, and two PWM timers for motor control.
- What are the low power modes available on the STM32F446ZCT6JTR?
The device supports Sleep, Stop, and Standby modes with VBAT supply for RTC.
- What communication interfaces are supported by the STM32F446ZCT6JTR?
The device supports SPI, USART, I2S, and CAN 2.0 interfaces.
- How many high current I/Os does the STM32F446ZCT6JTR have?
The device has 114 high current I/Os.
- What is the operating temperature range of the STM32F446ZCT6JTR?
The operating temperature range is -40°C to 85°C or -40°C to 105°C depending on the package.
- Does the STM32F446ZCT6JTR support external memory?
Yes, it supports external memory through a flexible external memory controller with up to 16-bit data bus.
- What is the purpose of the Adaptive Real-Time Accelerator (ART Accelerator)?
The ART Accelerator allows for 0-wait state execution from Flash memory.
- Are there any specific applications where the STM32F446ZCT6JTR is particularly suited?
Yes, it is suited for industrial automation, medical devices, aerospace, consumer electronics, and automotive systems.
