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STMicroelectronics STM32F756IGT6
- Part No.:
- STM32F756IGT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
STM32F756IGT6.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:139
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Product details
Overview
STM32F756IGT6 from STMicroelectronics is a high-performance ARM Cortex-M7 microcontroller with FPU, 216 MHz max clock, 1 MB Flash, 320+16+4 KB RAM, hardware crypto acceleration (AES-128/192/256, SHA-1/2, HMAC), dual USB OTG (FS/HS), 10/100 Ethernet MAC, and LCD-TFT controller supporting XGA resolution - deployed in industrial HMI, medical imaging front-ends, and networked edge gateways.
For engineers reviewing the STM32F756IGT6 datasheet, STM32F756IGT6 pinout, STM32F756IGT6 application, or STM32F756IGT6 equivalent, key selection criteria include its dual-mode Quad-SPI interface for secure firmware storage, Chrom-ART Accelerator™ for real-time GUI rendering, and IEEE 1588v2 hardware timestamping for deterministic industrial networking.
Technical Context
The STM32F756IGT6 integrates an Arm Cortex-M7 core with L1 instruction/data caches (4 KB each), ART Accelerator™ enabling zero-wait-state execution from Flash or external memory, and a full AXI/AHB bus matrix supporting concurrent high-bandwidth peripherals including Ethernet MAC, SDRAM controller, and dual SAIs. Its memory subsystem includes 320 KB SRAM (64 KB DTCM + 16 KB ITCM + 4 KB backup), plus flexible external memory controller for NOR/NAND/SDRAM.
It implements dual CAN 2.0B controllers, two independent USB OTG PHYs (one FS on-chip, one HS with ULPI support), and a dedicated 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping - all operating at full 216 MHz system clock without peripheral clock dividers. The DCMI interface supports up to 54 MB/s parallel camera input, while the LCD-TFT controller drives XGA (1024×768) displays with DMA2D-accelerated graphics composition.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7 with FPU, 216 MHz max frequency, 462 DMIPS, DSP instructions, MPU |
| Memory | 1 MB Flash + 1024 B OTP; 320 KB SRAM (64 KB DTCM + 16 KB ITCM + 4 KB backup) |
| Crypto Engine | Hardware AES-128/192/256, triple DES, SHA-1/SHA-2, HMAC, TRNG, CRC unit |
| Connectivity | Dual USB OTG (FS + HS), 10/100 Ethernet MAC with IEEE 1588v2, 2× CAN 2.0B, SDMMC, SPDIFRX |
| Graphics & Imaging | LCD-TFT controller (XGA), Chrom-ART Accelerator™ (DMA2D), 8–14-bit DCMI (54 MB/s) |
| Timers & ADC | 18 timers (13×16-bit + 2×32-bit), 3×12-bit ADC (2.4 MSPS, 24 ch, 7.2 MSPS interleaved), 2× DAC |
| Package | LQFP176 (24×24 mm), 176-pin quad flat package with 5 V-tolerant I/Os (166 pins) |
Pinout & Package
LQFP176 (24 × 24 mm, 0.5 mm pitch) with exposed thermal pad; 166 I/Os rated 5 V-tolerant, 168 total pins including power/ground and dedicated VCAP/VCAP2 decoupling terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Main power supply / ground | Core & I/O supply (1.7–3.6 V); multiple pairs ensure low-noise operation across high-speed domains |
| VCAP1, VCAP2 | Internal regulator decoupling | 2.2 µF ceramic capacitors required per pin to stabilize 1.2 V core voltage; critical for 216 MHz stability |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 166 pins support 5 V tolerance, remappable alternate functions, and interrupt capability (EXTI) |
| PH0, PH1 | HSE oscillator input/output | 4–26 MHz crystal connection; enables precise clock source for USB/Ethernet timing and RTC calibration |
| PD0, PD1 | USART2 TX/RX | Dedicated UART pins with LIN/IRDA/ISO7816 support; usable as bootloader interface or debug console |
| PE2–PE7 | DCMI data bus (D0–D7) | 8-bit parallel camera interface; supports 54 MB/s throughput synchronized to pixel clock (PCLK) |
| PF10–PF15 | LCD data bus (D0–D7) + control | 8080/6800 mode interface driving TFT panels up to XGA; paired with LTDC controller and DMA2D engine |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ + L1 cache | Enables zero-wait-state 216 MHz execution from Flash or external memory, eliminating performance penalty of code fetch latency |
