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STMicroelectronics STM32H7S3L8H6H
- Part No.:
- STM32H7S3L8H6H
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 225-TFBGA
- Datasheet:
-
STM32H7S3L8H6H.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 225TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,030
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Product details
Overview
STM32H7S3L8H6H from STMicroelectronics is an Arm® Cortex®-M7 32-bit microcontroller operating at up to 600 MHz, featuring 64 KB flash, 620 KB SRAM (548 KB with ECC), dual FD-CAN interfaces, Ethernet MAC, and hardware-accelerated graphics (NeoChrom GPU2D + Chrom-ART DMA2D). It targets high-performance embedded applications requiring real-time control, secure firmware updates, and rich human-machine interface rendering - such as industrial HMIs and edge AI gateways.
For engineers reviewing the STM32H7S3L8H6H datasheet, STM32H7S3L8H6H pinout, STM32H7S3L8H6H application, or STM32H7S3L8H6H equivalent, key selection criteria include its dual FD-CAN support for automotive diagnostics, on-the-fly external memory encryption (MCE), PSA Level 2/SESIP Level 3 security certification status, and 2×12-bit ADCs with 5 MSPS sampling rate in 12-bit mode.
Technical Context
The STM32H7S3L8H6H integrates a dual-core-capable Cortex-M7 CPU with 32+32 KB L1 instruction/data cache, enabling zero-wait-state execution from flash or external memory. Its memory subsystem includes 64 KB user flash, 620 KB SRAM (split into TCM, AXI, and backup regions), and flexible external memory controllers supporting SDRAM, NOR/NAND, and octo-SPI HyperRAM™ at up to 200 MHz.
Security is implemented via embedded root secure services (RSS), secure firmware installation/update (SFI/SFU), hardware unique key (HUK), two DPA-resistant AES coprocessors, and public key accelerator (PKA) with ECC verification. Graphics acceleration combines NeoChrom GPU2D (rotation/scaling), Chrom-ART DMA2D (2D composition), and Chrom-GRC (GFXMMU) for 20% resource optimization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7 @ up to 600 MHz with DP-FPU, MPU, and 32+32 KB L1 cache for deterministic real-time execution |
| Flash / RAM | 64 KB user flash; 620 KB total SRAM (64+64 KB TCM, 384 KB AXI, 4 KB backup) - supports ECC activation on 548 KB |
| Analog | 2×12-bit ADCs, up to 5 MSPS in 12-bit mode, 17-channel multiplexing - enables simultaneous sensor acquisition in motor control |
| Connectivity | 2× FD-CAN, Ethernet MAC with DMA, 2× USB OTG (FS + HS), 1× USB Type-C PD controller, SPDIF-IN, HDMI-CEC |
| Graphics | NeoChrom GPU2D + Chrom-ART DMA2D + Chrom-GRC GFXMMU - accelerates UI rendering, rotation, scaling, and texture mapping |
| Security | PSA Level 2 & SESIP Level 3 certified (under certification); secure boot, HDP, SFI/SFU, HUK, MCE for external memory encryption |
| Power | 1.71–3.6 V supply; integrated SMPS step-down converter and LDO for VCORE; Sleep/Stop/Standby low-power modes |
Pinout & Package
This device is packaged in VFQFPN68 (10 × 10 mm), a thermally enhanced, fine-pitch quad flat no-lead package suitable for space-constrained industrial and automotive control modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power supply and ground | Supplies VCORE domain; requires external 1 µF + 10 nF decoupling per pair near package corner |
| VDDA, VSSA | Analog power and ground | Isolates ADC/DAC reference domain; must be filtered separately from digital VDD |
| VCAP1/2 | Core voltage stabilization | Connects to 2.2 µF ceramic capacitor to stabilize internal SMPS output for VCORE regulation |
| NRST | Active-low reset input | Asynchronous reset pin; internal pull-up; compatible with open-drain reset supervisors |
| BOOT0 | Boot mode selection | High at power-up selects system memory bootloader; tied low for main flash execution |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | Up to 152 GPIOs with interrupt capability; most support multiple alternate functions including FD-CAN, USB, SPI, and LCD-TFT signals |
Key Features
| Feature | Design Value |
|---|---|
| Dual FD-CAN interfaces | Supports ISO 11898-1:2015 CAN FD protocol up to 5 Mbps - enables vehicle diagnostics and ECU interconnect without external transceivers |
| Hardware JPEG codec | Real-time encode/decode of JPEG images in firmware - offloads CPU for camera-based UI or surveillance preprocessing |
| CORDIC co-processor | Accelerates trigonometric, hyperbolic, and logarithmic functions - improves motor FOC or sensor fusion loop efficiency by >10× vs software |
| Audio Digital Filter (ADF) | Processes 2 microphone inputs with voice activity detection (VAD) - enables always-on wake-word detection in low-power audio edge nodes |
| Flexible memory controller (FMC) | Supports parallel LCD-TFT up to XGA resolution and digital camera interface (DCMIPP) with pixel cropping - simplifies HMI and vision subsystem integration |
Applications
| Industrial HMI | Automotive Diagnostic Gateway |
|---|---|
Use Scenario: Touch-enabled operator panel with animated graphics and real-time process monitoring in factory automation. IC Role / Device Role / Timing Role: Primary application processor executing FreeRTOS, driving TFT-LCD via LTDC, and managing EtherCAT fieldbus over Ethernet MAC. Use Value: NeoChrom GPU2D enables smooth 60 fps UI rendering while Cortex-M7 handles deterministic control loops - eliminating need for external GPU or FPGA. | Use Scenario: In-vehicle gateway bridging CAN FD ECUs to cloud-connected telematics unit via Ethernet or USB. IC Role / Device Role / Timing Role: Dual FD-CAN controller with time-triggered scheduling, secure OTA update handler via SFI/SFU, and encrypted log storage using HUK + SAES. Use Value: PSA-certified security stack and FD-CAN bit-rate agility (up to 5 Mbps) meet UNECE R155 compliance requirements for vehicle software updates. |
| Edge AI Sensor Hub | Secure IoT Gateway |
