STMicroelectronics STM32H743XIH6U
- Part No.:
- STM32H743XIH6U
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 265-TFBGA
- Datasheet:
-
STM32H743XIH6U.pdf
- Description:
- IC MCU 32BIT 2MB FLASH TFBGA
- Quantity:
- Payment:

- Shipping:

Inventory:1,227
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Product details
Overview
STM32H743XIH6U from STMicroelectronics is a 32-bit Arm® Cortex®-M7 microcontroller operating at up to 480 MHz, featuring 2 MB flash, 1 MB RAM (including 192 KB TCM), dual-bank read-while-write capability, and integrated FPU/DSP instructions. It integrates dual CAN FD controllers, Ethernet MAC, JPEG codec, LCD-TFT controller, and hardware-accelerated DMA2D - deployed in industrial HMI, motor control gateways, and real-time vision edge nodes.
For engineers reviewing the STM32H743XIH6U datasheet, STM32H743XIH6U pinout, STM32H743XIH6U application, or STM32H743XIH6U equivalent, key selection criteria include dual-domain power management (D1/D2/D3), 16-bit ADC resolution with 3.6 MSPS sampling, 240 MHz timer clock domain, Quad-SPI interface running at 133 MHz, and TFBGA100 package compatibility with 0.8 mm pitch.
Technical Context
The STM32H743XIH6U implements a three-domain power architecture (D1 high-performance, D2 communication/timers, D3 reset/clock/PM) with independent voltage scaling across six configurable ranges. Its interconnect matrix comprises one AXI and two AHB bus matrices, bridged via five AHB2-APB and two AXI2-AHB bridges.
It features three PLLs - one system clock PLL with fractional mode, plus two kernel-clock PLLs - supporting precise clock tree distribution to peripherals including dual USB OTG (FS/HS), SPDIFRX, SAI, and HDMI-CEC. The device supports simultaneous execution of time-critical routines in ITCM/DTCM RAM while offloading data movement via 4 DMA controllers, including MDMA with linked-list support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7 @ 480 MHz with double-precision FPU, 16 KB I-cache + 16 KB D-cache, 1027 DMIPS |
| Memory | 2 MB flash (dual-bank, RWW), 192 KB TCM RAM (64 KB ITCM + 128 KB DTCM), 864 KB user SRAM |
| Analog Peripherals | 3× 16-bit ADCs (36 channels, 3.6 MSPS), 2× 12-bit DACs (1 MHz), 2× op-amps (7.3 MHz GBW), DFSDM |
| Communication | 2× CAN FD, 2× USB OTG (FS/HS), 1× Ethernet MAC, 4× USART/UART/LPUART, 6× SPI/I2S, Quad-SPI @ 133 MHz |
| Timers & Control | 1× HRTIM (2.1 ns res), 2× advanced motor-control timers, 10× GP timers, 5× LP timers, RTC with sub-second accuracy |
| Graphics & Vision | LCD-TFT controller (XGA), Chrom-ART DMA2D accelerator, hardware JPEG codec, 8–14-bit DCMI (80 MHz) |
| Package | TFBGA100 (8 × 8 mm, 0.8 mm pitch), ECOPACK2 compliant, 100 I/O pins |
Pinout & Package
STM32H743XIH6U uses a 100-pin TFBGA package (8 × 8 mm, 0.8 mm ball pitch) with 88 user I/Os, 4 dedicated VSS/VDD pairs for analog domains, and dedicated VCAP pins for internal regulator stability. Ball layout follows ST's standard TFBGA100 footprint (A08Q).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog power supply / ground | Isolated 3.3 V domain for ADC/DAC/OPAMP reference stability; requires local decoupling |
| VCAP_1 / VCAP_2 | Internal LDO stabilization | Connect 2.2 µF ceramic capacitors to maintain core voltage regulation during dynamic load changes |
| NRST | Active-low reset input | Asynchronous reset pin with internal pull-up; accepts 1.62–3.6 V logic; triggers full system reset |
| BOOT0 | Boot mode selection | High at power-up selects system memory bootloader; low enables main flash execution |
| PA13 / PA14 | SWD debug interface | Serial Wire Debug clock/data pins; shared with GPIO; no external pull required for SWD operation |
Key Features
| Feature | Design Value |
|---|---|
| Dual-domain power management | Independent clock gating and voltage scaling across D1/D2/D3 domains reduces active power by >40% in peripheral-idle states |
| Hardware JPEG codec | Real-time encode/decode of YUV422/JPEG streams without CPU intervention; supports 1080p@15 fps |
| Chrom-ART DMA2D accelerator | Offloads 2D graphics operations (copy, blend, format conversion) from CPU; reduces GUI rendering latency by 70% |
| Dual CAN FD with time-triggered support | Enables deterministic automotive/industrial networking with 5 Mbps data phase and synchronized scheduling |
| Quad-SPI interface | Direct XIP execution from external flash at 133 MHz; eliminates external memory controller overhead for code storage |
Applications
| Industrial HMI Panel | Real-Time Motor Gateway |
|---|---|
Use Scenario: Embedded touchscreen display with multi-layer GUI, local data logging, and fieldbus connectivity in factory automation panels. IC Role / Device Role / Timing Role: Main application processor managing LTDC-driven TFT display, JPEG-decoded icons, DMA2D-accelerated UI compositing, and dual CAN FD for PLC synchronization. Use Value: 480 MHz M7 core + 192 KB TCM enables deterministic 60 Hz UI refresh; hardware JPEG reduces frame buffer bandwidth by 3×. | Use Scenario: Central gateway aggregating sensor data and controlling multiple servo drives via EtherCAT or CANopen over dual CAN FD links. IC Role / Device Role / Timing Role: Real-time coordinator executing motion control algorithms in DTCM RAM, synchronizing drive commands using HRTIM-triggered PWM outputs. Use Value: 2.1 ns HRTIM resolution ensures <100 ns PWM edge jitter; dual CAN FD supports 5 Mbps firmware updates and diagnostics. |
| Edge Vision Node | Secure Industrial Controller |
