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STMicroelectronics STM32H7S3L8H6
- Part No.:
- STM32H7S3L8H6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
STM32H7S3L8H6.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 225TFBGA
- Quantity:
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Inventory:4,395
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Product details
Overview
STM32H7S3L8H6 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 UI rendering - such as industrial HMIs and connected edge gateways.
For engineers reviewing the STM32H7S3L8H6 datasheet, STM32H7S3L8H6 pinout, STM32H7S3L8H6 application, or STM32H7S3L8H6 equivalent, key selection considerations include its dual FD-CAN support for automotive diagnostics, on-the-fly external memory encryption, PSA Level 2/SESIP Level 3 security certification, and integrated JPEG codec for camera-enabled IoT devices.
Technical Context
The STM32H7S3L8H6 implements a dual-bank Arm Cortex-M7 core with MPU, DP-FPU, and 32+32 KB L1 instruction/data caches enabling zero-wait-state execution. Its memory architecture includes TCM RAM (64+64 KB), AXI SRAM (384 KB), and 4 KB backup SRAM - all configurable with optional ECC.
Security is implemented via embedded Root Secure Services (RSS), Secure Firmware Installation (SFI/SFU), hardware AES coprocessors (one DPA-resistant), PKA for ECC verification, and active tamper detection. Graphics acceleration leverages NeoChrom GPU2D for rotation/scaling and Chrom-GRC (GFXMMU) for 20% resource optimization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7 @ 600 MHz with DP-FPU, MPU, and 32+32 KB L1 cache - enables deterministic real-time execution and floating-point-intensive control algorithms. |
| Flash / RAM | 64 KB user flash; 620 KB total SRAM (548 KB with ECC) - supports complex firmware, secure boot partitions, and large frame buffers for XGA displays. |
| ADC | 2× 12-bit ADCs, up to 5 MSPS, 17 channels - suitable for multi-sensor industrial monitoring with simultaneous sampling. |
| Connectivity | 2× FD-CAN, Ethernet MAC, 2× USB (FS + HS), 3× I2C, 4× UART/USART, 6× SPI, 2× SAI - meets requirements for CAN FD-based vehicle diagnostics and audio-rich edge nodes. |
| Graphics | NeoChrom GPU2D + Chrom-ART DMA2D + JPEG codec - accelerates UI rendering, image scaling, and camera pipeline processing without CPU load. |
| Security | PSA Level 2 & SESIP Level 3 certified; HUK, SAES, PKA, HASH, RNG (NIST SP800-90B), secure hide protection area - enables trusted boot and over-the-air firmware validation. |
| Power Management | SMPS step-down converter + LDO; Sleep/Stop/Standby modes; VBAT RTC support - achieves sub-μA retention in battery-backed applications. |
Pinout & Package
STM32H7S3L8H6 is packaged in VFQFPN68 (10 × 10 mm, 0.5 mm pitch), a thermally enhanced, space-efficient quad flat no-lead package suitable for compact industrial and automotive control modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power supply and ground | Supplies VCORE (1.1 V typical); requires external 10 µF ceramic capacitor per VDD pin for stable operation under 600 MHz switching. |
| VCAP | Core regulator bypass | Connects to 2.2 µF low-ESR ceramic capacitor to stabilize internal SMPS/LDO output; critical for clock stability and low-noise analog performance. |
| NRST | Active-low reset input | Asynchronous reset signal with Schmitt trigger; debounced externally for reliable system initialization after brown-out or watchdog timeout. |
| BOOT0 | Boot mode selection | High at power-up selects system memory bootloader; used for field firmware recovery without debugger access. |
| PA13/PA14 | SWD debug interface | Serial Wire Debug (SWDIO/SWCLK) pins - enable authenticated debug access only when lifecycle permits; JTAG disabled by default. |
| PD0/PD1 | OSC_IN/OSC_OUT | Connects to 4–50 MHz external crystal for precise clock generation; required for USB/Ethernet timing compliance and RTC accuracy. |
Key Features
| Feature | Design Value |
|---|---|
| Dual FD-CAN controllers | Supports ISO 11898-1:2015 CAN FD frames (up to 8 MBps) for automotive diagnostics and high-bandwidth sensor networks. |
| On-the-fly memory encryption | Hardware MCE engine encrypts/decrypts serial and parallel external memories (Octo-SPI, FMC) transparently - secures firmware and display assets in runtime. |
| NeoChrom GPU2D + Chrom-GRC | Enables hardware-accelerated 2D graphics with perspective-correct texture mapping and 20% memory bandwidth reduction for TFT-LCD UIs. |
| Secure firmware installation (SFI) | Uses embedded RSS to validate, decrypt, and install signed firmware images - eliminates need for external secure element in OTA update architectures. |
| Audio digital filter (ADF) | Processes two microphone inputs with voice activity detection (VAD), enabling always-on wake-word detection in low-power edge audio nodes. |
Applications
| Industrial HMI | Automotive Diagnostic Tool |
|---|---|
Use Scenario: Touchscreen-based operator interface for PLC-controlled machinery with real-time status visualization and alarm logging. IC Role / Device Role / Timing Role: Main application processor executing FreeRTOS, driving XGA LCD via LTDC, handling CAN FD communication with field devices, and managing encrypted firmware updates. Use Value: Integrated NeoChrom GPU2D renders smooth animations at 60 fps while freeing >40% CPU bandwidth; dual FD-CAN allows concurrent diagnostic session and ECU reprogramming. | Use Scenario: Handheld OBD-II scanner supporting UDS protocols, live data streaming, and flash programming of ECUs over CAN FD. IC Role / Device Role / Timing Role: Central controller interfacing with USB-C PD port for host connectivity, dual FD-CAN transceivers for vehicle bus access, and secure flash storage for calibration files. Use Value: PSA-certified security ensures integrity of downloaded ECU firmware; SMPS + Stop mode achieves <15 µA standby current during vehicle ignition-off periods. |
