Overview
The STM32F732RET6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F732xx and STM32F733xx series. It is based on the Arm® 32-bit Cortex®-M7 core, operating at a frequency of up to 216 MHz. This MCU features a single floating point unit (SFPU) and supports Arm® single-precision data-processing instructions and DSP instructions. It also includes a memory protection unit (MPU) to enhance application security.
The device is equipped with extensive memory options, including up to 512 Kbytes of Flash memory, 256 Kbytes of SRAM, and additional memory types such as data TCM RAM, instruction TCM RAM, and backup SRAM. The STM32F732RET6 also features a wide range of peripherals and communication interfaces, making it suitable for various demanding applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M7 CPU with FPU, adaptive real-time accelerator (ART Accelerator), and L1-cache (8 Kbytes data cache and 8 Kbytes instruction cache) |
| Frequency | Up to 216 MHz |
| Flash Memory | Up to 512 Kbytes with protection mechanisms (read and write protections, PCROP) |
| SRAM | 256 Kbytes (including 64 Kbytes of data TCM RAM and 16 Kbytes of instruction TCM RAM) + 4 Kbytes of backup SRAM |
| OTP Memory | 528 bytes |
| External Memory Controller | Up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND memories |
| ADCs | 3 × 12-bit, 2.4 MSPS, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| DACs | 2 × 12-bit |
| Timers | Up to 18 timers (13 × 16-bit and 2 × 32-bit), each with up to 4 IC/OC/PWMs or pulse counter and quadrature encoder inputs |
| Communication Interfaces | Up to 21 interfaces including USB 2.0, USARTs, SPIs, I2Cs, CAN, and SDMMCs |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Operating Temperature | Industrial grade, specific range depends on the package |
Key Features
- Core and Performance: Arm® 32-bit Cortex®-M7 CPU with FPU, adaptive real-time accelerator (ART Accelerator), and L1-cache, allowing 0-wait state execution from embedded Flash memory and external memories, frequency up to 216 MHz, and DSP instructions.
- Memories: Up to 512 Kbytes of Flash memory, 256 Kbytes of SRAM (including data and instruction TCM RAM), and 4 Kbytes of backup SRAM.
- Peripherals: Three 12-bit ADCs, two 12-bit DACs, low-power RTC, thirteen 16-bit timers, two 32-bit timers, general-purpose DMA, and various communication interfaces.
- Security and Encryption: AES 128/256-bit key encryption hardware accelerator, true random number generator, and CRC calculation unit.
- Power Management: Sleep, Stop, and Standby modes, VBAT supply for RTC, and backup registers.
- Connectivity: USB 2.0 full-speed/device/host/OTG controller, USARTs, SPIs, I2Cs, CAN, and SDMMCs.
- I/Os and Interfaces: Up to 140 I/O ports with interrupt capability, up to 136 fast I/Os up to 108 MHz, and up to 138 5 V-tolerant I/Os.
Applications
The STM32F732RET6 is suitable for a wide range of applications due to its high performance, extensive peripherals, and advanced connectivity features. Some of the key application areas include:
- Industrial Automation: Motor control, power management, and industrial communication protocols.
- Medical Devices: High-precision data acquisition and processing, medical imaging, and diagnostic equipment.
- Aerospace and Defense: Secure data processing, encryption, and communication in demanding environments.
- Consumer Electronics: High-performance audio and video processing, USB and other interface-based applications.
- Automotive Systems: Advanced driver-assistance systems (ADAS), infotainment, and vehicle networking.
Q & A
- What is the core architecture of the STM32F732RET6?
The STM32F732RET6 is based on the Arm® 32-bit Cortex®-M7 core with a single floating point unit (SFPU) and adaptive real-time accelerator (ART Accelerator).
- What is the maximum frequency of the STM32F732RET6?
The maximum frequency is up to 216 MHz.
- How much Flash memory does the STM32F732RET6 have?
Up to 512 Kbytes of Flash memory with protection mechanisms.
- What types of timers are available on the STM32F732RET6?
Up to thirteen 16-bit timers and two 32-bit timers, each with up to 4 IC/OC/PWMs or pulse counter and quadrature encoder inputs.
- What communication interfaces are supported by the STM32F732RET6?
USB 2.0, USARTs, SPIs, I2Cs, CAN, and SDMMCs.
- Does the STM32F732RET6 support encryption and security features?
Yes, it includes an AES 128/256-bit key encryption hardware accelerator, true random number generator, and CRC calculation unit.
- What are the power management features of the STM32F732RET6?
Sleep, Stop, and Standby modes, VBAT supply for RTC, and backup registers.
- How many I/O ports does the STM32F732RET6 have?
Up to 140 I/O ports with interrupt capability.
- What is the operating voltage range of the STM32F732RET6?
1.7 V to 3.6 V application supply and I/Os.
- Is the STM32F732RET6 RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
- What are some typical applications for the STM32F732RET6?
Industrial automation, medical devices, aerospace and defense, consumer electronics, and automotive systems.
