STM32H742VIT6 - 480MHz Cortex-M7 MCU with 2MB Flash | STMicroelectronics
料号： STM32H742VIT6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10 | $1,000.00 |
| 500 | $9 | $4,500.00 |
| 1,000 | $8.5 | $8,500.00 |
STM32H742VIT6 概述
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32H742VIT6 belongs to the STM32H7 series, which is part of the broader STM32 family of 32-bit Flash microcontrollers. This family is widely used in embedded systems across automotive, industrial, and consumer domains, offering a balance of performance, power efficiency, and peripheral integration.
Key features of the STM32H742VIT6 include a 480 MHz Cortex-M7 core with double-precision FPU, a Chrom-ART Accelerator for graphics, and a comprehensive set of communication interfaces including Ethernet, USB OTG HS/FS, CAN FD, and multiple USART/SPI/I2C. It also integrates advanced analog peripherals such as 3x 16-bit ADCs, 2x 12-bit DACs, and a true random number generator. The device supports a wide supply voltage range of 1.62V to 3.6V and operates over a temperature range of -40°C to +85°C.
The STM32H742VIT6 is built on a high-performance architecture with an L1 cache, enabling zero-wait-state execution from Flash. It includes a power management unit with multiple low-power modes, making it suitable for battery-powered applications. The device also features a hardware cryptographic accelerator (AES, DES, 3DES) and a secure boot option, enhancing security for IoT and connectivity applications.
Typical applications include industrial automation, motor control, robotics, audio processing, and high-end consumer devices such as smart home hubs and wearable devices. The rich peripheral set and high processing power make it ideal for real-time control and signal processing tasks.
When designing with this MCU, careful attention must be paid to power supply decoupling and PCB layout to ensure stable operation at 480 MHz. The device requires a 1.8V supply for the internal logic and a 3.3V supply for I/O, with proper bypass capacitors placed close to the power pins.
直接替换替代料： STM32H742VIT6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32H742VIT6 （相同外形与封装尺寸） ——差异在于 Package, Communication Interfaces, Flash Memory, RoHS Status, Core Architecture.
快速对比工具——选择替代料号进行并排对比：
STM32H743VIT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$7.98 / 个
查看数据手册 →STM32H753VIT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32H750VBT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.25 / 个
查看数据手册 →STM32H742VIT6 最大额定值与电气特性
| Core | ARM Cortex-M7 |
| Max Clock Speed | 480 MHz |
| Flash Memory | 2 MB |
| RAM | 1 MB |
| 封装 | LQFP100 (14x14 mm) |
| 电源电压 | 1.62V to 3.6V |
| 工作温度 | -40°C to +85°C |
| GPIO Pins | 82 |
| ADC | 3x 16-bit |
| DAC | 2x 12-bit |
| Communication Interfaces | Ethernet, USB OTG HS/FS, CAN FD, USART, SPI, I2C |
| Timers | 22 (including advanced-control) |
| DMA | 2x DMA controllers with 16 streams each |
| Cryptographic Acceleration | AES, DES, 3DES |
| RoHS 状态 | Compliant |
STM32H742VIT6 引脚配置
| 引脚 1 | VBAT — Battery backup supply |
| 引脚 2 | PC13 — GPIO / RTC output |
| 引脚 3 | PC14 — GPIO / OSC32_IN |
| 引脚 4 | PC15 — GPIO / OSC32_OUT |
| 引脚 5 | PF0 — GPIO |
| 引脚 6 | PF1 — GPIO |
| 引脚 7 | NRST — Reset (active low) |
| 引脚 8 | VDD — Digital power supply (3.3V) |
| 引脚 9 | VSS — Ground |
| 引脚 10 | VDDA — Analog power supply (3.3V) |
| 引脚 11 | PA0 — GPIO / ADC input |
| 引脚 12 | PA1 — GPIO / ADC input |
| 引脚 13 | PA2 — GPIO / USART2_TX |
| 引脚 14 | PA3 — GPIO / USART2_RX |
| 引脚 15 | PA4 — GPIO / SPI1_NSS |
| 引脚 16 | PA5 — GPIO / SPI1_SCK |
| 引脚 17 | PA6 — GPIO / SPI1_MISO |
| 引脚 18 | PA7 — GPIO / SPI1_MOSI |
| 引脚 19 | PA8 — GPIO / USB_OTG_FS_SOF |
| 引脚 20 | PA9 — GPIO / USART1_TX |
典型应用
STM32H742VIT6 适用于 6 应用s: Industrial Automation, Motor Control, Audio Processing, IoT and Smart Home, Medical Devices, Robotics.