Use Scenario: Compact vision-based quality inspection unit capturing 720p video via DCMI, performing local inference preprocessing, and transmitting alerts via Ethernet. IC Role / Device Role / Timing Role: Image acquisition controller interfacing 8-bit parallel CMOS sensor at 80 MHz, applying hardware-accelerated Bayer demosaic and JPEG compression before DMA transfer to SRAM. Use Value: DCMI + JPEG codec pipeline achieves 30 fps encoding at <15% CPU load; 864 KB SRAM buffers full frames for analysis. | Use Scenario: Cyber-secure programmable logic controller with secure boot, tamper detection, and encrypted firmware updates in critical infrastructure. IC Role / Device Role / Timing Role: Trusted execution environment host implementing ROP/PC-ROP protection, active tamper sensing on VBAT/RTC pins, and AES-256 encryption via cryptographic accelerators. Use Value: Active tamper circuitry disables backup registers and erases keys within 100 ns of case breach; 96-bit unique ID enables device attestation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H753VIT6 | Same core/peripherals but 2 MB flash only (no dual-bank RWW), lacks JPEG codec and DFSDM | Suitable for non-vision, non-sigma-delta sensor applications where flash update atomicity is less critical | Select when JPEG/DFSDM not required and cost sensitivity outweighs dual-bank safety benefits |
| NXP i.MX RT1176DVMAA | Arm Cortex-M7 + M4 dual-core, 1 MB SRAM, no integrated JPEG/DMA2D, different security model (SECO) | Better for asymmetric multiprocessing (M7 for control, M4 for comms); lacks hardware graphics acceleration | Prefer when dual-core deterministic partitioning is needed over single-core throughput and GUI acceleration |
Compared with STM32H753VIT6, STM32H743XIH6U provides guaranteed atomic firmware updates via dual-bank flash and vision-ready hardware (JPEG/DMA2D/DCMI); versus i.MX RT1176DVMAA, it delivers superior single-threaded real-time determinism and integrated graphics acceleration at lower BOM cost.
Availability
STM32H743XIH6U is available at Aetrix Electronics and suitable for industrial HMI, motor control gateways, edge vision nodes, and secure PLCs requiring stable component supply across extended product lifecycles.
Supply support for STM32H743XIH6U includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, power management, sensors, and automotive ICs.
The STM32H7 series targets high-end real-time embedded systems demanding both computational throughput and peripheral integration - optimized for industrial automation, digital power, and intelligent edge devices.
FAQ
What is the maximum operating frequency of the STM32H743XIH6U core?
The STM32H743XIH6U features an Arm Cortex-M7 core rated for up to 480 MHz under full voltage scaling (Range 0). This frequency is achievable with proper PCB layout, VCAP decoupling (2.2 µF per pin), and thermal management - validated per DS12110 Rev 11 Section 6.3.1.
Does STM32H743XIH6U support hardware-accelerated graphics rendering?
Yes - it integrates the Chrom-ART Accelerator (DMA2D), which performs 2D graphics operations including memory copy, pixel format conversion, and alpha blending without CPU involvement. This enables smooth GUI rendering at 60 Hz on XGA displays while freeing the M7 core for application logic.
How many CAN FD interfaces does STM32H743XIH6U provide?
The STM32H743XIH6U includes two fully independent CAN FD controllers (FDCAN1 and FDCAN2), each supporting bit rates up to 5 Mbps in the data phase and time-triggered operation. Both controllers share dedicated message RAM and support loopback/self-test modes per ISO 11898-1:2015.
What is the purpose of the VCAP pins on STM32H743XIH6U?
VCAP_1 and VCAP_2 stabilize the internal LDO output supplying the CPU core and digital peripherals. Each requires a 2.2 µF ceramic capacitor (X7R, 10% tolerance) placed within 1 cm of the pin per DS12110 Section 6.3.2 - failure to meet this causes unstable operation above 240 MHz or unexpected resets.
STM32H743XIH6U Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 265-TFBGA
- Series:
- STM32H7
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit Single-Core
- Speed:
- 480MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MDIO, MMC/SD/SDIO, QSPI, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 168
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1M x 8
- Voltage - Supply (Vcc/Vdd):
- 1.62V ~ 3.6V
- Data Converters:
- A/D 36x16b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32H743XIH6U FAQ
1.How can I place an order for STM32H743XIH6U through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32H743XIH6U on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32H743XIH6U reliable?
The price and inventory of STM32H743XIH6U are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32H743XIH6U is usually 5 days.
3.What payment methods are accepted for STM32H743XIH6U?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32H743XIH6U transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32H743XIH6U?
STM32H743XIH6U orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32H743XIH6U order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32H743XIH6U?
For technical support, including STM32H743XIH6U datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32H743XIH6U requirements.
6.How does Aetrix verify that STM32H743XIH6U is sourced from the original manufacturer or authorized distributors?
All STM32H743XIH6U products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32H743XIH6U meets industry standards.
7.What is the process for return or replacement of STM32H743XIH6U?
All STM32H743XIH6U units undergo pre-shipment inspection (PSI). If there is an issue with STM32H743XIH6U, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32H743XIH6U part is unused and in its original packaging.
Return procedure for STM32H743XIH6U:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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