STM32F427IIH6 - 180MHz ARM Cortex-M4 MCU with FPU | STMicroelectronics
Артикул: STM32F427IIH6 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $11.25 | $112,50 |
| 100 | $10 | $1.000,00 |
| 500 | $9 | $4.500,00 |
| 1.000 | $8.1 | $8.100,00 |
STM32F427IIH6 Обзор
What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory (RAM and flash), and programmable input/output peripherals on a single chip. Microcontrollers are the brains of countless electronic devices, from automotive engine control units to IoT sensors and consumer electronics. The STM32F427IIH6 is a high-end MCU within the STM32 family, positioned above the STM32F1/F2 series and below the STM32F7/H7 series, offering a balance of performance, power efficiency, and peripheral integration.
Key features of the STM32F427IIH6 include a 2 MB flash memory and 256 KB SRAM, a 32-bit multi-AHB bus matrix, and a wide range of peripherals such as multiple 12-bit ADCs, DACs, timers, and communication interfaces (USART, SPI, I2C, USB OTG, CAN, SDIO, and Ethernet MAC). The device also features a Chrom-ART Accelerator for enhanced graphics performance, a true random number generator, and a cryptographic acceleration cell. The core operates at 180 MHz, delivering 225 DMIPS/1.25 DMIPS/MHz, making it suitable for compute-intensive applications.
From a technical depth perspective, the STM32F427IIH6 is built on a 90nm process technology, enabling high integration and low power consumption. It supports a wide supply voltage range of 1.8V to 3.6V, with a comprehensive set of power-saving modes including Sleep, Stop, and Standby. The device includes a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for efficient real-time processing. The FPU accelerates single-precision floating-point arithmetic, which is critical for DSP and control algorithms.
Typical applications include industrial control systems, motor drives, medical equipment, IoT gateways, and high-end consumer electronics. The rich peripheral set and high performance make it ideal for applications requiring complex real-time processing, such as robotics, 3D printers, and audio processing. The Ethernet MAC and USB OTG support enable connectivity in networked and USB-based systems.
When designing with this device, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin must be connected to a clean analog supply, and the VREF+ pin should be decoupled with a 1uF capacitor. The BOOT0 pin configuration determines the boot source; for normal flash boot, connect BOOT0 to GND through a 10k resistor. Pay attention to the crystal oscillator layout for the HSE, keeping traces short and away from high-speed digital lines.
Аналоги без доработки для STM32F427IIH6 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с STM32F427IIH6 (тот же форм-фактор и посадочное место) — отличается по Flash Memory, Package, ADC, Communication Interfaces, Operating Temperature.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
STM32F427IIT6
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$11.2 / шт.
Открыть даташит →STM32F429IIT6
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$8.3523 / шт.
Открыть даташит →STM32F427IIH6 Максимальные параметры и электрические характеристики
| Core | ARM Cortex-M4 with FPU |
| Максимальная тактовая частота | 180 MHz |
| Flash Memory | 2 MB |
| SRAM | 256 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Диапазон рабочих температур | -40°C to +85°C |
| Корпус | UFBGA-176 (10x10 mm) |
| Number of I/O Pins | 140 |
| ADC Resolution | 12-bit |
| Number of ADC Channels | 24 |
| DAC Resolution | 12-bit |
| Number of Timers | 14 |
| Communication Interfaces | USART, SPI, I2C, USB OTG, CAN, SDIO, Ethernet MAC |
| DMA Channels | 16 |
| Статус RoHS | Compliant |
Конфигурация выводов STM32F427IIH6
| Контакт A1 | VDD — Digital power supply |
| Контакт A2 | VSS — Digital ground |
| Контакт A3 | PA0 — GPIO / ADC12_IN0 / WKUP |
| Контакт A4 | PA1 — GPIO / ADC12_IN1 |
| Контакт A5 | PA2 — GPIO / USART2_TX / ADC12_IN2 |
| Контакт A6 | PA3 — GPIO / USART2_RX / ADC12_IN3 |
| Контакт A7 | PA4 — GPIO / DAC_OUT1 / ADC12_IN4 |
| Контакт A8 | PA5 — GPIO / DAC_OUT2 / ADC12_IN5 |
| Контакт A9 | PA6 — GPIO / SPI1_MISO / ADC12_IN6 |
| Контакт A10 | PA7 — GPIO / SPI1_MOSI / ADC12_IN7 |
| Контакт A11 | PA8 — GPIO / TIM1_CH1 / MCO1 |
| Контакт A12 | PA9 — GPIO / USART1_TX / TIM1_CH2 |
| Контакт A13 | PA10 — GPIO / USART1_RX / TIM1_CH3 |
| Контакт A14 | PA11 — GPIO / USB_DM / CAN_RX |
| Контакт A15 | PA12 — GPIO / USB_DP / CAN_TX |
Типичное применение
STM32F427IIH6 подходит для 6 применениеs: Industrial Control Systems, Motor Drives, IoT Gateways, Medical Equipment, Audio Processing, Robotics.
