STMicroelectronics STM32H7R7I8T6
- Part No.:
- STM32H7R7I8T6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
STM32H7R7I8T6.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 176LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:991
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32H7R7I8T6 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 integrated NeoChrom GPU2D for advanced graphics acceleration. It targets high-performance industrial HMI, motor control gateways, and edge AI inference nodes requiring real-time deterministic execution and rich peripheral integration.
For engineers reviewing the STM32H7R7I8T6 datasheet, STM32H7R7I8T6 pinout, STM32H7R7I8T6 application, or STM32H7R7I8T6 equivalent, key selection considerations include its LQFP176 package, dual FD-CAN support for automotive diagnostics, hardware JPEG codec for embedded vision preprocessing, and secure firmware update (SFU) capability enabled by embedded root secure services (RSS).
Technical Context
This MCU implements a dual-bank Arm Cortex-M7 core with MPU, DP-FPU, and 32+32 KB L1 instruction/data cache enabling zero-wait-state execution from flash or external memory. Its memory architecture includes 64 KB user flash, 620 KB SRAM (with TCM/AXI partitioning), and flexible external memory controllers supporting SDRAM, NOR/NAND, and octo-SPI HyperRAM™ at up to 200 MHz.
The device integrates security IP including public key accelerator (ECC verification only), HASH engine, NIST SP800-90B-compliant TRNG, and secure hide protection area (HDP) for root-of-trust boot. Graphics acceleration is delivered via 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 @ 600 MHz with DP-FPU, MPU, and 32+32 KB L1 cache for deterministic real-time execution |
| Flash Memory | 64 KB user flash for code storage and external memory configuration; supports secure firmware installation |
| SRAM | 620 KB total: 128 KB TCM (64+64 KB I/D), 384 KB AXI, 4 KB backup RAM; 548 KB usable with ECC enabled |
| Graphics Acceleration | NeoChrom GPU2D + Chrom-ART DMA2D + Chrom-GRC GFXMMU enabling XGA LCD-TFT display with perspective-correct texture mapping |
| Connectivity | 2× FD-CAN, Ethernet MAC with DMA, 2× USB OTG (FS/HS), 1× UCPD, 3× I2C, 1× I3C, 6–9× SPI/I2S, 2× SAI, SPDIF-IN, HDMI-CEC |
| Analog Peripherals | 2× 12-bit ADCs (5 MSPS), audio digital filter (ADF) with VAD, digital camera interface (DCMIPP), JPEG codec, and analog temperature sensor |
| Security Features | Secure boot with unique entry, HDP, RSS-based SFU, PKA (ECC verify), HASH, TRNG, 96-bit UID, 1 KB OTP, active tamper detection |
Pinout & Package
STM32H7R7I8T6 is housed in a 176-pin LQFP package (24 × 24 mm, 0.5 mm pitch), compliant with ECOPACK2 environmental standards. This package provides 152 general-purpose I/Os with interrupt capability, optimized for industrial PCB layouts requiring thermal robustness and mechanical reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Core power supply/ground | 1.71–3.6 V application supply; VCORE regulated via internal LDO or SMPS; decoupling required per datasheet layout guidelines |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 152 GPIOs with configurable pull-up/down, alternate function mapping, and interrupt capability; support for fast slew rate and 5 V-tolerant inputs on selected pins |
| PC13–PC15 | RTC/LSE interface | Dedicated pins for 32.768 kHz LSE crystal or oscillator; enable RTC calendar, sub-second timing, and low-power wake-up |
| PD0/PD1 | HSE oscillator input | Supports 4–50 MHz external crystal; feeds PLL for system clock generation and USB/Ethernet timing reference |
| PA11/PA12 | USB FS D+/D− | Full-speed USB OTG interface with embedded PHY; requires 1.5 kΩ pull-up on D+ for device enumeration |
| PE2–PE7 | Ethernet MAC RMII | 8-pin RMII interface (REF_CLK, CRS_DV, RXD0–1, TXD0–1, TX_EN); enables 10/100 Mbps Ethernet connectivity without external PHY |
| PF9/PF10 | FDCAN1 TX/RX | Dual FD-CAN transceiver interfaces supporting ISO 11898-1:2015 CAN FD frames up to 5 Mbps with flexible data-rate arbitration |
Key Features
| Feature | Design Value |
|---|---|
| Hardware JPEG Codec | Enables real-time compression/decompression of image data in embedded vision systems without CPU load |
| NeoChrom GPU2D | Accelerates rotation, scaling, and perspective-correct texture mapping for smooth UI rendering on XGA displays |
| Secure Firmware Update (SFU) | Uses embedded root secure services (RSS) to validate and install signed firmware images with rollback protection |
| CORDIC Co-processor | Offloads trigonometric and hyperbolic function computation for motor control and signal processing algorithms |
| Flexible External Memory Controller | Supports SDR/LPSDR SDRAM, PSRAM, FRAM, and NOR/NAND with up to 32-bit bus width and configurable timing |
Applications
| Industrial HMI Panel | Automotive Diagnostic Gateway |
|---|---|
Use Scenario: Touch-enabled factory floor display with real-time machine status, alarm logging, and local data visualization. IC Role / Device Role / Timing Role: Primary application processor managing LCD-TFT controller, capacitive touch controller interface, and local database via FMC-connected NAND flash. Use Value: NeoChrom GPU2D renders animated gauges and multi-layer UI at 60 fps; Chrom-ART DMA2D composites overlay elements without CPU intervention. | Use Scenario: In-vehicle gateway bridging CAN FD diagnostic networks (OBD-II, UDS) with Ethernet backhaul to telematics control unit. IC Role / Device Role / Timing Role: Dual FD-CAN controller handles concurrent UDS session management and ECU reprogramming while Ethernet MAC streams logs to cloud. Use Value: Hardware FD-CAN message filtering and FIFO buffering reduce CPU overhead by >40% vs software-only stacks; deterministic latency under 50 µs. |
