Overview
The STM32F746IEK6 is a high-performance microcontroller from the STM32F7 series, developed by STMicroelectronics. It is based on the ARM® Cortex®-M7 32-bit RISC core, operating at a frequency of up to 216 MHz. The Cortex®-M7 core 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 microcontroller is equipped with high-speed embedded memories, including up to 1 MB of Flash memory, 320 KB of SRAM, and 1024 bytes of OTP memory. It offers an extensive range of enhanced I/Os and peripherals connected to multiple buses, supporting both internal and external memory access.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 |
| SRAM | 320 KB (including 64 KB of data TCM RAM and 16 KB of instruction TCM RAM) + 4 KB of backup SRAM |
| OTP Memory | 1024 bytes |
| 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 18 timers: thirteen 16-bit and two 32-bit timers |
| Communication Interfaces | Up to 25 interfaces including USB 2.0, Ethernet, CAN, SPI, I2C, USART, UART, SAI, SDMMC |
| Operating Voltage | 1.7 V to 3.6 V |
| Operating Temperature | -40°C to 85°C |
| Package | UFBGA 176+25 10x10x0.6 P 0.65 mm |
Key Features
- High-Performance Core: ARM® 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.
- Memory and Storage: Up to 1 MB of Flash memory, 320 KB of SRAM, 16 KB of instruction TCM RAM, and 4 KB of backup SRAM.
- Analog and Digital Peripherals: Three 12-bit ADCs, two 12-bit DACs, and various timers including thirteen 16-bit and two 32-bit timers.
- Communication Interfaces: Extensive range of interfaces including USB 2.0, Ethernet, CAN, SPI, I2C, USART, UART, SAI, and SDMMC.
- Graphics and Audio: LCD-TFT controller up to XGA resolution with dedicated Chrom-ART Accelerator™ for enhanced graphic content creation, and dedicated audio PLLs and serial audio interfaces.
- Power Management: Sleep, Stop, and Standby modes with low power consumption, and dedicated USB power.
- Security and Debugging: Memory protection unit (MPU), true random number generator, and debug interfaces including SWD & JTAG.
Applications
- Embedded Design & Development: Suitable for complex embedded systems requiring high performance and low power consumption.
- Motor Drive & Control: Ideal for motor control applications with advanced timer and PWM capabilities.
- Medical: Used in medical devices requiring precise analog and digital signal processing.
- Industrial: Applicable in industrial automation and control systems.
- Consumer Electronics: Found in various consumer electronics such as portable devices, imaging, video, and vision systems.
- Audio and Video: Utilized in audio and video processing applications due to its advanced audio and graphics capabilities.
Q & A
- What is the core architecture of the STM32F746IEK6?
The STM32F746IEK6 is based on the ARM® Cortex®-M7 32-bit RISC core.
- What is the maximum operating frequency of the STM32F746IEK6?
The maximum operating frequency is up to 216 MHz.
- How much Flash memory does the STM32F746IEK6 have?
The STM32F746IEK6 has up to 1 MB of Flash memory.
- What types of communication interfaces are available on the STM32F746IEK6?
The microcontroller offers a wide range of communication interfaces including USB 2.0, Ethernet, CAN, SPI, I2C, USART, UART, SAI, and SDMMC.
- What is the operating voltage range of the STM32F746IEK6?
The operating voltage range is from 1.7 V to 3.6 V.
- What is the purpose of the Chrom-ART Accelerator™ in the STM32F746IEK6?
The Chrom-ART Accelerator™ is used for enhanced graphic content creation, supporting functions like image format conversion and image blending.
- Does the STM32F746IEK6 support external memory?
Yes, it supports external memory through a flexible external memory controller with a 32-bit parallel interface.
- What are the power-saving modes available on the STM32F746IEK6?
The microcontroller features Sleep, Stop, and Standby modes for low power consumption.
- Is the STM32F746IEK6 suitable for motor control applications?
Yes, it is suitable due to its advanced timer and PWM capabilities.
- What is the package type of the STM32F746IEK6?
The package type is UFBGA 176+25 10x10x0.6 P 0.65 mm.
