Overview
The STM32F446ZCJ7 is a high-performance microcontroller from STMicroelectronics, part of the STM32F446xC/E series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at frequencies up to 180 MHz. The core includes a floating-point unit (FPU) and a full set of DSP instructions, enhancing its computational capabilities. The device also features a memory protection unit (MPU) for improved application security.
The STM32F446ZCJ7 integrates high-speed embedded memories, including up to 512 Kbytes of Flash memory and 128 Kbytes of SRAM, along with a flexible external memory controller. It offers a wide range of enhanced I/Os and peripherals, making it suitable for various applications requiring high performance and rich connectivity.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, ART Accelerator, up to 180 MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), 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, Dual mode QuadSPI interface |
| ADCs | 3 × 12-bit, 2.4 MSPS ADC: 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 up to 180 MHz |
| Communication Interfaces | Up to 20 communication interfaces including USARTs, UARTs, SPIs, I2Cs, CAN (2.0B Active), SDIO, USB 2.0 full-speed/device/host/OTG controller |
| Power Management | 1.7 V to 3.6 V application supply and I/Os, Sleep, Stop and Standby modes, VBAT supply for RTC |
| 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 | UFBGA 144 10x10x0.6 P 0.8 mm |
| Operating Temperature | Industrial grade, typically -40°C to 85°C |
Key Features
- High-Performance Core: Arm® 32-bit Cortex®-M4 CPU with FPU, ART Accelerator for 0-wait state execution from Flash memory, and DSP instructions.
- Memory and Storage: 512 Kbytes of Flash memory, 128 Kbytes of SRAM, and flexible external memory controller.
- Analog and Digital Converters: 3 × 12-bit ADCs, 2 × 12-bit DACs.
- Timers and Counters: Up to 17 timers including watchdog, SysTick, and general-purpose timers.
- Communication Interfaces: Multiple USARTs, UARTs, SPIs, I2Cs, CAN (2.0B Active), SDIO, and USB 2.0 full-speed/device/host/OTG controller.
- Power Management: Sleep, Stop, and Standby modes, VBAT supply for RTC, and dynamic voltage scaling.
- I/O and Peripherals: Up to 114 I/O ports with interrupt capability, fast I/Os, and 5 V-tolerant I/Os.
- Debug and Trace: SWD and JTAG interfaces, Cortex®-M4 Trace Macrocell™.
- Advanced Connectivity: USB 2.0 high-speed/full-speed device/host/OTG controller, dedicated USB power rail, and advanced audio interfaces.
Applications
- Industrial Automation: The STM32F446ZCJ7 is suitable for industrial control systems, motor control, and automation due to its high performance and rich set of peripherals.
- Internet of Things (IoT): Its advanced connectivity options, including multiple communication interfaces and low power modes, make it ideal for IoT applications.
- Medical Devices: The device's precision and reliability, along with its analog and digital conversion capabilities, make it a good fit for medical equipment.
- Consumer Electronics: It can be used in consumer electronics such as audio devices, cameras, and other multimedia applications due to its support for audio interfaces and camera interfaces.
- Scientific Instruments: The high-performance core and extensive set of peripherals make it suitable for scientific instruments and data acquisition systems.
Q & A
- What is the core architecture of the STM32F446ZCJ7?
The STM32F446ZCJ7 is based on the Arm® 32-bit Cortex®-M4 CPU with FPU and DSP instructions.
- What is the maximum clock frequency of the STM32F446ZCJ7?
The maximum clock frequency is up to 180 MHz.
- How much Flash and SRAM memory does the STM32F446ZCJ7 have?
The device has up to 512 Kbytes of Flash memory and 128 Kbytes of SRAM.
- What types of ADCs and DACs are available on the STM32F446ZCJ7?
The device features 3 × 12-bit ADCs and 2 × 12-bit DACs.
- What communication interfaces are supported by the STM32F446ZCJ7?
The device supports multiple USARTs, UARTs, SPIs, I2Cs, CAN (2.0B Active), SDIO, and USB 2.0 full-speed/device/host/OTG controller.
- What are the power management features of the STM32F446ZCJ7?
The device includes Sleep, Stop, and Standby modes, VBAT supply for RTC, and dynamic voltage scaling.
- How many I/O ports does the STM32F446ZCJ7 have?
The device has up to 114 I/O ports with interrupt capability.
- What is the operating temperature range of the STM32F446ZCJ7?
The operating temperature range is typically -40°C to 85°C.
- What package options are available for the STM32F446ZCJ7?
The device is available in UFBGA 144 10x10x0.6 P 0.8 mm package.
- What debug and trace interfaces are supported by the STM32F446ZCJ7?
The device supports SWD and JTAG interfaces, along with the Cortex®-M4 Trace Macrocell™.
- What are some typical applications for the STM32F446ZCJ7?
Typical applications include industrial automation, IoT, medical devices, consumer electronics, and scientific instruments.