| Edge AI Vision Node | High-Precision Motor Control Hub |
Use Scenario: Compact vision sensor performing local object detection using lightweight CNN models and JPEG-encoded image capture. IC Role / Device Role / Timing Role: JPEG codec pre-processes raw camera frames; CORDIC accelerates coordinate transforms; SRAM hosts model weights and inference buffers. Use Value: On-chip JPEG decode reduces frame buffer size by 4×; 620 KB SRAM accommodates ResNet-18 quantized inference stack with real-time throughput. | Use Scenario: Multi-axis servo drive with field-oriented control (FOC), current sensing, and safety monitoring (STO, SS1). IC Role / Device Role / Timing Role: Real-time FOC loop executed in TCM RAM; ADCs sample three-phase currents at 5 MSPS; timers generate precise PWM with dead-time insertion. Use Value: 600 MHz Cortex-M7 executes 20 µs FOC loops with margin; dual 12-bit ADCs provide synchronized sampling across all phases. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance Arm Cortex-M7 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H743VI | 2 MB flash, 1 MB RAM, no built-in SFU/RSS, lacks JPEG codec and NeoChrom GPU2D | Suitable for non-secure, non-graphic intensive real-time control where larger code space is needed | Select when flash capacity >64 KB is required and security/graphic acceleration are secondary |
| STM32H750IB | 128 KB flash, 1 MB RAM, same security IP and graphics engines, but no Ethernet MAC or FD-CAN | Better fit for cost-sensitive, graphics-rich consumer devices without automotive or industrial networking | Choose when Ethernet/FD-CAN are unnecessary and higher RAM density is prioritized over connectivity |
Compared with STM32H743VI and STM32H750IB, the STM32H7R7I8T6 uniquely balances compact 64 KB flash with full security (RSS/SFU), advanced graphics (NeoChrom+DMA2D), and dual FD-CAN/Ethernet-making it optimal for secure, connected, and visually interactive edge nodes where BOM cost and footprint are constrained.
Availability
STM32H7R7I8T6 is available at Aetrix Electronics and suitable for industrial HMI panels, automotive diagnostic gateways, and edge AI vision nodes requiring stable component supply across extended product lifecycles.
Supply support for STM32H7R7I8T6 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 components for industrial, automotive, and consumer markets.
The STM32H7R series is engineered for cost-optimized, high-performance embedded applications demanding security, graphics, and connectivity in compact packages-targeting next-generation human-machine interfaces and intelligent edge devices.
FAQ
What is the maximum operating frequency and core architecture of the STM32H7R7I8T6?
The STM32H7R7I8T6 features an 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. This enables zero-wait-state execution from flash or external memory and delivers 3196 CoreMark® (5.33 CoreMark®/MHz) performance for deterministic real-time tasks.
Does the STM32H7R7I8T6 support secure firmware updates out of the box?
Yes. The device includes embedded root secure services (RSS) and secure firmware installation/update (SFI/SFU) capabilities. It supports certificate-based authentication, secure boot with unique entry, and hardware-accelerated ECC verification and HASH operations-enabling trusted over-the-air (OTA) firmware deployment without external secure elements.
Which display interfaces does the STM32H7R7I8T6 support for high-resolution graphics?
The MCU integrates an LCD-TFT controller supporting up to XGA (1024×768) resolution, a flexible memory controller (FMC8/16) for parallel display interfaces, and NeoChrom GPU2D with Chrom-ART DMA2D for hardware-accelerated 2D graphics. It also includes Chrom-GRC (GFXMMU) to optimize graphic resource usage by up to 20%.
What are the key differences between STM32H7R7I8T6 and STM32H743VI in terms of security and graphics?
The STM32H7R7I8T6 includes dedicated secure firmware update (SFU) infrastructure, root secure services (RSS), and hardware JPEG codec-features absent in the STM32H743VI. While both offer DMA2D, only the H7R7 integrates NeoChrom GPU2D for advanced 2D transformations and Chrom-GRC for memory-efficient graphics rendering.
STM32H7R7I8T6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 176-LQFP
- 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:
- 118
- 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 17x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32H7R7I8T6 FAQ
1.How can I place an order for STM32H7R7I8T6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32H7R7I8T6 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 STM32H7R7I8T6 reliable?
The price and inventory of STM32H7R7I8T6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32H7R7I8T6 is usually 5 days.
3.What payment methods are accepted for STM32H7R7I8T6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32H7R7I8T6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32H7R7I8T6?
STM32H7R7I8T6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32H7R7I8T6 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 STM32H7R7I8T6?
For technical support, including STM32H7R7I8T6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32H7R7I8T6 requirements.
6.How does Aetrix verify that STM32H7R7I8T6 is sourced from the original manufacturer or authorized distributors?
All STM32H7R7I8T6 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 STM32H7R7I8T6 meets industry standards.
7.What is the process for return or replacement of STM32H7R7I8T6?
All STM32H7R7I8T6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32H7R7I8T6, 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 STM32H7R7I8T6 part is unused and in its original packaging.
Return procedure for STM32H7R7I8T6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32H7R7I8T6 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

