STMicroelectronics

STM32H735RGV6 - 550MHz Cortex-M7 MCU with 1MB Flash | STMicroelectronics

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1.62V to 3.6V Vdss 68-VFQFPN (8x8) Package 550 MHz Speed 1 MB (1M x 8) Memory
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Preis aktualisiert: 2026-08-18
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STM32H735RGV6 Übersicht

The STMicroelectronics STM32H735RGV6 is a high-performance 32-bit microcontroller based on the Arm Cortex-M7 core, operating at up to 550 MHz. It integrates 1 MB of flash memory and 564 KB of SRAM, making it suitable for demanding applications such as industrial control, motor control, and advanced human-machine interfaces. The device is housed in a 68-pin VFQFPN package (8x8 mm) with an exposed pad, offering a compact footprint for space-constrained designs.

What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the backbone of embedded systems, ranging from simple 8-bit devices for basic control to high-performance 32-bit cores like the Cortex-M7 for real-time signal processing and complex control algorithms. The STM32H7 series sits at the top of the STM32 portfolio, providing the highest performance for applications that require intensive computation and rich connectivity.

Key features of the STM32H735RGV6 include a 550 MHz Cortex-M7 core with double-precision FPU, a Chrom-ART Accelerator for 2D graphics, and a comprehensive set of peripherals: multiple 16-bit and 32-bit timers, 12-bit ADCs with up to 5 MSPS, a true random number generator, and cryptographic acceleration (AES, DES, 3DES, and hash). 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. It also features a rich set of communication interfaces including Ethernet, USB OTG HS, FDCAN, SPI, I2C, UART, and SAI.

The STM32H735RGV6 is built on ST's advanced 40nm process technology, enabling high clock speeds with low power consumption. The core is based on the Armv7E-M architecture with a 6-stage pipeline and includes a single-precision and double-precision FPU, DSP instructions, and a memory protection unit (MPU). The device also includes a flexible memory controller (FMC) for external SDRAM, SRAM, and NOR/NAND flash, and a camera interface for image capture.

Typical applications include industrial automation (PLC, robotics), motor control (field-oriented control of BLDC motors), medical devices (patient monitors, infusion pumps), and high-end consumer electronics (smart speakers, home automation hubs). The high clock speed and rich peripherals make it ideal for real-time control and signal processing tasks.

When designing with this device, ensure adequate decoupling on all power pins and a clean ground plane. The VFQFPN68 package requires careful thermal management; the thermal resistance (theta_JA) is approximately 45°C/W, so consider a heatsink or airflow for high-power applications. Also, use the internal LDO or external SMPS to generate the core voltage (1.2V) for optimal power efficiency.

Drop-in-Alternativen für STM32H735RGV6 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.

Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:

STM32H750VBT6

STMicroelectronics
Arm Cortex-M7 with double-precision FPU · 480 MHz · 128 KB · 1 MB (256 KB DTCM + 256 KB AXI SRAM + 64 KB ITCM + 4 KB backup SRAM) · 1.62 V to 3.6 V · -40 C to +85 C (grade 6) · LQFP-100 (14x14 mm, 0.5 mm pitch)

✓ Auf Lager

$5.25 / Stück

Datenblatt ansehen →

STM32H735IGK6

Different package (UFBGA176 vs VFQFPN68), more I/O pins, same core and memory

📋 Referenzalternative (nicht im Katalog)

STM32H735RGV6T6

Different package (LQFP64 vs VFQFPN68), same die and memory

📋 Referenzalternative (nicht im Katalog)

STM32H743RGV6

Different package, 2MB flash, 1MB RAM, additional peripherals

📋 Referenzalternative (nicht im Katalog)

GD32H757VMT6

Cross-brand, different package, similar Cortex-M7 performance

📋 Referenzalternative (nicht im Katalog)

STM32H735RGV6 Grenzwerte & elektrische Eigenschaften

Core Processor ARM Cortex-M7
Core Architecture ARM
Core Size 32-Bit
Speed 550 MHz
Program Memory Size 1 MB (1M x 8)
Program Memory Type FLASH
RAM Size 564 KB
Gehäuse / Bauform 68-VFQFPN (8x8)
Montageart Surface Mount
Betriebstemperatur -40°C to +85°C
Supply Voltage Range 1.62V to 3.6V
Data Converters 12-bit ADC up to 5 MSPS
Connectivity Ethernet, USB OTG HS, FDCAN, SPI, I2C, UART, SAI
RoHS-Status Compliant

