STMicroelectronics

STM32H7A3RGT6 - 280MHz Cortex-M7 MCU with 1.4MB RAM | STMicroelectronics

부품 번호: STM32H7A3RGT6 ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
1.62 V to 3.6 V Vdss LQFP64 Package 280 MHz Speed 2 MB Memory
시작가 $8.1 USD / 개
MOQ: 1 |
가격 업데이트: 2026-08-17
볼륨 가격
수량 단가 합계
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
ℹ️ 모든 가격은 USD 기준입니다

STM32H7A3RGT6 개요

The STMicroelectronics STM32H7A3RGT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M7 core, operating at up to 280 MHz. It is part of the STM32H7A3 line, which is optimized for applications requiring high processing power, large memory, and advanced connectivity. The device is housed in a 64-pin LQFP package (LQFP64) and offers a rich set of peripherals, including multiple communication interfaces, analog-to-digital converters, and timers.

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.

드롭인 대체품: STM32H7A3RGT6 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: STM32H7A3RGT6 (동일 폼 팩터 및 풋프린트) — 차이점: Core, Package, SRAM.

STMicroelectronics
Core: ARM Cortex-M7 32-bit
Package: 64-LQFP (10x10 mm)
SRAM: 1376 KB (1 MB DTCM + 376 KB system SRAM)
비교 대상: STM32H7A3RGT6 →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

STM32H743RGT6

✅ 드롭인 ⚠️ 사양 미검증
📦 LQFP64
Higher clock speed (480 MHz vs 280 MHz), 1 MB SRAM vs 1.4 MB

📋 참조 대체품 (카탈로그에 없음)

STM32H750RBT6

✅ 드롭인 ⚠️ 사양 미검증
📦 LQFP64
Lower flash (128 KB vs 2 MB), same package

📋 참조 대체품 (카탈로그에 없음)

STM32H753RGT6

✅ 드롭인 ⚠️ 사양 미검증
📦 LQFP64
Higher clock speed (480 MHz vs 280 MHz), similar memory

📋 참조 대체품 (카탈로그에 없음)

STM32H7A3RIT6

✅ 드롭인 ⚠️ 사양 미검증
STMicroelectronics
📦 LQFP64
ARM Cortex-M7 32-bit · 280 MHz · 2 MB Flash with ECC · 1376 KB (1 MB DTCM + 376 KB system SRAM) · 1.62 V to 3.6 V · 64-LQFP (10x10 mm) · Surface Mount · 1.62 V to 3.6 V

✓ 재고 있음

$10.2 / 개

데이터시트 보기 →

STM32H7A3RGT6Q

✅ 드롭인 ⚠️ 사양 미검증
📦 LQFP64
Automotive grade variant, same package

📋 참조 대체품 (카탈로그에 없음)

STM32H7A3RGT6 최대 정격 & 전기적 특성

Core ARM Cortex-M7
Maximum Clock Speed 280 MHz
Flash Memory 2 MB
SRAM 1.4 MB
패키지 LQFP64
Supply Voltage Range 1.62 V to 3.6 V
동작 온도 범위 -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 상태 Compliant

STM32H7A3RGT6 핀 구성

QFP-64 Package Pinout Diagram QFP-64 10x10mm, P0.5mm, JEDEC MS-026. 1 16 QFP-64
핀 1 VBAT — Battery backup supply
핀 2 PC13 — GPIO / RTC output
핀 3 PC14 — GPIO / OSC32_IN
핀 4 PC15 — GPIO / OSC32_OUT
핀 5 PF0 — GPIO
핀 6 PF1 — GPIO
핀 7 NRST — Reset (active low)
핀 8 VDD — Digital power supply
핀 9 VSS — Ground
핀 10 PA0 — GPIO / ADC input
핀 11 PA1 — GPIO / ADC input
핀 12 PA2 — GPIO / USART2_TX

일반적인 애플리케이션

STM32H7A3RGT6 적합 용도: 6 애플리케이션s: 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.

⚡

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.

🧩

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.

📱

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.

🌐

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.

💊

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.

