STM32H7A3RGT6 - 280MHz Cortex-M7 MCU with 1.4MB RAM | STMicroelectronics
部品番号: STM32H7A3RGT6 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 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 |
STM32H7A3RGT6 概要
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (RAM and flash), and programmable input/output peripherals. The STM32H7A3RGT6 belongs to the STM32H7 family, which is part of the broader STM32 series of 32-bit microcontrollers. These MCUs are widely used in industrial control, consumer electronics, and IoT devices due to their balance of performance, power efficiency, and peripheral integration.
Key features of the STM32H7A3RGT6 include a 280 MHz ARM Cortex-M7 core with double-precision floating-point unit (FPU), 1.4 MB of SRAM, and 2 MB of flash memory. It supports external memory interfaces for SDRAM, SRAM, and NOR flash, and includes a Chrom-ART Accelerator for graphics. The device also features a comprehensive set of security features, including hardware cryptographic acceleration and a true random number generator (TRNG).
The STM32H7A3RGT6 is built on a high-performance architecture that includes a 32-bit multi-AHB bus matrix, enabling efficient data transfer between the core, memory, and peripherals. The Cortex-M7 core with its 6-stage pipeline and branch prediction delivers high instruction throughput, making it suitable for real-time control and digital signal processing applications. The device also includes a memory protection unit (MPU) and a cache for both instruction and data, enhancing system reliability and performance.
Typical applications include industrial automation, motor control, smart home devices, and high-end consumer electronics. The large memory and high clock speed make it ideal for applications requiring complex algorithms, such as predictive maintenance and advanced user interfaces. The device's rich connectivity options, including Ethernet, USB, and multiple UART/SPI/I2C interfaces, enable seamless integration into networked systems.
When designing with the STM32H7A3RGT6, ensure proper power supply decoupling with 100 nF capacitors close to each power pin and a 4.7 uF bulk capacitor. The device supports a wide supply voltage range of 1.62V to 3.6V, allowing flexible power design. For high-speed interfaces, follow the layout guidelines in the datasheet to maintain signal integrity.
ドロップイン代替品: STM32H7A3RGT6 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: STM32H7A3RGT6 （同一形状・フットプリント） — 相違点: Core, Package, SRAM.
クイック比較ツール — 並列比較する代替部品を選択:
STM32H743RGT6
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STM32H750RBT6
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STM32H753RGT6
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STM32H7A3RIT6
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$10.2 / 個
データシートを見る →STM32H7A3RGT6Q
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STM32H7A3RGT6 最大定格＆電気的特性
| Core | ARM Cortex-M7 |
| Maximum Clock Speed | 280 MHz |
| Flash Memory | 2 MB |
| SRAM | 1.4 MB |
| パッケージ | LQFP64 |
| Supply Voltage Range | 1.62 V to 3.6 V |
| 動作温度範囲 | -40C to +85C |
| Number of I/O Pins | 50 |
| ADC Resolution | 16-bit |
| DAC Resolution | 12-bit |
| Communication Interfaces | Ethernet, USB, UART, SPI, I2C |
| Timers | Multiple 16-bit and 32-bit timers |
| Cryptographic Acceleration | Yes (hardware) |
| True Random Number Generator | Yes |
| RoHS ステータス | Compliant |
STM32H7A3RGT6 ピン構成
| ピン 1 | VBAT — Battery backup supply |
| ピン 2 | PC13 — GPIO / RTC output |
| ピン 3 | PC14 — GPIO / OSC32_IN |
| ピン 4 | PC15 — GPIO / OSC32_OUT |
| ピン 5 | PF0 — GPIO |
| ピン 6 | PF1 — GPIO |
| ピン 7 | NRST — Reset (active low) |
| ピン 8 | VDD — Digital power supply |
| ピン 9 | VSS — Ground |
| ピン 10 | PA0 — GPIO / ADC input |
| ピン 11 | PA1 — GPIO / ADC input |
| ピン 12 | PA2 — GPIO / USART2_TX |
主な用途
STM32H7A3RGT6 の用途: 6 件s: Industrial Automation, Motor Control, Smart Home Devices, High-End Consumer Electronics, IoT Gateways, Medical Devices.
Industrial Automation
The STM32H7A3RGT6 is ideal for industrial automation due to its high processing power, large memory, and rich connectivity. Its 280 MHz Cortex-M7 core with FPU enables real-time control of complex processes, while the multiple UART, SPI, and I2C interfaces allow seamless integration with sensors and actuators. The device's support for external memory interfaces enables data logging and buffering for predictive maintenance systems. Its wide supply voltage range and robust design make it suitable for harsh industrial environments.
