Overview
The STM32F746NGH6E, produced by STMicroelectronics, is a high-performance microcontroller based on the ARM® 32-bit Cortex®-M7 CPU. This device operates at a frequency of up to 216 MHz and features a single floating-point unit (SFPU) that supports 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 STM32F746NGH6E is part of the STM32F7 series, known for its advanced peripherals, high-speed embedded memories, and extensive range of communication interfaces. This microcontroller is designed to meet the demands of complex applications requiring high processing power, low power consumption, and advanced graphics capabilities.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M7 CPU with FPU, adaptive real-time accelerator (ART Accelerator™), and L1-cache: 4KB data cache and 4KB instruction cache |
| Frequency | Up to 216 MHz |
| Flash Memory | Up to 1 MB |
| OTP Memory | 1024 bytes |
| SRAM | 320 KB (including 64 KB of data TCM RAM for critical real-time data) + 16 KB of instruction TCM RAM + 4 KB of backup SRAM |
| External Memory Controller | Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND memories |
| ADCs | Three 12-bit ADCs, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| DACs | Two 12-bit D/A converters |
| Timers | Up to thirteen 16-bit timers and two 32-bit timers |
| Communication Interfaces | Up to 25 interfaces including USB OTG, Ethernet, CAN, I2C, I2S/SPI, USART/UART, etc. |
| I/O Ports | Up to 168 I/O ports with interrupt capability |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Low-Power Modes | Sleep, Stop, and Standby modes |
Key Features
- High-Performance Core: ARM® 32-bit Cortex®-M7 CPU with FPU, adaptive real-time accelerator (ART Accelerator™), and L1-cache for 0-wait state execution from embedded Flash memory and external memories.
- Advanced Graphics: LCD-TFT controller up to XGA resolution with dedicated Chrom-ART Accelerator™ for enhanced graphic content creation.
- Extensive Peripherals: Includes three 12-bit ADCs, two 12-bit DACs, up to eighteen timers, and a true random number generator.
- Communication Interfaces: Up to 25 communication interfaces including USB OTG, Ethernet, CAN, I2C, I2S/SPI, USART/UART, and more.
- Low-Power Modes: Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- Memory and Storage: Flexible external memory controller supporting various memory types and dual-mode Quad-SPI for code execution from external serial Flash memory.
- Debug and Trace: SWD & JTAG interfaces and Cortex®-M7 Trace Macrocell™ for comprehensive debugging capabilities.
Applications
- Industrial Automation: Suitable for advanced motor control, industrial control systems, and automation applications due to its high-performance core and extensive peripherals.
- Medical Devices: Can be used in medical devices requiring high processing power, low power consumption, and advanced communication interfaces.
- Consumer Electronics: Ideal for high-end consumer electronics such as smart home devices, gaming consoles, and multimedia systems.
- Automotive Systems: Applicable in automotive systems for advanced driver-assistance systems (ADAS), infotainment systems, and vehicle control units.
- IoT and Edge AI: Supports edge AI applications with its high-performance core, advanced graphics capabilities, and extensive communication interfaces.
Q & A
- What is the core architecture of the STM32F746NGH6E?
The STM32F746NGH6E is based on the ARM® 32-bit Cortex®-M7 CPU with FPU, adaptive real-time accelerator (ART Accelerator™), and L1-cache.
- What is the maximum frequency of the STM32F746NGH6E?
The maximum frequency is up to 216 MHz.
- How much Flash memory does the STM32F746NGH6E have?
Up to 1 MB of Flash memory.
- What types of ADCs and DACs are available on the STM32F746NGH6E?
Three 12-bit ADCs and two 12-bit DACs.
- What are the low-power modes supported by the STM32F746NGH6E?
Sleep, Stop, and Standby modes.
- Does the STM32F746NGH6E support Ethernet and USB interfaces?
Yes, it supports 10/100 Ethernet MAC and USB 2.0 full-speed/device/host/OTG controllers.
- What is the purpose of the Chrom-ART Accelerator™ in the STM32F746NGH6E?
The Chrom-ART Accelerator™ is used for enhanced graphic content creation, including image format conversion and image blending.
- How many I/O ports does the STM32F746NGH6E have?
Up to 168 I/O ports with interrupt capability.
- What is the power supply range for the STM32F746NGH6E?
1.7 V to 3.6 V application supply and I/Os.
- Does the STM32F746NGH6E support CAN and I2C interfaces?
Yes, it supports up to four I2C interfaces and two CAN interfaces.
