Overview
The STM32H742VGT6 is a high-performance microcontroller from STMicroelectronics, part of the STM32H742xI/G and STM32H743xI/G series. It is based on the 32-bit Arm® Cortex®-M7 core, operating at frequencies up to 480 MHz. This core includes a double-precision floating-point unit (FPU) and supports Arm® double-precision and single-precision data-processing instructions. The device is designed to enhance application security with a memory protection unit (MPU) and supports a full set of DSP instructions.
The microcontroller features extensive memory options, including up to 2 Mbytes of flash memory with read-while-write support and up to 1 Mbyte of RAM. It also includes a dual-mode Quad-SPI memory interface and a flexible external memory controller. The device is equipped with a wide range of peripherals and interfaces, making it suitable for complex and demanding applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache; frequency up to 480 MHz, MPU, 1027 DMIPS/ 2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions |
| Memories | Up to 2 Mbytes of flash memory with read-while-write support, up to 1 Mbyte of RAM (including 192 Kbytes of TCM RAM, up to 864 Kbytes of user SRAM, and 4 Kbytes of backup SRAM) |
| Memory Interface | Dual mode Quad-SPI memory interface running up to 133 MHz, flexible external memory controller with up to 32-bit data bus |
| Power Management | 3 separate power domains, 1.62 to 3.6 V application supply and I/Os, dedicated USB power, embedded regulator (LDO), voltage scaling in Run and Stop mode |
| Peripherals | Up to 168 I/O ports with interrupt capability, 3 ADCs, 2 DACs, 2 ultra-low power comparators, low-power RTC, high-resolution timer, 12 general-purpose 16-bit timers, 2 PWM timers for motor control, 5 low-power timers |
| Communication Interfaces | 4× I2Cs FM+ interfaces, 4× USARTs/4x UARTs, 6× SPIs, 2× SD/SDIO/MMC interfaces, 2× CAN controllers, 2× USB OTG interfaces, Ethernet MAC interface with DMA controller |
| Package | LQFP 100 14x14x1.4 mm |
| Operating Temperature | -40°C to 125°C |
Key Features
- High-performance 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache.
- Up to 2 Mbytes of flash memory and up to 1 Mbyte of RAM, including 192 Kbytes of TCM RAM.
- Dual-mode Quad-SPI memory interface and flexible external memory controller.
- Extensive range of peripherals including ADCs, DACs, comparators, timers, and communication interfaces.
- Advanced security features such as ROP, PC-ROP, and active tamper.
- Low-power modes including Sleep, Stop, Standby, and VBAT with battery charging capability.
- Multiple power domains that can be independently clock-gated or switched off.
- Embedded regulator (LDO) with configurable scalable output and dedicated USB power.
- Graphics capabilities including LCD-TFT controller and Chrom-ART graphical hardware Accelerator.
Applications
- Industrial automation and control systems.
- Medical devices requiring high precision and reliability.
- Aerospace and defense applications due to its robust security features.
- Automotive systems, including advanced driver-assistance systems (ADAS) and infotainment.
- IoT devices that require high performance and low power consumption.
- Consumer electronics such as smart home devices and wearables.
Q & A
- What is the core architecture of the STM32H742VGT6?
The STM32H742VGT6 is based on the 32-bit Arm® Cortex®-M7 core with a double-precision FPU and L1 cache.
- What are the memory options available on this microcontroller?
It includes up to 2 Mbytes of flash memory and up to 1 Mbyte of RAM, with 192 Kbytes of TCM RAM.
- What types of communication interfaces does the STM32H742VGT6 support?
The device supports multiple communication interfaces including I2Cs, USARTs, SPIs, SD/SDIO/MMC, CAN, USB OTG, and Ethernet.
- What are the power management features of the STM32H742VGT6?
The device has 3 separate power domains, dedicated USB power, an embedded regulator (LDO), and low-power modes such as Sleep, Stop, Standby, and VBAT.
- What is the operating temperature range of the STM32H742VGT6?
The operating temperature range is -40°C to 125°C.
- What security features are included in the STM32H742VGT6?
The device includes ROP, PC-ROP, active tamper, and a memory protection unit (MPU).
- What types of timers are available on the STM32H742VGT6?
The device includes a high-resolution timer, general-purpose timers, low-power timers, and advanced motor control timers.
- Does the STM32H742VGT6 support graphics and display interfaces?
Yes, it includes an LCD-TFT controller and a Chrom-ART graphical hardware Accelerator.
- What is the package type of the STM32H742VGT6?
The package type is LQFP 100 14x14x1.4 mm.
- Is the STM32H742VGT6 suitable for low-power applications?
Yes, it has multiple low-power modes and a VBAT battery operating mode with charging capability.
