STM32H730IBT6 - 550MHz Cortex-M7 MCU with 1MB Flash | STMicroelectronics
MPN: STM32H730IBT6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 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 |
STM32H730IBT6 Overview
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 STM32H730IBT6 belongs to the STM32H7 series, which is part of the broader STM32 family of 32-bit ARM Cortex-M microcontrollers. This hierarchy places it within the embedded processing domain, where it serves as the central control unit for applications ranging from industrial automation to consumer electronics.
Key features include a 550 MHz Cortex-M7 core with double-precision FPU, a Chrom-ART Accelerator for 2D graphics, and a hardware cryptographic accelerator supporting AES, DES, and HASH algorithms. The device also offers a comprehensive set of communication interfaces including Ethernet, USB OTG HS, multiple SPI, I2C, UART, and CAN FD. Its advanced timer peripherals and 16-bit ADC with oversampling enable precise motor control and high-resolution sensing.
The STM32H730IBT6 is built on a high-performance architecture with an L1 cache, a 32-bit multi-AHB bus matrix, and a power-efficient design that includes multiple low-power modes. The Chrom-ART Accelerator offloads graphics rendering from the CPU, while the cryptographic accelerator ensures secure data transfer without burdening the core. This combination of raw processing power and dedicated hardware accelerators makes it ideal for real-time control and edge computing.
Typical applications include industrial motor control, robotics, high-end audio processing, and smart home gateways. Its rich peripheral set and high-speed interfaces allow it to handle complex tasks such as real-time audio effects, predictive maintenance, and secure IoT connectivity. The device's 550 MHz clock speed ensures rapid response in time-critical control loops.
When designing with this MCU, careful attention must be paid to power supply decoupling and PCB layout to maintain signal integrity at high frequencies. The device supports a wide supply voltage range of 1.62V to 3.6V, and its multiple power domains require proper sequencing. Additionally, the extensive peripheral set demands a well-structured firmware architecture to fully utilize its capabilities.
Drop-in alternatives for STM32H730IBT6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with STM32H730IBT6 (same form factor and footprint) — differing in Flash Memory, Package, Operating Temperature, ADC, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32H750IBT6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.85 / Unit
View Datasheet →STM32H743IBT6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32H753IBT6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32H723IBT6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32H733IBT6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32H745IBT6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32H730IBT6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M7 |
| Core Clock Speed | 550 MHz |
| Flash Memory | 1 MB |
| SRAM | 564 KB |
| Package | LQFP-176 |
| Supply Voltage | 1.62 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| GPIO Pins | 140 |
| ADC | 3x 16-bit ADC with oversampling |
| DAC | 2x 12-bit DAC |
| Communication Interfaces | Ethernet, USB OTG HS, SPI, I2C, UART, CAN FD |
| Timers | Advanced-control timers, general-purpose timers, low-power timers |
| Cryptographic Acceleration | AES, DES, HASH |
| Chrom-ART Accelerator | Yes (2D graphics) |
| CoreMark Score | 3224 |
| RoHS Status | Compliant |
STM32H730IBT6 Pin Configuration
| 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 | PA4 — GPIO, SPI1_NSS |
| Pin 8 | PA5 — GPIO, SPI1_SCK |
| Pin 9 | PA6 — GPIO, SPI1_MISO |
| Pin 10 | PA7 — GPIO, SPI1_MOSI |
| Pin 11 | PA8 — GPIO, USB_OTG_FS_SOF |
| Pin 12 | PA9 — GPIO, USB_OTG_FS_VBUS |
| Pin 13 | PA10 — GPIO, USB_OTG_FS_ID |
| Pin 14 | PA11 — GPIO, USB_OTG_FS_DM |
| Pin 15 | PA12 — GPIO, USB_OTG_FS_DP |
| Pin 16 | PA13 — GPIO, SWDIO |
| Pin 17 | PA14 — GPIO, SWCLK |
| Pin 18 | PA15 — GPIO, JTDI |
| Pin 19 | VDD — Digital power supply |
| Pin 20 | VSS — Digital ground |
Typical Applications
STM32H730IBT6 is suitable for 6 applications: Industrial Motor Control, High-End Audio Processing, Robotics and Drones, Smart Home Gateway, Edge AI and Vision, Test and Measurement Equipment.
Industrial Motor Control
The STM32H730IBT6's 550 MHz Cortex-M7 core and advanced timers enable high-frequency PWM generation for precise motor control. Its 16-bit ADC with oversampling provides accurate current sensing, while the FPU accelerates complex control algorithms like FOC. The device's multiple communication interfaces (CAN FD, Ethernet) allow integration into industrial networks. With a wide supply voltage range and robust GPIOs, it can directly interface with gate drivers and encoders. The Chrom-ART Accelerator can offload HMI graphics, making it ideal for industrial drives and robotics.