| Chrom-ART Accelerator™ (DMA2D) | Offloads 2D graphics operations (copy, blend, format conversion) from CPU, reducing GUI rendering time by >70% in HMI applications |
| Dual USB OTG with dedicated DMA | Simultaneous high-speed device/host operation (OTG_HS) and full-speed legacy support (OTG_FS) without CPU intervention |
| IEEE 1588v2 hardware timestamping | Sub-microsecond precision packet timestamping in Ethernet MAC, enabling deterministic synchronization in industrial PLC networks |
| Flexible Memory Controller (FMC) | Supports SDRAM, PSRAM, NOR/NAND flash, and SRAM with configurable bus width (8/16/32-bit) and timing registers for multi-vendor compatibility |
Applications
| Industrial HMI Panel | Medical Imaging Front-End |
|---|---|
|
Use Scenario: Touch-enabled operator interface for PLC-controlled machinery with real-time alarm visualization and trend logging. IC Role / Device Role / Timing Role: Main application processor managing GUI rendering via LTDC + DMA2D, Ethernet communication for SCADA integration, and local USB host for firmware updates. Use Value: 64 KB DTCM RAM ensures deterministic response to safety-critical interrupts; hardware crypto secures firmware OTA updates. |
Use Scenario: Portable ultrasound or endoscopy device capturing and preprocessing raw sensor data before transmission to cloud backend. IC Role / Device Role / Timing Role: Real-time image acquisition via DCMI (54 MB/s), on-chip FFT/DSP processing using Cortex-M7 FPU, and encrypted upload via TLS over Ethernet/USB. Use Value: Dual 12-bit ADCs (7.2 MSPS interleaved) digitize analog beamformer outputs; TRNG + AES-256 protect patient data at rest and in transit. |
| Smart Energy Gateway | Networked Building Controller |
|
Use Scenario: DIN-rail mounted gateway aggregating Modbus RTU, KNX, and M-Bus metering data into MQTT/HTTP payloads for cloud telemetry. IC Role / Device Role / Timing Role: Multi-protocol connectivity hub with 2× CAN, 4× USARTs, Ethernet MAC, and crypto engine for TLS 1.2 handshake acceleration. Use Value: IEEE 1588v2 timestamping aligns energy consumption events across distributed meters; 1 MB Flash stores dual firmware images for safe field updates. |
Use Scenario: HVAC and lighting controller coordinating BACnet MS/TP, LonWorks, and DALI devices in commercial buildings. IC Role / Device Role / Timing Role: Central scheduler running real-time tasks on ITCM RAM, managing 18 timers for PWM fan control, ADC-based temperature sampling, and watchdog supervision. Use Value: 168 fast I/Os (108 MHz) drive relay banks and sense binary inputs; low-power Stop mode (<10 µA) extends battery backup runtime during mains failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H743VIT6 | Higher clock (480 MHz), dual-core (Cortex-M7 + M4), 2 MB Flash, no built-in Ethernet PHY (requires external) | Targeted at ultra-low-latency motor control + AI inference; lacks integrated 10/100 MAC with IEEE 1588v2 | Select when needing >400 MHz compute headroom and dual-core isolation, but accept added BOM cost and layout complexity for external PHY |
| STM32F769NIK6 | Same Cortex-M7 core, 2 MB Flash, integrated LCD-TFT + MIPI DSI, no Ethernet MAC, WLCSP186 package | Optimized for compact portable displays; missing industrial networking features (Ethernet/CAN/1588) | Select for space-constrained handheld UIs where display bandwidth > networking capability; not suitable for wired industrial comms |
Compared with STM32F756IGT6, the STM32H743VIT6 trades integrated Ethernet and deterministic 1588 support for higher compute density and dual-core flexibility, while the STM32F769NIK6 sacrifices networking for enhanced display integration and smaller footprint - making the F756IGT6 uniquely balanced for networked HMI with real-time graphics and security.