추천 제품 요약

TJA1050 NXP Semiconductors 사용처: Industrial Automation ISO7741 Digital isolator for signal isolation 사용처: Industrial Automation IR2104 Gate driver for MOSFET/IGBT 사용처: Motor Control ACS712 Allegro MicroSystems 사용처: Motor Control ESP8266 Wi-Fi module for IoT connectivity 사용처: Smart Home Devices SHT30 Temperature and humidity sensor 사용처: Smart Home Devices WM8960 Audio codec for high-quality sound 사용처: High-End Consumer Electronics SSD1963 Solomon Systech 사용처: High-End Consumer Electronics LAN8720A Ethernet PHY for network connectivity 사용처: IoT Gateways SX1276 LoRa transceiver for long-range communication 사용처: IoT Gateways ADS1298 Biopotential ADC for ECG/EEG 사용처: Medical Devices MAX30102 Pulse oximeter sensor 사용처: Medical Devices
What is the maximum clock speed of STM32H7A3RGT6?
The STM32H7A3RGT6 operates at a maximum clock speed of 280 MHz. According to the STMicroelectronics datasheet, this is achieved with the ARM Cortex-M7 core, which includes a double-precision floating-point unit for enhanced computational performance.
How much flash memory and SRAM does STM32H7A3RGT6 have?
The STM32H7A3RGT6 features 2 MB of flash memory and 1.4 MB of SRAM. This large memory capacity makes it suitable for complex applications such as advanced user interfaces and predictive maintenance algorithms.
What is the supply voltage range of STM32H7A3RGT6?
The STM32H7A3RGT6 supports a supply voltage range of 1.62V to 3.6V. This wide range allows flexible power design, accommodating both low-power and standard 3.3V systems.
What package is STM32H7A3RGT6 available in?
The STM32H7A3RGT6 is available in a 64-pin LQFP package (LQFP64). This package is suitable for surface-mount assembly and provides a compact footprint for space-constrained designs.
Does STM32H7A3RGT6 support external memory interfaces?
Yes, the STM32H7A3RGT6 supports external memory interfaces for SDRAM, SRAM, and NOR flash. This allows designers to expand memory beyond the on-chip 2 MB flash and 1.4 MB SRAM for data-intensive applications.
What security features does STM32H7A3RGT6 include?
The STM32H7A3RGT6 includes hardware cryptographic acceleration and a true random number generator (TRNG). These features enhance system security for applications requiring secure communication and data protection.
Is STM32H7A3RGT6 suitable for motor control applications?
Yes, the STM32H7A3RGT6 is suitable for motor control due to its high clock speed, multiple timers, and advanced PWM capabilities. The Cortex-M7 core with FPU enables precise real-time control algorithms.
What is the difference between STM32H7A3RGT6 and STM32H743RGT6?
The STM32H7A3RGT6 and STM32H743RGT6 are both in the STM32H7 family, but the STM32H7A3RGT6 has a lower maximum clock speed (280 MHz vs 480 MHz) and different memory configuration. The STM32H7A3RGT6 offers 1.4 MB SRAM and 2 MB flash, while the STM32H743RGT6 has 1 MB SRAM and 2 MB flash. Both are pin-compatible in LQFP64, but the STM32H743RGT6 offers higher performance for compute-intensive tasks.
Can STM32H7A3RGT6 be used for IoT applications?
Yes, the STM32H7A3RGT6 is well-suited for IoT applications due to its rich connectivity options, including Ethernet, USB, and multiple UART/SPI/I2C interfaces. Its low power modes and security features also support battery-powered and secure IoT devices.
What is the lead time for STM32H7A3RGT6?
The lead time for STM32H7A3RGT6 is typically 8-12 weeks from major distributors like DigiKey and Mouser, as of 2026-08-14. However, lead times can vary based on stock levels and market demand.
Where can I buy STM32H7A3RGT6 online?
You can purchase STM32H7A3RGT6 from authorized distributors such as DigiKey, Mouser, and Arrow Electronics. As of 2026-08-14, it is available in stock at these distributors, with pricing starting at $12.50 for single-unit quantities.
What is the price of STM32H7A3RGT6?
As of 2026-08-14, the price of STM32H7A3RGT6 is approximately $12.50 for a single unit, $11.25 for 10 units, $10.00 for 100 units, $9.00 for 500 units, and $8.10 for 1000 units. Prices are subject to change based on distributor and quantity.
Is STM32H7A3RGT6 in stock?
As of 2026-08-14, STM32H7A3RGT6 is in stock at major distributors like DigiKey and Mouser. However, stock levels can fluctuate, so it is recommended to check the distributor's website for real-time availability.
What is the best drop-in replacement for STM32H7A3RGT6?
The best drop-in replacement for STM32H7A3RGT6 is the STM32H743RGT6, which is pin-compatible in the same LQFP64 package and offers higher performance (480 MHz). Other alternatives include the STM32H750RBT6 and STM32H753RGT6, which are also pin-compatible but have different memory configurations.
Can STM32H743RGT6 replace STM32H7A3RGT6?
Yes, the STM32H743RGT6 can replace the STM32H7A3RGT6 as it is pin-compatible in the LQFP64 package. However, the STM32H743RGT6 has a higher maximum clock speed (480 MHz) and different SRAM size (1 MB vs 1.4 MB), so software and memory usage must be reviewed.
Where can I download the STM32H7A3RGT6 datasheet PDF?
You can download the STM32H7A3RGT6 datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32h7a3rg.pdf. The datasheet contains full specifications, pinout, and application notes.
Where can I find the STM32H7A3RGT6 pinout?
The STM32H7A3RGT6 pinout is detailed in the official datasheet, available at https://www.st.com/resource/en/datasheet/stm32h7a3rg.pdf. The pinout diagram shows all 64 pins of the LQFP package, including power, ground, and I/O pins.
Is STM32H7A3RGT6 the same as STM32H743RGT6?
No, the STM32H7A3RGT6 and STM32H743RGT6 are not the same. While both are in the STM32H7 family and share the LQFP64 package, the STM32H743RGT6 has a higher maximum clock speed (480 MHz vs 280 MHz) and different SRAM size (1 MB vs 1.4 MB). They are pin-compatible but not identical.
What are the key specifications of STM32H7A3RGT6 that engineers should know?
The STM32H7A3RGT6 features a 280 MHz ARM Cortex-M7 core, 2 MB flash, 1.4 MB SRAM, and a 1.62V to 3.6V supply range. It includes a double-precision FPU, hardware cryptographic acceleration, and a TRNG. The device is housed in a 64-pin LQFP package and supports external memory interfaces for SDRAM, SRAM, and NOR flash.
What is the best NXP equivalent for STM32H7A3RGT6?
The best NXP equivalent for STM32H7A3RGT6 is the i.MX RT1052, which features a 600 MHz Cortex-M7 core and is available in a BGA package. However, it is not pin-compatible with the LQFP64 package, so a PCB redesign would be required. For a drop-in replacement, stick with STM32H7 family members.

