Overview
The STM32F746NEH6 is a high-performance microcontroller from STMicroelectronics, based on the ARM Cortex-M7 32-bit RISC core. It operates at a frequency of up to 216 MHz and features a single floating-point unit (SFPU), DSP instructions, and a memory protection unit (MPU) to enhance application security. This microcontroller is part of the STM32F7 series, known for its high performance, power efficiency, and extensive set of peripherals and interfaces.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M7 32-bit RISC core with FPU, ART Accelerator, and L1 cache (4KB data cache and 4KB instruction cache) |
| Frequency | Up to 216 MHz |
| Flash Memory | Up to 1 MB (STM32F746NEH6: 512 KB) |
| SRAM | 320 KB (including 64 KB of data TCM RAM and 16 KB of instruction TCM RAM) + 4 KB of backup SRAM |
| External Memory | Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND memories |
| Timers | Up to 18 timers: 16-bit and 32-bit running at up to 216 MHz |
| ADCs | Three 12-bit ADCs reaching 2.4 MSPS or 7.2 MSPS in Interleaved mode |
| DACs | Two 12-bit DACs |
| Communication Interfaces | Up to 25 interfaces including USARTs, UARTs, SPIs, I²C, CAN, USB 2.0, Ethernet MAC, etc. |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Package | TFBGA-216 (13x13x1.2 mm) |
Key Features
- High Performance: Delivers 1082 CoreMark / 462 DMIPS performance at 216 MHz, with DSP instructions and a floating-point unit.
- Power Efficiency: Low power consumption in Run mode (7 CoreMark/mW at 1.8 V) and Stop mode (typically 100 µA).
- Graphics Acceleration: LCD-TFT controller with dual-layer support and Chrom-ART Accelerator for enhanced graphics content creation.
- Advanced Peripherals: Includes multiple timers, ADCs, DACs, and a wide range of communication interfaces such as USB, Ethernet, and CAN.
- Security Features: Crypto/hash processor for AES-128, -192, and -256 encryption, and support for various hash algorithms.
- Memory and Storage: Flexible external memory controller and dual-mode Quad-SPI for code execution from external serial Flash memory.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication due to its advanced peripherals and high performance.
- Consumer Electronics: Ideal for applications requiring high graphics performance, such as smart home devices, gaming consoles, and multimedia systems.
- Medical Devices: Can be used in medical equipment that requires precise data processing, low power consumption, and advanced communication interfaces.
- Automotive Systems: Applicable in automotive control units, infotainment systems, and safety-critical systems due to its robust security features and reliability.
Q & A
- What is the maximum operating frequency of the STM32F746NEH6?
The maximum operating frequency is up to 216 MHz.
- What type of core does the STM32F746NEH6 use?
The STM32F746NEH6 uses the ARM Cortex-M7 32-bit RISC core with a floating-point unit (FPU).
- How much Flash memory does the STM32F746NEH6 have?
The STM32F746NEH6 has 512 KB of Flash memory.
- What is the power consumption in Stop mode?
The power consumption in Stop mode is typically 100 µA.
- Does the STM32F746NEH6 support graphics acceleration?
Yes, it features an LCD-TFT controller with a Chrom-ART Accelerator for enhanced graphics content creation.
- What communication interfaces are available on the STM32F746NEH6?
The microcontroller includes up to 25 communication interfaces such as USARTs, UARTs, SPIs, I²C, CAN, USB 2.0, and Ethernet MAC.
- Does the STM32F746NEH6 have any security features?
Yes, it includes a crypto/hash processor for AES encryption and support for various hash algorithms.
- What is the package type of the STM32F746NEH6?
The package type is TFBGA-216 (13x13x1.2 mm).
- What is the voltage range for the STM32F746NEH6?
The application supply and I/Os operate within a voltage range of 1.7 V to 3.6 V.
- Does the STM32F746NEH6 support external memory?
Yes, it has a flexible external memory controller and supports various types of external memories.