おすすめ
Motor Control
The STM32H7A3RGT6 excels in motor control applications, leveraging its high clock speed and advanced timer peripherals to generate precise PWM signals. The Cortex-M7 core with double-precision FPU handles complex control algorithms like field-oriented control (FOC) with ease. The device's multiple ADCs enable accurate current and voltage sensing, while its rich communication interfaces support real-time monitoring and diagnostics. The large SRAM allows for efficient data buffering and algorithm execution, making it a top choice for high-performance motor drives.
おすすめ
Smart Home Devices
The STM32H7A3RGT6 is well-suited for smart home devices, offering a balance of performance and power efficiency. Its low-power modes and wide supply voltage range support battery-operated devices, while its connectivity options (Ethernet, USB, UART, SPI, I2C) enable seamless integration into home networks. The device's security features, including hardware cryptographic acceleration, protect sensitive data in smart home applications. The Chrom-ART Accelerator enhances graphical user interfaces on connected displays, making it ideal for smart thermostats, security panels, and voice assistants.
おすすめ
High-End Consumer Electronics
The STM32H7A3RGT6 is designed for high-end consumer electronics, such as smart speakers, gaming peripherals, and advanced wearables. Its 280 MHz Cortex-M7 core and large memory enable complex audio processing and real-time user interfaces. The device's rich peripheral set, including multiple timers and communication interfaces, supports a wide range of sensors and actuators. The Chrom-ART Accelerator and external memory interfaces allow for high-resolution graphics and smooth animations. Its security features ensure secure firmware updates and data protection, making it a reliable choice for premium consumer products.
おすすめ
IoT Gateways
The STM32H7A3RGT6 is an excellent choice for IoT gateways, providing the processing power and connectivity needed to aggregate data from multiple sensors and devices. Its Ethernet and USB interfaces enable high-speed data transfer to the cloud, while its multiple UART, SPI, and I2C interfaces connect to various sensor nodes. The device's large memory supports data buffering and protocol stacks, and its security features ensure secure communication. The low-power modes help reduce energy consumption in always-on gateway applications.
おすすめ
Medical Devices
The STM32H7A3RGT6 is suitable for medical devices that require high reliability and performance, such as patient monitors, infusion pumps, and diagnostic equipment. Its high clock speed and FPU enable real-time signal processing for accurate measurements. The device's rich analog peripherals, including ADCs and DACs, interface with sensors and actuators. The large memory supports complex algorithms and data logging. Its security features protect patient data, and its wide operating temperature range ensures reliable operation in clinical environments.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: STM32H7A3RGT6 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | STM32H743RGT6 | STM32H750RBT6 | STM32H753RGT6 |
|---|---|---|---|---|
| Package | LQFP64 | LQFP64 | LQFP64 | LQFP64 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Maximum Clock Speed | 280 MHz | 480 MHz | 480 MHz | 480 MHz |
| Flash Memory | 2 MB | 2 MB | 128 KB | 2 MB |
| SRAM | 1.4 MB | 1 MB | 1 MB | 1 MB |
| Supply Voltage Range | 1.62V to 3.6V | 1.62V to 3.6V | 1.62V to 3.6V | 1.62V to 3.6V |
| Cryptographic Acceleration | Yes | Yes | Yes | Yes |
| TRNG | Yes | Yes | Yes | Yes |
主な差別化要因
- Larger SRAM (1.4 MB) compared to alternatives （vs STM32H743RGT6)
- Lower maximum clock speed (280 MHz) but lower power consumption （vs STM32H743RGT6)
- Same package and pin compatibility （vs STM32H750RBT6)
設計ノート
Ensure proper power supply decoupling with 100 nF capacitors close to each power pin and a 4.7 uF bulk capacitor. The device supports a wide supply voltage range of 1.62V to 3.6V, allowing flexible power design. For high-speed interfaces, follow the layout guidelines in the datasheet to maintain signal integrity.
For high-speed interfaces like Ethernet and USB, follow the layout guidelines in the datasheet to maintain signal integrity. Use controlled impedance traces and keep trace lengths matched. Place the crystal oscillator close to the MCU and ensure proper grounding.
The STM32H7A3RGT6 in LQFP64 package has a thermal resistance of approximately 45 C/W (theta_JA). At 280 MHz with full peripheral usage, power dissipation can reach 500 mW, resulting in a temperature rise of about 22.5C above ambient. Ensure adequate airflow or a thermal pad for high-temperature environments.
コンプライアンス情報
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified - choose STM32H7A3RGT6Q for automotive.
