Overview
The STM32H747BIT6 is a high-performance microcontroller from STMicroelectronics, part of the STM32H7 series. It features a dual-core architecture with a 32-bit Arm® Cortex®-M7 core and a 32-bit Arm® Cortex®-M4 core. The Cortex®-M7 core operates at up to 480 MHz, while the Cortex®-M4 core operates at up to 240 MHz. Both cores include floating-point units (FPUs) and support DSP instructions, enhancing the device's computational capabilities and security through a memory protection unit (MPU).
Key Specifications
| Specification | Details |
|---|---|
| Cores | 32-bit Arm® Cortex®-M7 and 32-bit Arm® Cortex®-M4 |
| Core Frequencies | Cortex®-M7: up to 480 MHz, Cortex®-M4: 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 |
| Communication Peripherals | Up to 35 peripherals including I2Cs, USARTs, SPIs, CAN controllers, USB OTG, Ethernet MAC, and more |
| Analog Peripherals | 3 ADCs, 2 DACs, 2 ultra-low power comparators, 2 operational amplifiers, and more |
| Timers | High-resolution timer, 12 general-purpose 16-bit timers, 2 32-bit timers, 5 low-power timers, and more |
| Power Management | 3 separate power domains, low-power modes (Sleep, Stop, Standby), SMPS step-down converter, and more |
| Operating Temperature | -40°C to 125°C |
| Package | LQFP-208 (28x28 mm) |
Key Features
- Dual-core architecture with Arm® Cortex®-M7 and Cortex®-M4 cores, each with FPU and DSP instructions.
- High-speed embedded memories: up to 2 Mbytes of flash memory and 1 Mbyte of RAM.
- Extensive range of enhanced I/Os and peripherals connected to APB, AHB buses, and multi-layer AXI interconnect.
- Advanced communication interfaces: I2Cs, USARTs, SPIs, CAN controllers, USB OTG, Ethernet MAC, and more.
- Analog peripherals: 3 ADCs, 2 DACs, 2 ultra-low power comparators, 2 operational amplifiers, and digital filters for sigma-delta modulators.
- High-resolution timer, multiple general-purpose timers, low-power timers, and watchdogs.
- Low-power modes and high power-efficiency SMPS step-down converter for dynamic power efficiency.
- Graphics capabilities: LCD-TFT controller, MIPI DSI host, Chrom-ART graphical hardware accelerator, and hardware JPEG codec.
Applications
The STM32H747BIT6 is suitable for a wide range of applications due to its high performance, rich feature set, and low power consumption. These include:
- Industrial automation and control systems.
- Medical devices requiring high computational power and low power consumption.
- Automotive systems, including advanced driver-assistance systems (ADAS) and infotainment.
- IoT devices that require secure and efficient data processing.
- Consumer electronics such as smart home devices and wearables.
- High-performance computing in embedded systems.
Q & A
- What are the core frequencies of the STM32H747BIT6?
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 STM32H747BIT6 have?
It has up to 2 Mbytes of flash memory and 1 Mbyte of RAM.
- What types of communication peripherals are available on the STM32H747BIT6?
The device includes I2Cs, USARTs, SPIs, CAN controllers, USB OTG, Ethernet MAC, and more.
- What are the key analog peripherals of the STM32H747BIT6?
It features 3 ADCs, 2 DACs, 2 ultra-low power comparators, and 2 operational amplifiers.
- Does the STM32H747BIT6 support low-power modes?
Yes, it supports low-power modes such as Sleep, Stop, Standby, and VBAT battery operating mode with charging capability.
- What is the operating temperature range of the STM32H747BIT6?
The operating temperature range is -40°C to 125°C.
- What package type is the STM32H747BIT6 available in?
It is available in an LQFP-208 (28x28 mm) package.
- Does the STM32H747BIT6 have graphics capabilities?
Yes, it includes an LCD-TFT controller, MIPI DSI host, Chrom-ART graphical hardware accelerator, and hardware JPEG codec.
- What security features does the STM32H747BIT6 offer?
The device includes ROP, PC-ROP, active tamper, and a memory protection unit (MPU) for enhanced security.
- Can the STM32H747BIT6 be used in industrial and harsh environments?
Yes, it is suitable for industrial and harsh environments due to its wide operating temperature range and robust feature set.