STM32H735RGV6 Pin-Konfiguration

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Pin 1 VDD — Digital power supply
Pin 2 VSS — Digital ground
Pin 3 PA0 — GPIO / ADC input
Pin 4 PA1 — GPIO / ADC input
Pin 5 PA2 — GPIO / USART2_TX
Pin 6 PA3 — GPIO / USART2_RX
Pin 7 VSSA — Analog ground
Pin 8 VDDA — Analog power supply
Pin 9 PA4 — GPIO / DAC_OUT1
Pin 10 PA5 — GPIO / DAC_OUT2
Pin 11 PA6 — GPIO / SPI1_MISO
Pin 12 PA7 — GPIO / SPI1_MOSI
Pin 13 PB0 — GPIO / TIM3_CH3
Pin 14 PB1 — GPIO / TIM3_CH4
Pin 15 PB2 — GPIO / BOOT1
Pin 16 PB10 — GPIO / I2C2_SCL
Pin 17 PB11 — GPIO / I2C2_SDA
Pin 18 VDD — Digital power supply
Pin 19 VSS — Digital ground
Pin 20 PB12 — GPIO / SPI2_NSS
Pin 21 PB13 — GPIO / SPI2_SCK
Pin 22 PB14 — GPIO / SPI2_MISO
Pin 23 PB15 — GPIO / SPI2_MOSI
Pin 24 PC13 — GPIO / RTC_AF1
Pin 25 PC14 — GPIO / OSC32_IN
Pin 26 PC15 — GPIO / OSC32_OUT
Pin 27 PH0 — OSC_IN
Pin 28 PH1 — OSC_OUT
Pin 29 NRST — Reset
Pin 30 VDD — Digital power supply
Pin 31 VSS — Digital ground
Pin 32 PC0 — GPIO / ADC input
Pin 33 PC1 — GPIO / ADC input
Pin 34 PC2 — GPIO / ADC input
Pin 35 PC3 — GPIO / ADC input
Pin 36 VREF+ — ADC reference voltage
Pin 37 VDDA — Analog power supply
Pin 38 VSSA — Analog ground
Pin 39 PC4 — GPIO / I2S1_MCK
Pin 40 PC5 — GPIO / I2S1_SCK
Pin 41 PB3 — GPIO / SPI1_SCK
Pin 42 PB4 — GPIO / SPI1_NSS
Pin 43 PB5 — GPIO / I2C1_SMBA
Pin 44 PB6 — GPIO / I2C1_SCL
Pin 45 PB7 — GPIO / I2C1_SDA
Pin 46 BOOT0 — Boot mode selection
Pin 47 PB8 — GPIO / FDCAN1_RX
Pin 48 PB9 — GPIO / FDCAN1_TX
Pin 49 VDD — Digital power supply
Pin 50 VSS — Digital ground
Pin 51 PE0 — GPIO / TIM4_CH1
Pin 52 PE1 — GPIO / TIM4_CH2
Pin 53 PE2 — GPIO / SAI1_SD_A
Pin 54 PE3 — GPIO / SAI1_SD_B
Pin 55 PE4 — GPIO / SAI1_FS_A
Pin 56 PE5 — GPIO / SAI1_SCK_A
Pin 57 PE6 — GPIO / SAI1_MCLK_A
Pin 58 PE7 — GPIO / TIM1_CH1
Pin 59 PE8 — GPIO / TIM1_CH2
Pin 60 PE9 — GPIO / TIM1_CH3
Pin 61 PE10 — GPIO / TIM1_CH4
Pin 62 PE11 — GPIO / TIM1_CH1N
Pin 63 PE12 — GPIO / TIM1_CH2N
Pin 64 PE13 — GPIO / TIM1_CH3N
Pin 65 PE14 — GPIO / TIM1_CH4N
Pin 66 PE15 — GPIO / TIM1_BKIN
Pin 67 VDD — Digital power supply
Pin 68 VSS — Digital ground

Typische Anwendungen

STM32H735RGV6 ist geeignet für 6 Anwendungs: Industrial Automation, Motor Control, Medical Devices, Smart Home Hub, Audio Processing, Human-Machine Interface (HMI).