Industrial Automation
The STM32H742VIT6 is ideal for industrial automation due to its high processing power, multiple communication interfaces (Ethernet, CAN FD), and advanced timers. It can handle real-time control of PLCs, robotics, and motor drives. The 480 MHz Cortex-M7 core enables complex algorithms like predictive maintenance and machine vision. Its wide temperature range and robust peripherals ensure reliable operation in harsh industrial environments.
推荐
Motor Control
The STM32H742VIT6 excels in motor control applications, offering high-speed PWM generation, multiple ADCs for current sensing, and advanced timers for FOC (Field-Oriented Control). Its 480 MHz core can execute complex control loops with minimal latency, improving efficiency and torque ripple. The device supports various motor types including BLDC, PMSM, and stepper motors, making it a versatile choice for robotics and industrial drives.
推荐
Audio Processing
With its high clock speed and DSP instructions, the STM32H742VIT6 is well-suited for audio processing applications such as audio effects, voice recognition, and high-resolution audio streaming. It includes multiple I2S and SAI interfaces for connecting audio codecs and amplifiers. The device can handle real-time audio algorithms like noise cancellation and equalization, making it ideal for smart speakers, hearing aids, and professional audio equipment.
推荐
IoT and Smart Home
The STM32H742VIT6 is a powerful choice for IoT and smart home hubs, offering Ethernet, USB, and multiple wireless interfaces (via external modules). Its hardware cryptographic acceleration ensures secure communication, and its low-power modes enable battery-operated devices. The device can manage multiple sensors and actuators, making it suitable for smart home automation, environmental monitoring, and security systems.
推荐
Medical Devices
The STM32H742VIT6 is used in medical devices such as patient monitors, infusion pumps, and diagnostic equipment due to its high reliability, precise analog peripherals, and secure boot features. Its 16-bit ADCs provide accurate sensor readings, and its processing power enables real-time signal processing for ECG, EEG, and imaging. The device's long-term availability and compliance with medical standards make it a trusted choice for medical electronics.
推荐
Robotics
The STM32H742VIT6 is ideal for robotics applications, providing high-speed processing for navigation, perception, and control. Its multiple timers and ADCs enable precise motor control, while its communication interfaces allow integration with sensors and actuators. The device can run complex algorithms like SLAM (Simultaneous Localization and Mapping) and path planning, making it suitable for autonomous robots, drones, and robotic arms.
推荐
推荐产品汇总
工程参考数据： STM32H742VIT6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM32H743VIT6 | STM32H753VIT6 | STM32H750VBT6 |
|---|---|---|---|---|
| Package | LQFP100 | LQFP100 | LQFP100 | LQFP100 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Max Clock Speed | 480 MHz | 480 MHz | 480 MHz | 480 MHz |
| Flash Memory | 2 MB | 2 MB | 2 MB | 128 KB |
| RAM | 1 MB | 1 MB | 1 MB | 1 MB |
| GPIO Pins | 82 | 82 | 82 | 82 |
| Ethernet | Yes | Yes | Yes | Yes |
| Hardware JPEG Codec | No | Yes | Yes | No |
关键差异点
- Higher clock speed than many competitors （对比 STM32F746VGT6)
- Larger Flash and RAM （对比 STM32F746VGT6)
- Integrated Ethernet and cryptographic acceleration （对比 STM32F746VGT6)
设计说明
The STM32H742VIT6 requires a 3.3V supply for I/O and a 1.8V supply for the internal logic. Use separate voltage regulators for VDD and VDD18, and place 100nF decoupling capacitors close to each power pin. For VDDA, use a ferrite bead and a 1uF capacitor to filter analog noise.
For 480 MHz operation, ensure a solid ground plane and minimize trace lengths for high-speed signals. Use impedance-controlled traces for Ethernet and USB lines. Place the crystal oscillator close to the MCU and keep the load capacitors within 5mm of the OSC pins.
Do not forget to connect the VCAP pins with the recommended capacitor values (2.2uF) to stabilize the internal voltage regulator. Also, ensure the BOOT0 pin is properly configured to avoid unexpected boot modes. For programming, use the SWD interface with proper pull-up resistors on SWDIO and SWCLK.
合规信息
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive use, consider STM32H7A3 series.