Industrial Control Systems
The STM32F427IIH6 is ideal for industrial control systems due to its high performance (180 MHz Cortex-M4 with FPU), rich peripheral set including multiple timers, ADCs, and communication interfaces (CAN, Ethernet, USART). It can handle complex control algorithms, real-time data acquisition, and networking. In a typical PLC (Programmable Logic Controller), the MCU manages I/O modules, executes ladder logic, and communicates over industrial Ethernet. The FPU accelerates floating-point calculations for PID controllers and motor control. The device's wide temperature range and robust design ensure reliable operation in factory environments. With 2 MB flash and 256 KB SRAM, it can store large firmware and data logs. The cryptographic acceleration cell enables secure communication protocols, essential for Industry 4.0 applications.
Рекомендуется
Motor Drives
The STM32F427IIH6 excels in motor drive applications, such as brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) control. Its advanced timers generate complementary PWM signals with dead-time insertion, while the 12-bit ADCs sample phase currents and DC bus voltage. The Cortex-M4 FPU executes field-oriented control (FOC) algorithms efficiently, enabling high-bandwidth current loops. The device supports sensorless and sensor-based control, with encoder or Hall sensor interfaces. In a typical motor drive, the MCU reads rotor position, computes the next PWM duty cycle, and updates the inverter switches. The high clock speed ensures low latency, and the DMA controller offloads data transfer. The device's robust I/O structure handles high-voltage isolation requirements. With 2 MB flash, it can store multiple motor profiles and diagnostic routines.
Рекомендуется
IoT Gateways
The STM32F427IIH6 is well-suited for IoT gateways that aggregate data from multiple sensors and communicate over Ethernet, Wi-Fi, or cellular networks. Its Ethernet MAC enables direct connection to LAN, while USB OTG supports external modems or storage. The cryptographic acceleration cell provides hardware-accelerated AES, RSA, and SHA, ensuring secure data transmission. The device can run embedded Linux or a real-time OS, handling protocol stacks like MQTT, CoAP, and TLS. With 2 MB flash and 256 KB SRAM, it can buffer sensor data and run edge analytics. The multiple UARTs, SPI, and I2C interfaces connect to various sensors and actuators. In a smart building gateway, the MCU collects temperature, humidity, and occupancy data, processes it, and sends it to the cloud. The low-power modes help reduce energy consumption when idle.
Рекомендуется
Medical Equipment
The STM32F427IIH6 is used in medical equipment such as patient monitors, infusion pumps, and diagnostic devices. Its high performance enables real-time signal processing, such as ECG and EEG analysis. The multiple ADCs capture biosignals with high resolution, and the FPU accelerates digital filtering and feature extraction. The device's reliability and long-term availability are critical for medical applications. It supports safety-critical features like memory protection and watchdog timers. In a patient monitor, the MCU reads vital signs, displays waveforms on an LCD, and alerts staff on anomalies. The Ethernet and USB interfaces allow data logging and connectivity to hospital networks. The device's low power consumption extends battery life in portable devices. Compliance with medical standards is supported by ST's quality processes.