🏭

Industrial Automation

The STM32H735RGV6 is ideal for industrial automation due to its high-speed Cortex-M7 core, rich connectivity (Ethernet, FDCAN), and advanced timers. It can handle PLC logic, robotics control, and real-time monitoring. The 550 MHz clock enables fast response times, while the 1 MB flash and 564 KB SRAM support complex control algorithms. The wide temperature range (-40°C to +85°C) ensures reliability in harsh factory environments. Its cryptographic accelerator enhances secure communication protocols like OPC UA.

⚡

Motor Control

The STM32H735RGV6 excels in motor control applications, particularly field-oriented control (FOC) of BLDC and PMSM motors. Its 550 MHz core and 12-bit ADCs with up to 5 MSPS enable high-bandwidth current sensing and precise PWM generation. The advanced timers provide complementary outputs with dead-time insertion, essential for inverter stages. The device's DSP instructions and FPU accelerate complex control algorithms like sensorless observers. With a wide supply voltage range, it can interface directly with motor driver ICs.

💊

Medical Devices

The STM32H735RGV6 is suitable for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high performance enables real-time signal processing for ECG, SpO2, and other biosignals. The cryptographic accelerator ensures secure data transmission, complying with healthcare regulations. The device's low power consumption and wide temperature range make it reliable for continuous operation. The rich peripheral set includes ADCs for sensor interfacing and communication interfaces for connectivity.

🧩

Smart Home Hub

The STM32H735RGV6 can serve as the central processor in smart home hubs, managing multiple protocols like Zigbee, Z-Wave, and Wi-Fi. Its high clock speed and ample memory support complex home automation logic and voice recognition. The device's connectivity options (Ethernet, USB, UART) allow seamless integration with various smart devices. The Chrom-ART Accelerator enhances graphical user interfaces on connected displays. Its security features protect user data and device integrity.

🎧

Audio Processing

The STM32H735RGV6 is well-suited for audio processing applications such as smart speakers, audio interfaces, and soundbars. Its 550 MHz Cortex-M7 core with FPU can handle audio codecs, DSP effects, and voice recognition. The SAI interface supports multiple audio protocols like I2S and TDM, enabling connection to high-quality DACs and ADCs. The device's large memory allows buffering of audio streams. The cryptographic accelerator can secure audio content for DRM.

📺

Human-Machine Interface (HMI)

The STM32H735RGV6 is ideal for advanced HMIs in industrial and consumer products. Its Chrom-ART Accelerator offloads 2D graphics rendering from the CPU, enabling smooth animations on TFT displays. The device supports external memory via FMC for framebuffers. With multiple communication interfaces, it can connect to touch controllers, encoders, and other input devices. The high clock speed ensures responsive user interfaces.