Use Scenario: Battery-powered environmental monitor fusing multi-sensor data (temp, humidity, gas, audio) with local ML inference. IC Role / Device Role / Timing Role: Real-time sensor aggregator using 2× ADCs + ADF + DTS, running TinyML model on Cortex-M7 with CORDIC-assisted feature extraction. Use Value: Integrated SMPS and Stop-mode low-power timers extend battery life to >1 year; on-chip RNG and PKA enable lightweight TLS handshake without external crypto IC. | Use Scenario: Smart building controller aggregating BACnet/IP, Modbus TCP, and BLE devices into unified cloud API. IC Role / Device Role / Timing Role: Secure network bridge with Ethernet MAC, dual USB OTG (host/device), and hardware-accelerated TLS via CRYP + HASH + SAES engines. Use Value: MCE encrypts external PSRAM used for packet buffering - preventing memory snooping during firmware updates or data transit. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance secure MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H743VI | Higher flash (2 MB) and RAM (1 MB), no FD-CAN, lacks PSA/SESIP certification, older security architecture | Targeted at non-automotive real-time control (e.g., PLCs) where FD-CAN and formal security certification are not required | Select when legacy HAL compatibility and larger code space outweigh FD-CAN and modern security needs |
| RA8T1A32M | Arm Cortex-M85 core, 480 MHz, 2 MB flash, 1.5 MB SRAM, no FD-CAN, Renesas TrustZone but no PSA/SESIP certification | Optimized for motor control with dedicated timer peripherals; weaker graphics IP and no JPEG codec | Select for servo drive applications needing high-resolution PWM and encoder interfaces over FD-CAN or UI acceleration |
Compared with STM32H743VI and RA8T1A32M, the STM32H7S3L8H6H uniquely balances FD-CAN, PSA-certified security, and hardware graphics acceleration in a compact VFQFPN68 package - making it optimal for next-gen automotive gateways and secure industrial HMIs where footprint and certification matter.
Availability
STM32H7S3L8H6H is available at Aetrix Electronics and suitable for industrial HMIs, automotive diagnostic gateways, edge AI sensor hubs, and secure IoT gateways requiring stable component supply across extended product lifecycles.
Supply support for STM32H7S3L8H6H 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 STM32H7S series is designed for high-performance, secure, and graphics-rich embedded applications - targeting automotive gateways, industrial HMIs, and edge AI endpoints where safety, security, and UI responsiveness are critical.
FAQ
What is the maximum operating frequency and core configuration of the STM32H7S3L8H6H?
The STM32H7S3L8H6H features a single Arm Cortex-M7 core running at up to 600 MHz, with double-precision floating-point unit (DP-FPU), memory protection unit (MPU), and 32+32 KB L1 instruction/data cache. It does not implement dual-core operation; all performance claims refer to this single high-frequency core with zero-wait-state execution from flash or external memory.
Does the STM32H7S3L8H6H support hardware-accelerated encryption for external memories?
Yes - the Memory Cipher Engine (MCE) provides on-the-fly AES-128/256 encryption and decryption of serial (octo-SPI) and parallel (FMC) external memories. This protects firmware and data stored in external PSRAM, NOR, or SDRAM against physical memory dumping, and is configurable per memory region via secure registers.
Which graphics accelerators are integrated, and what are their distinct roles?
The device integrates three complementary graphics IPs: NeoChrom GPU2D handles affine transformations (rotation, scaling, perspective-correct texture mapping); Chrom-ART Accelerator (DMA2D) performs 2D composition and image blending; Chrom-GRC (GFXMMU) acts as a graphics memory management unit optimizing up to 20% of graphic resource usage by reducing buffer overhead and fragmentation.
What low-power modes are supported, and which peripherals remain active in Stop mode?
The STM32H7S3L8H6H supports Sleep, Stop, and Standby modes. In Stop mode, the Cortex-M7 core and most clocks halt, but five 16-bit low-power timers, RTC, backup SRAM, and certain I/Os retain state. The FD-CAN and Ethernet MAC are disabled in Stop mode, though wakeup can occur via EXTI lines, RTC alarm, or LPUART activity.
STM32H7S3L8H6H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 225-TFBGA
- Series:
- STM32H7
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit
- Speed:
- 600MHz
- 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, POR, PWM, WDT
- Number of I/O:
- 150
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 616K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 20x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32H7S3L8H6H FAQ
1.How can I place an order for STM32H7S3L8H6H through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32H7S3L8H6H 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 STM32H7S3L8H6H reliable?
The price and inventory of STM32H7S3L8H6H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32H7S3L8H6H is usually 5 days.
3.What payment methods are accepted for STM32H7S3L8H6H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32H7S3L8H6H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32H7S3L8H6H?
STM32H7S3L8H6H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32H7S3L8H6H 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 STM32H7S3L8H6H?
For technical support, including STM32H7S3L8H6H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32H7S3L8H6H requirements.
6.How does Aetrix verify that STM32H7S3L8H6H is sourced from the original manufacturer or authorized distributors?
All STM32H7S3L8H6H 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 STM32H7S3L8H6H meets industry standards.
7.What is the process for return or replacement of STM32H7S3L8H6H?
All STM32H7S3L8H6H units undergo pre-shipment inspection (PSI). If there is an issue with STM32H7S3L8H6H, 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 STM32H7S3L8H6H part is unused and in its original packaging.
Return procedure for STM32H7S3L8H6H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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