Availability
STM32F756IGT6 is available at Aetrix Electronics and suitable for industrial HMI, medical imaging front-ends, and smart energy gateways requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for STM32F756IGT6 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, specializing in microcontrollers, power management, sensors, and automotive ICs with strong industrial and automotive qualifications.
The STM32F7 series targets high-end real-time embedded applications demanding both rich peripheral integration and deterministic performance - particularly where graphics, connectivity, and security converge in resource-constrained edge nodes.
FAQ
What is the maximum operating frequency and how is it achieved?
The STM32F756IGT6 achieves 216 MHz maximum CPU frequency using its internal PLL with programmable multiplication/division factors, fed by either the 4–26 MHz HSE crystal or 16 MHz internal RC oscillator. Stable operation requires proper VCAP1/VCAP2 decoupling (2.2 µF each) and adherence to voltage (1.7–3.6 V) and temperature (-40°C to +105°C) specifications per DS10915 Rev 5 Section 6.3.1.
Does it support hardware-accelerated cryptographic operations?
Yes - it includes dedicated hardware accelerators for AES-128/192/256 encryption/decryption, SHA-1/SHA-224/SHA-256 hashing, HMAC generation, triple DES, and a true random number generator (TRNG). These operate independently of the CPU, enabling secure boot, TLS offload, and encrypted firmware updates without impacting real-time task scheduling.
What display interfaces does it support and what resolutions are achievable?
The STM32F756IGT6 integrates an LCD-TFT controller supporting parallel 8080/6800 modes and XGA (1024×768) resolution. When combined with the Chrom-ART Accelerator™ (DMA2D), it performs hardware-accelerated 2D graphics composition, alpha blending, and color format conversion - enabling smooth GUIs on resistive/capacitive touch panels without frame buffer bottlenecks.
How many communication interfaces are available and which support simultaneous operation?
It provides up to 25 communication interfaces: 4× I²C, 4× USART/UART, 6× SPI (3 with I²S), 2× SAI, 2× CAN, SDMMC, SPDIFRX, HDMI-CEC, USB OTG FS/HS, and 10/100 Ethernet MAC. All operate concurrently - verified by ST's HAL drivers and reference designs - with dedicated DMA channels preventing bus contention under full load (e.g., Ethernet + USB + SD card + CAN).
STM32F756IGT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 176-LQFP
- Series:
- STM32F7
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit Single-Core
- Speed:
- 216MHz
- Connectivity:
- CANbus, Ethernet, HDMI-CEC, I2C, IrDA, LINbus, MMC/SD, SAI, SPDIFRX, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
- Number of I/O:
- 140
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 320K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.7V ~ 3.6V
- Data Converters:
- A/D 24x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F756IGT6 FAQ
1.How can I place an order for STM32F756IGT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F756IGT6 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 STM32F756IGT6 reliable?
The price and inventory of STM32F756IGT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F756IGT6 is usually 5 days.
3.What payment methods are accepted for STM32F756IGT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F756IGT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F756IGT6?
STM32F756IGT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F756IGT6 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 STM32F756IGT6?
For technical support, including STM32F756IGT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F756IGT6 requirements.
6.How does Aetrix verify that STM32F756IGT6 is sourced from the original manufacturer or authorized distributors?
All STM32F756IGT6 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 STM32F756IGT6 meets industry standards.
7.What is the process for return or replacement of STM32F756IGT6?
All STM32F756IGT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F756IGT6, 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 STM32F756IGT6 part is unused and in its original packaging.
Return procedure for STM32F756IGT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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