Zusammenfassung der empfohlenen Produkte

STM32H735RGV6 STMicroelectronics Verwendet in: Industrial Automation TJA1042 NXP Semiconductors Verwendet in: Industrial Automation LAN8742A Ethernet PHY for industrial networking Verwendet in: Industrial Automation STGIPN3H60 IPM for motor driving Verwendet in: Motor Control ACS712 Allegro MicroSystems Verwendet in: Motor Control IR2104 Gate driver for MOSFETs Verwendet in: Motor Control ADS1298 ECG front-end Verwendet in: Medical Devices MAX30102 Pulse oximeter sensor Verwendet in: Medical Devices ESP32 Wi-Fi module for data transmission Verwendet in: Medical Devices, Smart Home Hub CC2530 Zigbee radio Verwendet in: Smart Home Hub SSD1306 OLED display for UI Verwendet in: Smart Home Hub PCM5102A I2S DAC for audio output Verwendet in: Audio Processing CS5343 ADC for audio input Verwendet in: Audio Processing TAS5760M Class-D amplifier Verwendet in: Audio Processing FT5x06 Capacitive touch controller Verwendet in: Human-Machine Interface (HMI) SSD1963 Solomon Systech Verwendet in: Human-Machine Interface (HMI) W25Q128 External flash for graphics assets Verwendet in: Human-Machine Interface (HMI)
What is the maximum clock speed of STM32H735RGV6?
The STM32H735RGV6 operates at up to 550 MHz. According to STMicroelectronics, this is based on the high-performance Arm Cortex-M7 core with double-precision FPU, enabling intensive real-time processing.
How much flash memory does STM32H735RGV6 have?
The STM32H735RGV6 has 1 MB of flash memory. This is organized as 1M x 8 bits and is sufficient for complex firmware and application code in industrial and consumer applications.
What is the package type of STM32H735RGV6?
The STM32H735RGV6 is housed in a 68-pin VFQFPN package with dimensions 8x8 mm and an exposed pad. This compact package is suitable for space-constrained PCB designs.
What is the operating temperature range of STM32H735RGV6?
The STM32H735RGV6 operates over a temperature range of -40°C to +85°C. This makes it suitable for industrial environments where temperature extremes are common.
What is the supply voltage range for STM32H735RGV6?
The STM32H735RGV6 supports a supply voltage range of 1.62V to 3.6V. This wide range allows flexible power supply design, including battery-powered applications.
Does STM32H735RGV6 have a cryptographic accelerator?
Yes, the STM32H735RGV6 includes a cryptographic accelerator supporting AES, DES, 3DES, and hash algorithms. This hardware acceleration enhances security for applications like secure boot and encrypted communication.
What communication interfaces are available on STM32H735RGV6?
The STM32H735RGV6 features Ethernet, USB OTG HS, FDCAN, SPI, I2C, UART, and SAI interfaces. This rich set of connectivity options makes it versatile for IoT, industrial, and audio applications.
Can STM32H735RGV6 be used for motor control?
Yes, the STM32H735RGV6 is well-suited for motor control, particularly field-oriented control (FOC) of BLDC motors. Its high clock speed, advanced timers, and fast ADCs enable precise real-time control loops.
What is the difference between STM32H735RGV6 and STM32H743RGV6?
The STM32H735RGV6 and STM32H743RGV6 are both high-performance Cortex-M7 MCUs, but the STM32H743 has 2 MB of flash and 1 MB of RAM, while the STM32H735 has 1 MB flash and 564 KB RAM. The H743 also includes additional peripherals like a TFT-LCD controller. They are not pin-compatible due to different package options.
Is STM32H735RGV6 suitable for audio applications?
Yes, the STM32H735RGV6 is suitable for audio applications due to its high-speed processing and SAI (Serial Audio Interface) support. It can handle audio processing algorithms and interface with audio codecs efficiently.
Where can I buy STM32H735RGV6?
STM32H735RGV6 is available from authorized distributors such as DigiKey, Mouser, and LCSC, as well as directly from STMicroelectronics eStore. As of 2026-08-18, pricing starts at $10.58 for single units.
What is the lead time for STM32H735RGV6?
The lead time for STM32H735RGV6 is approximately 15 weeks, as reported by Onzuu. This can vary depending on distributor stock and order quantity.
What is the best drop-in replacement for STM32H735RGV6?
The best drop-in replacement for STM32H735RGV6 is the STM32H735RGV6T6, which is the same die in a different package variant (LQFP64). For a pin-compatible alternative in the same VFQFPN68 package, consider the STM32H735IGK6, but verify pinout before use.
Can STM32H735RGV6 be replaced by a GigaDevice GD32H7 series MCU?
GigaDevice GD32H7 series MCUs are not pin-compatible with STM32H735RGV6 and require firmware porting. They are functional alternatives but not drop-in replacements. Verify all peripherals and memory mapping before considering a swap.
Where can I download the STM32H735RGV6 datasheet PDF?
The STM32H735RGV6 datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32h735rg.pdf. It contains full specifications, pinout, and application notes.
What are the key specifications of STM32H735RGV6 that engineers should know?
The STM32H735RGV6 features a 550 MHz Arm Cortex-M7 core, 1 MB flash, 564 KB SRAM, 12-bit ADC up to 5 MSPS, cryptographic acceleration, and a wide range of connectivity including Ethernet and USB OTG HS. It operates from 1.62V to 3.6V and is available in a 68-pin VFQFPN package.
Is STM32H735RGV6 the same as STM32H735RGV6T6?
No, they are not the same. The STM32H735RGV6 is in a VFQFPN68 package, while the STM32H735RGV6T6 is in an LQFP64 package. They share the same core and memory but have different pinouts and package dimensions.
What is the best NXP equivalent for STM32H735RGV6?
The NXP i.MX RT1052 is a functional equivalent with a Cortex-M7 core at 600 MHz, but it is not pin-compatible and requires a PCB redesign. For a drop-in replacement, stick with STM32H7 family variants.
Does STM32H735RGV6 support external memory?
Yes, the STM32H735RGV6 includes a flexible memory controller (FMC) that supports external SDRAM, SRAM, and NOR/NAND flash. This allows expanding memory beyond the internal 1 MB flash and 564 KB SRAM.