| Edge Gateway | Smart Camera Node |
Use Scenario: Protocol-agnostic industrial gateway aggregating Modbus, CAN FD, and Ethernet traffic for cloud telemetry and local edge inference. IC Role / Device Role / Timing Role: Dual-core-capable MCU running Linux-compatible RTOS, managing Ethernet MAC + USB OTG HS + SDIO for storage, and performing TLS offload via crypto accelerators. Use Value: Hardware HASH and AES engines accelerate TLS 1.3 handshake by 3.2× vs software-only; 620 KB SRAM hosts multiple protocol stacks and packet buffers simultaneously. | Use Scenario: Battery-powered surveillance node capturing MJPEG video from parallel camera interface and performing motion-triggered upload. IC Role / Device Role / Timing Role: Image processor using DCMIPP for pixel cropping/format conversion, JPEG codec for compression, and ADF for acoustic event detection. Use Value: On-chip JPEG encoding reduces raw image bandwidth by 8:1; CORDIC co-processor accelerates trigonometric calculations for pan-tilt-zoom motor control. |
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 |
|---|---|---|---|
| STM32H753VI | Higher flash (2 MB) and RAM (1 MB); lacks FD-CAN and NeoChrom GPU2D; includes FPU but no PSA/SESIP certification. | Better suited for general-purpose real-time control without automotive CAN FD or graphics acceleration needs. | Select when prioritizing memory headroom and legacy toolchain compatibility over FD-CAN and certified security. |
| RA8T1A002FGB | Arm Cortex-M85 core @ 600 MHz; 1 MB flash, 1 MB SRAM; includes TrustZone but no FD-CAN or JPEG codec; different peripheral set (no LTDC, no DCMIPP). | Targets functional safety (ASIL-B ready) and AI inference at edge, not graphics-heavy or CAN FD–centric use cases. | Choose for safety-critical motor control with ML inference, not for HMI or automotive diagnostics. |
Compared with STM32H753VI and RA8T1A002FGB, the STM32H7S3L8H6 uniquely combines FD-CAN, PSA/SESIP security, and hardware JPEG + GPU2D - making it the only option among the three for secure, graphics-enabled, automotive-diagnostic-capable edge nodes.
Availability
STM32H7S3L8H6 is available at Aetrix Electronics and suitable for industrial HMIs, automotive diagnostic tools, edge gateways, and smart camera nodes requiring stable component supply across extended product lifecycles.
Supply support for STM32H7S3L8H6 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, designing and manufacturing microcontrollers, power ICs, sensors, and analog components for industrial, automotive, and consumer markets.
The STM32H7S series is engineered for high-performance, secure, and graphics-rich embedded applications - delivering certified security, real-time responsiveness, and integrated multimedia acceleration in a single chip.
FAQ
What is the maximum operating frequency and core configuration of the STM32H7S3L8H6?
The STM32H7S3L8H6 features a single Arm Cortex-M7 core running at up to 600 MHz with double-precision FPU, MPU, and 32+32 KB L1 instruction/data caches. It does not implement dual-core operation; the "dual-port DMA" refers to memory access arbitration, not CPU duplication.
Does the STM32H7S3L8H6 support external SDRAM, and what interfaces are available for that purpose?
Yes, it supports external SDR/LPSDR SDRAM via its Flexible Memory Controller (FMC) with up to 32-bit data bus width. The FMC also handles NOR/NAND/PSRAM and includes dedicated control signals (A[0:25], D[0:31], NBL[0:3], NE[1:4], NOE, NWE, etc.) for full compatibility with JEDEC-standard SDRAM parts.
How is security implemented on the STM32H7S3L8H6, and what certifications does it hold?
Security is implemented through PSA Level 2 and SESIP Level 3 certification (under final validation), Root of Trust (secure boot entry + HDP), hardware AES/SHA/RNG accelerators, public key accelerator (PKA), and Secure Firmware Installation (SFI) services. All cryptographic operations occur in isolated secure domains with tamper detection.
Which display interfaces does the STM32H7S3L8H6 support, and what is the maximum resolution?
The device supports LCD-TFT via its LTDC controller (up to XGA resolution: 1024×768@60 Hz) and parallel display interfaces via FMC8/16. It also includes Chrom-GRC (GFXMMU) for optimized memory bandwidth usage and NeoChrom GPU2D for hardware-accelerated 2D graphics rendering.
STM32H7S3L8H6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
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- Speed:
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STM32H7S3L8H6 FAQ
1.How can I place an order for STM32H7S3L8H6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32H7S3L8H6 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 STM32H7S3L8H6 reliable?
The price and inventory of STM32H7S3L8H6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32H7S3L8H6 is usually 5 days.
3.What payment methods are accepted for STM32H7S3L8H6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32H7S3L8H6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32H7S3L8H6?
STM32H7S3L8H6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32H7S3L8H6 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 STM32H7S3L8H6?
For technical support, including STM32H7S3L8H6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32H7S3L8H6 requirements.
6.How does Aetrix verify that STM32H7S3L8H6 is sourced from the original manufacturer or authorized distributors?
All STM32H7S3L8H6 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 STM32H7S3L8H6 meets industry standards.
7.What is the process for return or replacement of STM32H7S3L8H6?
All STM32H7S3L8H6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32H7S3L8H6, 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 STM32H7S3L8H6 part is unused and in its original packaging.
Return procedure for STM32H7S3L8H6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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