Overview
The STM32H745IIK6, produced by STMicroelectronics, is a high-performance microcontroller based on the dual-core architecture of the Arm® Cortex®-M7 and Cortex®-M4 32-bit RISC cores. The Cortex®-M7 core operates at up to 480 MHz, while the Cortex®-M4 core operates at up to 240 MHz. Both cores feature floating-point units (FPUs) and support DSP instructions, enhancing the device's computational capabilities and security through a memory protection unit (MPU).
This microcontroller is equipped with extensive embedded memories, including up to 2 Mbytes of flash memory with read-while-write support, 1 Mbyte of RAM, and a dual-mode Quad-SPI memory interface. It also features a wide range of enhanced I/Os and peripherals connected to various bus systems, making it highly versatile for complex applications.
Key Specifications
| Specification | Details |
|---|---|
| Cores | 32-bit Arm® Cortex®-M7 core (up to 480 MHz) and 32-bit Arm® Cortex®-M4 core (up to 240 MHz) |
| Flash Memory | Up to 2 Mbytes with read-while-write support |
| RAM | 1 Mbyte: 192 Kbytes of TCM RAM, 864 Kbytes of user SRAM, and 4 Kbytes of backup SRAM |
| Memory Interface | Dual-mode Quad-SPI memory interface up to 133 MHz, flexible external memory controller up to 32-bit data bus |
| Power Supply | 1.62 to 3.6 V application supply and I/Os, low-power modes including Sleep, Stop, Standby, and VBAT |
| Timers | 22 timers including high-resolution timer, general-purpose timers, low-power timers, and advanced motor control timers |
| Communication Interfaces | Up to 35 communication peripherals including I2Cs, USARTs, SPIs, I2S, CAN, USB OTG, and Ethernet |
| Analog Peripherals | 3 ADCs, 2 DACs, 2 ultra-low power comparators, operational amplifiers, and a temperature sensor |
| Package | UFBGA 176+25 10x10x0.6 P 0.65 mm |
| Operating Temperature | -40°C to 125°C |
Key Features
- Dual-core architecture with Arm® Cortex®-M7 and Cortex®-M4 cores, each with an FPU and DSP instructions.
- High-speed embedded memories including dual-bank flash and extensive RAM.
- Dual-mode Quad-SPI memory interface and flexible external memory controller.
- Extensive range of enhanced I/Os and peripherals connected to APB, AHB, and AXI buses.
- Multiple communication interfaces such as I2Cs, USARTs, SPIs, I2S, CAN, USB OTG, and Ethernet.
- Advanced analog peripherals including ADCs, DACs, comparators, and operational amplifiers.
- Low-power modes and high power-efficiency SMPS step-down converter regulator.
- Integrated LCD-TFT controller, Chrom-ART graphical hardware accelerator, and hardware JPEG codec.
- Security features including ROP, PC-ROP, active tamper, and a true random number generator.
Applications
The STM32H745IIK6 is suitable for a wide range of applications due to its high performance, extensive peripherals, and low-power capabilities. Some key applications include:
- Industrial automation and control systems.
- Medical devices requiring high computational power and precision.
- Aerospace and defense systems where reliability and security are critical.
- Automotive systems, including advanced driver-assistance systems (ADAS) and infotainment.
- IoT devices that require robust communication and data processing capabilities.
Q & A
- What are the core frequencies of the STM32H745IIK6?
The Cortex®-M7 core operates at up to 480 MHz, and the Cortex®-M4 core operates at up to 240 MHz.
- How much flash memory and RAM does the STM32H745IIK6 have?
It has up to 2 Mbytes of flash memory and 1 Mbyte of RAM.
- What types of communication interfaces are available on the STM32H745IIK6?
The device features multiple communication interfaces including I2Cs, USARTs, SPIs, I2S, CAN, USB OTG, and Ethernet.
- What are the power supply and operating temperature ranges of the STM32H745IIK6?
The device operates with a supply voltage of 1.62 to 3.6 V and an operating temperature range of -40°C to 125°C.
- Does the STM32H745IIK6 support low-power modes?
Yes, it supports low-power modes including Sleep, Stop, Standby, and VBAT, along with a high power-efficiency SMPS step-down converter regulator.
- What security features are included in the STM32H745IIK6?
The device includes security features such as ROP, PC-ROP, active tamper, and a true random number generator.
- What is the package type of the STM32H745IIK6?
The package type is UFBGA 176+25 10x10x0.6 P 0.65 mm.
- Does the STM32H745IIK6 support external memory interfaces?
Yes, it supports a dual-mode Quad-SPI memory interface and a flexible external memory controller with up to 32-bit data bus.
- What are the key analog peripherals available on the STM32H745IIK6?
The device includes 3 ADCs, 2 DACs, 2 ultra-low power comparators, operational amplifiers, and a temperature sensor.
- Does the STM32H745IIK6 have any graphical and multimedia capabilities?
Yes, it features an LCD-TFT controller, Chrom-ART graphical hardware accelerator, and a hardware JPEG codec.