Technische Referenzdaten für STM32H735RGV6 – Vergleich, Designhinweise und Compliance-Informationen.

Auswahlhilfe

Choose the STM32H735RGV6 when you need a high-performance Cortex-M7 MCU with 1 MB flash and 564 KB SRAM in a compact VFQFPN68 package. It is ideal for applications requiring intensive computation, rich connectivity, and security features. If you need more I/O pins, consider the STM32H735IGK6 (UFBGA176) but note the package change. For applications requiring more memory, the STM32H743RGV6 offers 2 MB flash and 1 MB SRAM but at a lower clock speed. If cost is a priority and you can manage with less flash, the STM32H750VBT6 is a cheaper alternative. For cross-brand options, the GD32H757VMT6 offers similar performance but requires firmware porting and may have different peripheral behavior. Always verify pin compatibility and software compatibility before making a substitution.

Vergleich mit Alternativen

Parameter Dieses Produkt STM32H735IGK6 STM32H735RGV6T6 STM32H743RGV6 STM32H750VBT6 GD32H757VMT6
Package 68-VFQFPN (8x8) UFBGA176 LQFP64 LQFP64 LQFP100 LQFP100
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics GigaDevice
Core Speed 550 MHz 550 MHz 550 MHz 480 MHz 480 MHz 550 MHz
Flash Memory 1 MB 1 MB 1 MB 2 MB 128 KB 2 MB
SRAM 564 KB 564 KB 564 KB 1 MB 1 MB 1 MB
Cryptographic Acceleration Yes (AES, DES, 3DES, Hash) Yes Yes Yes Yes Yes
Ethernet Yes Yes Yes Yes Yes Yes
Operating Temperature -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C

Wichtigste Unterscheidungsmerkmale

  • Higher clock speed than STM32H743 (vs. STM32H743RGV6)
  • More flash memory than STM32H750 (vs. STM32H750VBT6)
  • Same performance as GD32H757 with ST ecosystem (vs. GD32H757VMT6)

Designhinweise

The STM32H735RGV6 requires a clean power supply. Use a 100nF decoupling capacitor on each VDD pin and a 4.7uF bulk capacitor on the main supply. For the analog supply (VDDA), use a ferrite bead and a 1uF capacitor to filter noise. The core voltage (1.2V) can be generated internally via the LDO or externally via SMPS for better efficiency. Ensure the VCAP pin is connected to a 2.2uF capacitor as specified in the datasheet.

The VFQFPN68 package has a thermal resistance (theta_JA) of approximately 45°C/W. At 550 MHz with all peripherals active, power dissipation can reach 500mW, resulting in a temperature rise of 22.5°C above ambient. For high-power applications, ensure adequate airflow or a heatsink. The exposed pad should be soldered to a large copper area on the PCB to improve heat dissipation.

For the VFQFPN68 package, use a 0.5mm pitch land pattern. Ensure the exposed pad is connected to ground with multiple vias for thermal and electrical performance. Keep high-speed signals (Ethernet, USB) impedance-controlled and routed with proper ground planes. Place the crystal oscillator close to the OSC_IN/OSC_OUT pins with load capacitors as specified.

Compliance-Informationen

RoHS
Compliant
REACH
Compliant
AEC-Q100
Bleifrei
Halogenfrei
Konfliktmineralien
Compliant

RoHS compliant per STMicroelectronics. Not AEC-Q100 qualified; for automotive, consider STM32H7A3 series.

Daten verifiziert am: 2026-08-18 – Daten geprüft und kuratiert vom Bauteil-Engineering-Team von XAIPART

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Verwandte Bauteile & Begriffe

STMicroelectronics STM32H735RGV6 STM32H735IGK6 STM32H735RGV6T6 STM32H743RGV6 STM32H750VBT6 GD32H757VMT6 Arm Cortex-M7 microcontroller MCU embedded system FPU DSP Chrom-ART Accelerator FMC Ethernet USB OTG HS FDCAN SPI I2C UART SAI AES DES 3DES hash VFQFPN68 QFN surface mount RoHS REACH industrial automation motor control medical devices smart home audio processing HMI
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