Рекомендуется
Audio Processing
The STM32F427IIH6 is powerful enough for audio processing applications, such as audio effects processors, mixers, and voice-controlled devices. The Cortex-M4 FPU accelerates DSP algorithms like FIR filters, FFT, and audio codecs. The device includes I2S interfaces for connecting to audio codecs and DACs. With 2 MB flash, it can store audio samples and processing code. In a guitar effects pedal, the MCU samples the input signal, applies effects like reverb or distortion, and outputs the processed audio. The high clock speed ensures low latency, critical for real-time audio. The device's DMA controller efficiently transfers audio data between peripherals and memory. The cryptographic acceleration cell can be used for secure audio streaming. The rich peripheral set allows integration with user interfaces, such as buttons and displays.
Рекомендуется
Robotics
The STM32F427IIH6 is a popular choice for robotics applications, including drones, robotic arms, and autonomous vehicles. Its high performance enables complex control algorithms, sensor fusion, and path planning. The multiple timers and ADCs interface with motor drivers and sensors. The FPU accelerates kinematics calculations and Kalman filtering. In a drone, the MCU reads IMU data, computes attitude, and controls the four motors via PWM. The device's communication interfaces (UART, SPI, I2C) connect to GPS, telemetry, and obstacle avoidance sensors. The 2 MB flash stores flight control firmware and logs. The device's low power consumption is crucial for battery-powered robots. The cryptographic acceleration cell can secure communication links. The wide temperature range ensures operation in outdoor environments.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для STM32F427IIH6 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | STM32F427IIT6 | STM32F429IIT6 | STM32F427VIT6 | LPC4370 |
|---|---|---|---|---|---|
| Package | UFBGA-176 | UFBGA-176 | UFBGA-176 | LQFP-100 | BGA-256 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core Clock | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 204 MHz |
| Flash Memory | 2 MB | 2 MB | 2 MB | 2 MB | 512 KB |
| SRAM | 256 KB | 256 KB | 256 KB | 256 KB | 136 KB |
| Ethernet MAC | Yes | Yes | Yes | Yes | Yes |
| TFT-LCD Controller | No | No | Yes | No | No |
| Operating Temperature Range | -40°C to +85°C | -40°C to +105°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
Ключевые отличия
- Higher clock speed and memory (против STM32F407VGT6)
- Integrated Ethernet MAC and cryptographic acceleration (против STM32F407VGT6)
- Chrom-ART Accelerator for graphics (против STM32F407VGT6)
Заметки по проектированию
The STM32F427IIH6 requires a clean power supply. Connect each VDD pin to a 100nF ceramic capacitor placed as close as possible to the pin, and add a 4.7uF bulk capacitor per supply group. The VDDA pin must be connected to a separate analog supply, decoupled with a 1uF capacitor. VREF+ should be decoupled with a 1uF capacitor to ensure ADC accuracy. Use a low-impedance ground plane to minimize noise.
For the UFBGA-176 package, ensure proper solder paste stencil design to achieve good ball-to-pad contact. Use a 0.3mm aperture for the 0.4mm pitch balls. Place decoupling capacitors on the opposite side of the PCB, directly under the VDD balls, to minimize loop inductance. Route high-speed signals (Ethernet, USB) with controlled impedance and keep traces short.
A common pitfall is incorrect BOOT0 configuration. For normal flash boot, connect BOOT0 to GND through a 10k resistor. If BOOT0 is left floating, the device may enter bootloader mode unexpectedly. Also, ensure the HSE crystal is properly connected with load capacitors as specified in the datasheet. Avoid exceeding the absolute maximum ratings on any pin, especially VDDA and VREF+.
Информация о соответствии
RoHS and REACH compliant per STMicroelectronics. Not AEC-Q100 qualified; for automotive, consider STM32F427IIT6 or other automotive-grade variants.
