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STMicroelectronics STM32H7R7L8H6H
- Part No.:
- STM32H7R7L8H6H
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 225-TFBGA
- Datasheet:
-
STM32H7R7L8H6H.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 225TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,067
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Product details
Overview
STM32H7R7L8H6H 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, Ethernet MAC, and dual USB OTG (FS + HS). It integrates NeoChrom GPU2D and Chrom-ART DMA2D accelerators for advanced graphics in industrial HMI and edge AI vision gateways.
For engineers reviewing the STM32H7R7L8H6H datasheet, STM32H7R7L8H6H pinout, STM32H7R7L8H6H application, or STM32H7R7L8H6H equivalent, key selection criteria include FD-CAN timing compliance, AXI/TDM bus bandwidth allocation, TCM RAM partitioning for real-time control loops, and secure boot certificate validation flow.
Technical Context
The device implements a dual-bus matrix interconnect supporting concurrent AXI and AHB accesses, enabling simultaneous CPU execution, DMA transfers, and peripheral I/O without contention. Its dual 12-bit ADCs deliver up to 5 MSPS with hardware oversampling and analog watchdogs for motor current sensing.
Security architecture centers on a root-of-trust boot entry with Secure Hide Protection Area (HDP) and embedded Root Secure Services (RSS) for authenticated firmware updates. The CORDIC co-processor offloads trigonometric computations required for field-oriented control (FOC) algorithms.
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 for zero-wait-state flash execution |
| Memory | 64 KB user flash + 620 KB SRAM (64+64 KB TCM, 384 KB AXI, 4 KB backup) with optional ECC |
| Graphics | NeoChrom GPU2D + Chrom-ART DMA2D + Chrom-GRC GFXMMU for 20% resource optimization in TFT-LCD rendering |
| Connectivity | 2× FD-CAN (ISO 11898-1:2015 compliant), 1× Ethernet MAC with DMA, 2× USB OTG (FS/HS), 3× I2C FM+, 6× SPI |
| Analog | 2× 12-bit ADCs, 5 MSPS max, 17-channel multiplexing, hardware oversampling up to 16× |
| Security | Secure firmware installation (SFI/SFU), PKA (ECC only), HASH, TRNG (NIST SP800-90B), 96-bit UID, 1 KB OTP |
| Package | VFQFPN68 (10 × 10 mm, 0.5 mm pitch) with 68-pin layout optimized for thermal dissipation in compact industrial modules |
Pinout & Package
VFQFPN68 (10 × 10 mm, 0.5 mm pitch) package with exposed thermal pad for enhanced power dissipation in continuous 600 MHz operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO2 | Power supply domains | Separate 1.71–3.6 V rails for core (VCORE via SMPS/LDO), analog (VDDA), and I/O (VDDIO2) enable independent noise isolation and low-power retention |
| PA13/PA14 | SWD debug interface | Dedicated SWDIO/SWCLK pins with internal pull-ups; no remapping allowed - essential for certified debug authentication flow |
| PD0/PD1 | OSC_IN/OSC_OUT | 4–50 MHz external crystal input for high-accuracy system clock; supports HSE bypass mode for oscillator-less designs |
| PC12 | ETH_MDC | Ethernet management data clock output - requires precise 2.5 MHz timing per IEEE 802.3 clause 22 for PHY register access |
| PE2 | FDCAN1_TX | FD-CAN1 transmit differential driver - must be routed with controlled 120 Ω impedance and <10 mm length matching to CANH/CANL |
| PF13 | USB_OTG_HS_ULPI_D7 | ULPI data line 7 for high-speed USB PHY interface - part of 8-bit parallel ULPI bus requiring strict setup/hold timing |
Key Features
| Feature | Design Value |
|---|---|
| Flexible External Memory Controller (FMC) | Supports SDR/LPSDR SDRAM, NOR/NAND, PSRAM up to 32-bit bus width - enables external frame buffer for XGA TFT displays |
| Octo-SPI Interface | 200 MHz XiP-capable interface with HyperRAM™/HyperFlash™ support - allows direct code execution from serial PSRAM without latency penalty |
| Audio Digital Filter (ADF) | Dual microphone input with voice activity detection (VAD) - enables always-on wake-word detection in low-power audio edge nodes |
| Low-Power Timers (LPTIMx) | 5 independent 16-bit timers operational in Stop mode with sub-microsecond resolution - critical for periodic sensor sampling without full MCU wake-up |
| JPEG Codec Hardware | Real-time encode/decode of 640×480 images at ≤10 ms - offloads CPU in camera-based inspection systems |
Applications
| Industrial HMI Panel | Automotive Gateway Module |
|---|---|
Use Scenario: 7-inch TFT-LCD panel with capacitive touch, real-time diagnostics, and CAN FD firmware update capability. IC Role / Device Role / Timing Role: Main application processor handling GUI rendering via LTDC controller, FD-CAN message routing, and secure OTA update orchestration. Use Value: NeoChrom GPU2D enables smooth 60 fps rotation/scaling of vector graphics; dual FD-CAN controllers isolate body and powertrain networks with time-triggered scheduling. | Use Scenario: In-vehicle domain controller aggregating ADAS camera feeds, radar data, and infotainment commands over FD-CAN and Ethernet. IC Role / Device Role / Timing Role: Central hub managing multi-protocol bridging (FD-CAN ↔ Ethernet ↔ USB), JPEG compression of camera streams, and secure boot chain verification. Use Value: Hardware JPEG codec reduces CPU load by 45% during image preprocessing; SMPS regulator delivers 1.1 V VCORE at >90% efficiency under dynamic load. |
| Edge AI Vision Gateway | Programmable Logic Controller (PLC) |
