Overview
The STM32F446RCT7 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 a frequency of up to 180 MHz. This core includes a floating-point unit (FPU) and supports all Arm® single-precision data-processing instructions and DSP instructions. The device also features a memory protection unit (MPU) for enhanced application security.
The microcontroller incorporates 512 Kbytes of Flash memory and 128 Kbytes of SRAM, along with a flexible external memory controller and a dual-mode QuadSPI interface. It offers a wide range of peripherals and interfaces, making it suitable for various applications requiring high performance and low power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 180 MHz |
| Memories | 512 Kbytes of Flash memory, 128 Kbytes of SRAM, up to 4 Kbytes of backup SRAM |
| External Memory Controller | 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 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 four USARTs and two UARTs, up to four SPIs, two SAI (serial audio interface), two CAN (2.0B Active), SDIO interface, USB 2.0 full-speed/device/host/OTG controller |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Low Power Modes | Sleep, Stop and Standby modes |
| Package | LQFP 64 10x10x1.4 mm |
| Operating Temperature | -40°C to 85°C (Industrial grade) |
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 up to 4 Kbytes of backup SRAM.
- Analog and Digital Converters: Three 12-bit ADCs and two 12-bit DACs.
- Timers and Counters: Up to seventeen 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, SDIO, and USB 2.0 interfaces.
- Low Power Modes: Sleep, Stop, and Standby modes for power efficiency.
- Debug and Trace: SWD and JTAG interfaces, Cortex®-M4 Trace Macrocell™.
- Peripheral Interfaces: LCD parallel interface, 8080/6800 modes, SPDIF-Rx, and consumer electronics control (CEC) interface.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication protocols.
- Consumer Electronics: Ideal for smart home devices, audio equipment, and other consumer electronics requiring high performance and low power consumption.
- Medical Devices: Can be used in medical devices that require precise analog and digital signal processing.
- Automotive Systems: Applicable in automotive control units, infotainment systems, and other vehicle electronics.
- IoT Devices: Suitable for Internet of Things (IoT) applications requiring advanced connectivity and low power consumption.
Q & A
- What is the core architecture of the STM32F446RCT7?
The STM32F446RCT7 is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- How much Flash and SRAM memory does the STM32F446RCT7 have?
The device has 512 Kbytes of Flash memory and 128 Kbytes of SRAM.
- What are the key analog features of the STM32F446RCT7?
It features three 12-bit ADCs and two 12-bit DACs.
- What communication interfaces are available on the STM32F446RCT7?
The device includes multiple USARTs, UARTs, SPIs, SAI, CAN, SDIO, and USB 2.0 interfaces.
- What are the low power modes available on the STM32F446RCT7?
The device supports Sleep, Stop, and Standby modes for power efficiency.
- What is the operating temperature range of the STM32F446RCT7?
The operating temperature range is -40°C to 85°C (Industrial grade).
- What package options are available for the STM32F446RCT7?
The device is available in an LQFP 64 10x10x1.4 mm package.
- Does the STM32F446RCT7 support debug and trace capabilities?
Yes, it supports SWD and JTAG interfaces, as well as the Cortex®-M4 Trace Macrocell™.
- What are some typical applications for the STM32F446RCT7?
It is suitable for industrial automation, consumer electronics, medical devices, automotive systems, and IoT devices.
- What is the maximum clock frequency of the STM32F446RCT7?
The maximum clock frequency is up to 180 MHz.
- Does the STM32F446RCT7 have any specific power management features?
Yes, it includes features like POR, PDR, PVD, and BOR, along with a dedicated USB power rail.