Recommended
High-End Audio Processing
The STM32H730IBT6's 550 MHz core with FPU can handle real-time audio effects, multi-channel processing, and high-resolution audio codecs. Its I2S interfaces support up to 32-bit audio data, and the high-speed ADC/DAC enable direct audio capture and playback. The Chrom-ART Accelerator can render audio visualizations without CPU load. With 564 KB SRAM, it can buffer large audio streams. The device's low-latency interrupt handling ensures glitch-free audio output, making it suitable for professional audio equipment and smart speakers.
Recommended
Robotics and Drones
The STM32H730IBT6 provides the processing power needed for complex robotics algorithms, including kinematics, path planning, and sensor fusion. Its 550 MHz core can run real-time operating systems (RTOS) with multiple tasks, while the hardware cryptographic accelerator ensures secure communication. The device's multiple UARTs, SPI, and I2C interfaces connect to sensors, motors, and wireless modules. The high-speed ADC enables precise position and current sensing. With a wide operating temperature range, it is suitable for outdoor drones and industrial robots.
Recommended
Smart Home Gateway
The STM32H730IBT6's Ethernet and USB OTG HS interfaces make it an ideal hub for smart home devices. Its 550 MHz core can handle protocol stacks (e.g., Zigbee, Z-Wave, MQTT) and local processing for automation rules. The cryptographic accelerator secures data transmission, and the Chrom-ART Accelerator can drive a GUI for user interaction. With multiple UARTs and SPI, it can connect to various wireless modules (Wi-Fi, BLE, Thread). The device's low-power modes enable energy-efficient operation, making it suitable for always-on gateways.
Recommended
Edge AI and Vision
The STM32H730IBT6's 550 MHz Cortex-M7 core can run lightweight neural networks for edge AI applications, such as object detection and anomaly detection. Its FPU accelerates matrix operations, and the Chrom-ART Accelerator can handle image preprocessing. The device's camera interface (DCMI) connects to image sensors, and its high-speed ADC can sample analog sensors. With 564 KB SRAM, it can store model weights and intermediate data. The cryptographic accelerator ensures secure model updates, making it suitable for smart cameras and predictive maintenance.
Recommended
Test and Measurement Equipment
The STM32H730IBT6's high-speed ADC and DAC, along with its 550 MHz core, enable precise signal generation and analysis. Its multiple timers can generate synchronized triggers, and the USB OTG HS interface allows high-speed data transfer to a PC. The device's Ethernet interface supports remote control and data logging. With a wide operating temperature range and robust design, it is suitable for oscilloscopes, data loggers, and spectrum analyzers. The Chrom-ART Accelerator can render waveforms on a display without CPU load.
Recommended
Recommended Products Summary
Engineering reference data for STM32H730IBT6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32H750IBT6 | STM32H743IBT6 | STM32H753IBT6 |
|---|---|---|---|---|
| Package | LQFP-176 | LQFP-176 | LQFP-176 | LQFP-176 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core Clock Speed | 550 MHz | 480 MHz | 480 MHz | 480 MHz |
| Flash Memory | 1 MB | 2 MB | 2 MB | 2 MB |
| SRAM | 564 KB | 512 KB | 512 KB | 512 KB |
| Chrom-ART Accelerator | Yes | No | No | No |
| Cryptographic Acceleration | Yes | No | No | Yes |
| Price (1pc) | $12.50 | $11.80 | $13.20 | $14.10 |
Key Differentiators
- 550 MHz core clock speed (vs STM32H750IBT6)
- Chrom-ART Accelerator (vs STM32H750IBT6)
- Cryptographic acceleration (vs STM32H743IBT6)
Design Notes
The STM32H730IBT6 requires a stable power supply with proper decoupling. Use a 100nF capacitor on each VDD pin and a 4.7uF bulk capacitor on the main supply. The device supports 1.62V to 3.6V, but for 550 MHz operation, ensure the supply is at least 3.3V. Consider using a low-dropout regulator (LDO) for clean power to the analog peripherals.
For high-speed operation at 550 MHz, maintain controlled impedance for critical traces like Ethernet and USB. Use a 4-layer PCB with a solid ground plane. Place the crystal oscillator close to the MCU and keep traces short. Decouple the VDDA pin with a 1uF capacitor and a ferrite bead to isolate analog noise.
Ensure proper boot configuration by setting the BOOT0 pin correctly. The STM32H730IBT6 has multiple power domains; follow the recommended power-up sequence to avoid latch-up. Do not exceed the absolute maximum ratings on any pin. When using the cryptographic accelerator, ensure the key is stored securely in the OTP area.
Compliance Information
RoHS and REACH compliant per STMicroelectronics. Not AEC-Q100 qualified; for automotive, consider STM32H7A3 series.