Use Scenario: Compact DIN-rail mounted gateway performing real-time object detection on dual-camera inputs and publishing results via MQTT over Ethernet. IC Role / Device Role / Timing Role: Vision processing unit executing CNN inference kernels on Cortex-M7, with DMA2D accelerating feature map resampling and memory-to-memory transfers. Use Value: 620 KB SRAM includes 384 KB AXI SRAM for large tensor buffers; CORDIC co-processor accelerates angle calculations in pose estimation algorithms. | Use Scenario: Modular PLC base unit controlling servo drives, I/O expansion, and safety monitoring via dual isolated FD-CAN buses. IC Role / Device Role / Timing Role: Deterministic real-time controller running IEC 61131-3 logic with sub-100 µs cycle times, leveraging TCM RAM for interrupt service routines. Use Value: Sixteen 16-bit timers (5 low-power) provide precise PWM generation and encoder capture; ECC-enabled SRAM ensures SIL2-compliant data integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H7R7I8H6H | LQFP176 package (176-pin) vs VFQFPN68; identical core/peripherals but larger footprint and higher I/O count (148 vs 52) | Suitable for prototyping and PCBs requiring maximum peripheral flexibility and thermal margin | Select when board space permits and >100 GPIOs or multiple FMC interfaces are needed |
| STM32H7A3ZIT6 | Higher flash (2 MB vs 64 KB), no FD-CAN, adds AES/SHA crypto accelerators, different security model (no HDP/RSS) | Better suited for encrypted data concentrators than automotive network gateways | Choose only if cryptographic throughput outweighs FD-CAN requirement and flash size is critical |
Compared with STM32H7R7I8H6H, the STM32H7R7L8H6H trades I/O density and thermal headroom for compactness and lower BOM cost; versus STM32H7A3ZIT6, it prioritizes automotive-grade FD-CAN timing compliance and secure boot architecture over raw encryption performance.
Availability
STM32H7R7L8H6H is available at Aetrix Electronics and suitable for industrial HMI, automotive gateway modules, and edge AI vision gateways requiring stable component supply across extended product lifecycles.
Supply support for STM32H7R7L8H6H 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 management ICs, sensors, and analog devices for industrial, automotive, and consumer markets.
The STM32H7R series targets cost-sensitive, high-performance embedded applications demanding FD-CAN, graphics acceleration, and robust security - specifically engineered for automotive gateways and industrial HMIs where functional safety and firmware integrity are mandatory.
FAQ
What is the maximum junction temperature rating for STM32H7R7L8H6H in VFQFPN68 package?
The absolute maximum junction temperature is +125 °C, validated per JEDEC JESD51-2. Thermal resistance θJA is 42.5 °C/W under standard 4-layer PCB conditions (2 oz copper, 2 in² copper pour). Derating begins above 105 °C ambient for continuous 600 MHz operation.
Does STM32H7R7L8H6H support hardware-based secure boot with public key verification?
Yes - it implements a root-of-trust boot sequence using unique boot entry with certificate-based debug authentication and Secure Hide Protection Area (HDP). Public Key Accelerator (PKA) supports ECC verification for signed firmware images, enforced before any user code execution.
Can the dual FD-CAN controllers operate simultaneously at 5 Mbps with ISO 11898-1:2015 compliance?
Yes - both FD-CAN1 and FD-CAN2 support bit rates up to 5 Mbps in FD mode with programmable sample points and automatic retransmission. Each controller includes dedicated TX/RX FIFOs and time-triggered communication (TTCAN) registers compliant with ISO 11898-1:2015 Annex D.
Is the 64 KB flash memory sufficient for complex RTOS-based applications with graphics and networking stacks?
Yes - the 64 KB flash is intended for application code only; the device relies on external memory (via FMC or Octo-SPI) for graphics frame buffers, network protocol stacks, and filesystems. Internal flash hosts boot code, secure services (RSS), and critical real-time tasks, while external PSRAM/HyperRAM holds dynamic data.
STM32H7R7L8H6H 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, LCD, 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:
STM32H7R7L8H6H FAQ
1.How can I place an order for STM32H7R7L8H6H through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32H7R7L8H6H 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 STM32H7R7L8H6H reliable?
The price and inventory of STM32H7R7L8H6H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32H7R7L8H6H is usually 5 days.
3.What payment methods are accepted for STM32H7R7L8H6H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32H7R7L8H6H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32H7R7L8H6H?
STM32H7R7L8H6H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32H7R7L8H6H 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 STM32H7R7L8H6H?
For technical support, including STM32H7R7L8H6H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32H7R7L8H6H requirements.
6.How does Aetrix verify that STM32H7R7L8H6H is sourced from the original manufacturer or authorized distributors?
All STM32H7R7L8H6H 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 STM32H7R7L8H6H meets industry standards.
7.What is the process for return or replacement of STM32H7R7L8H6H?
All STM32H7R7L8H6H units undergo pre-shipment inspection (PSI). If there is an issue with STM32H7R7L8H6H, 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 STM32H7R7L8H6H part is unused and in its original packaging.
Return procedure for STM32H7R7L8H6H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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