엔지니어링 참조 데이터: STM32H7A3RGT6 — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the STM32H7A3RGT6 when you need a high-performance MCU with large SRAM (1.4 MB) and moderate clock speed (280 MHz) for applications like industrial automation, motor control, and smart home devices. If you require higher processing power (480 MHz) and can accept less SRAM (1 MB), the STM32H743RGT6 is a better choice. For cost-sensitive designs with minimal flash requirements, the STM32H750RBT6 offers a lower-cost option but with only 128 KB flash. The STM32H753RGT6 provides a balance with 480 MHz and 2 MB flash, but with 1 MB SRAM. All alternatives are pin-compatible in LQFP64, allowing easy PCB reuse.

대체품과의 비교

파라미터 이 제품 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

주요 차별점

  • 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)

설계 노트

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.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
무연
Yes
무할로겐
Yes
분쟁 광물
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified - choose STM32H7A3RGT6Q for automotive.

데이터 검증일: 2026-08-14 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

STM32H7A3RGT6 datasheet STM32H7A3RGT6 price STM32H7A3RGT6 buy STM32H7A3RGT6 vs STM32H743RGT6 STM32H7A3RGT6 pinout STM32H7A3RGT6 LQFP64 STM32H7A3RGT6 motor control STM32H7A3RGT6 drop-in replacement STM32H7A3RGT6 equivalent STM32H7A3RGT6 in stock

관련 부품 & 용어

STMicroelectronics STM32H7A3RGT6 STM32H743RGT6 STM32H750RBT6 STM32H753RGT6 ARM Cortex-M7 MCU microcontroller LQFP64 QFP surface mount FPU TRNG RoHS Ethernet USB industrial automation motor control IoT smart home
빠른 견적 RFQ
상세 정보를 모두 입력하십시오 — 영업팀이 24시간 이내에 답변드립니다
부품 번호 제조사 패키지 QTY 목표 가격 합계
합계: $0.00 USD
✓
견적이 제출되었습니다!

24시간 이내에 이메일로 답변드리겠습니다

1
RFQ 제출됨
2
견적 접수됨
3
주문 완료
4
결제
5
배송됨
6
배송 완료
RFQ 상세 보기