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STMicroelectronics STM32F769BIT6
- Part No.:
- STM32F769BIT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 208-LQFP
- Datasheet:
-
STM32F769BIT6.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 208LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:338
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Product details
Overview
STM32F769BIT6 from STMicroelectronics is an Arm® Cortex®-M7 32-bit microcontroller with FPU, delivering 462 DMIPS at 216 MHz, featuring 2 MB flash (dual-bank), 512 KB SRAM (including 128 KB data TCM), MIPI DSI host controller supporting 720p@30 Hz, and integrated Chrom-ART Accelerator for GUI acceleration - deployed in industrial HMI panels with embedded LCD/DSI displays.
For engineers reviewing the STM32F769BIT6 datasheet, STM32F769BIT6 pinout, STM32F769BIT6 application, or STM32F769BIT6 equivalent, key selection criteria include DSI interface capability, dual-bank flash for robust firmware updates, TCM RAM allocation for real-time control loops, and hardware JPEG codec support for embedded image processing.
Technical Context
The STM32F769BIT6 implements a tightly coupled memory architecture with separate 16 KB I/D L1 caches and ART Accelerator enabling zero-wait-state execution from flash or external memories. Its dual-mode Quad-SPI interface supports XIP and memory-mapped execution from external serial flash.
It integrates a dedicated MIPI D-PHY physical layer with programmable PLL for DSI clock generation (up to 500 Mbps/lane), alongside a full-featured LCD-TFT controller (LTDC) supporting up to XGA resolution - both operating independently of the CPU core via DMA2D and peripheral DMA channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7 with FPU, 216 MHz max frequency, 462 DMIPS performance - enables real-time deterministic execution of complex control + graphics tasks. |
| Flash Memory | 2 MB dual-bank flash with read-while-write - allows seamless firmware updates without halting application execution. |
| SRAM | 512 KB total: 128 KB data TCM (low-latency real-time data), 16 KB instruction TCM (critical ISR routines), 4 KB backup SRAM - ensures deterministic timing for time-critical code and data. |
| DSI Interface | MIPI DSI host controller supporting up to 4 lanes, 720p@30 Hz video - directly drives high-resolution embedded display modules without external bridge ICs. |
| Graphics Acceleration | Chrom-ART Accelerator (DMA2D) + hardware JPEG codec - offloads 2D composition and image decode from CPU, reducing frame rendering latency. |
| Communication Peripherals | 3× CAN 2.0B, 4× USART (12.5 Mbps), 6× SPI (54 Mbps), 2× SAI, USB OTG HS/FS, 10/100 Ethernet MAC - supports multi-protocol industrial connectivity and audio/video streaming. |
| Analog Subsystem | 3× 12-bit ADC (2.4 MSPS, 24 channels), 2× 12-bit DAC, DFSDM (8 channels/4 filters) - enables high-fidelity sensor acquisition and precision analog output control. |
Pinout & Package
LQFP100 (14 × 14 mm, 0.5 mm pitch) package with exposed thermal pad (ECOPACK2 compliant). Pin count: 100 leads; 166 I/Os rated 5 V-tolerant, 164 fast I/Os up to 108 MHz.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Core power supply / ground | 1.7–3.6 V operation; requires external 2.2 µF VCAP1/VCAP2 decoupling capacitors per datasheet Section 6.3.2. |
| PH13/PH14/PH15/PI0 | DSI lane 0–3 + clock | Dedicated MIPI D-PHY pins supporting high-speed differential signaling (up to 500 Mbps/lane); require controlled impedance routing (100 Ω differential). |
| PE2–PE7 | LTDC data bus (D0–D23) | 24-bit RGB parallel interface for XGA (1024×768) TFT-LCD; supports DE/HS/VS synchronization signals on alternate functions. |
| PA0–PA15 | General-purpose I/O with EXTI | 5 V-tolerant; configurable as event inputs for low-power wake-up or GPIO interrupts with programmable trigger polarity. |
| PC10/PC11/PC12 | SDMMC clock/data/cmd | Supports SDIO 4-bit mode up to 48 MHz; includes internal pull-ups and drive strength control for reliable card detection and transfer. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator + L1 cache | Enables zero-wait-state execution from flash memory at 216 MHz - eliminates CPU stalls during instruction fetch, critical for deterministic real-time response. |
| Dual-bank flash memory | Allows simultaneous read from one bank while programming the other - essential for fail-safe over-the-air (OTA) firmware updates in field-deployed equipment. |
| Chrom-ART Accelerator (DMA2D) | Hardware-accelerated 2D graphics operations (copy, blend, format conversion) - reduces CPU load by >70% during GUI frame composition vs. software-only rendering. |
| Hardware JPEG codec | Full JPEG encode/decode pipeline supporting baseline profiles up to 1920×1080 - enables real-time thumbnail generation and image display without external codecs. |
| MIPI DSI host controller | Integrated D-PHY with programmable PLL and lane calibration - eliminates need for external DSI bridge ICs, simplifying BOM and PCB layout for high-resolution touch displays. |
Applications
| Industrial HMI Panel | Medical Imaging Terminal |
|---|---|
Use Scenario: Touch-enabled operator interface for PLC-controlled machinery with real-time status visualization and alarm logging. IC Role / Device Role / Timing Role: Primary application processor managing DSI-driven 7-inch WVGA display, running FreeRTOS with GUI framework, and handling CAN bus diagnostics. Use Value: Dual-bank flash enables safe field firmware upgrades; Chrom-ART accelerates dynamic widget redraws at 60 fps; TCM RAM guarantees sub-10 µs response to safety-critical I/O events. | Use Scenario: Portable ultrasound device requiring local image capture, JPEG compression, and display on integrated DSI-connected OLED panel. IC Role / Device Role / Timing Role: System-on-chip handling DCMI sensor input, hardware JPEG encoding, DMA2D-based UI overlay, and DSI video output - all synchronized via shared AXI bus. Use Value: Hardware JPEG codec processes 1280×720 frames in <15 ms; DSI PHY achieves stable 720p@30 Hz with <1 line jitter; backup SRAM retains patient metadata during power loss. |
| Smart Building Gateway | Automotive Diagnostic Tool |
Use Scenario: Edge gateway aggregating Modbus, BACnet MS/TP, and KNX data, presenting unified web UI via embedded LCD. IC Role / Device Role / Timing Role: Network-centric MCU with Ethernet MAC, multiple UARTs for legacy protocol bridging, and LTDC driving 4.3-inch resistive touchscreen. Use Value: IEEE 1588v2 hardware timestamping enables precise sensor network synchronization; flexible external memory controller supports NOR flash for secure boot and PSRAM for UI buffer storage. | Use Scenario: Handheld OBD-II scanner with color display, Bluetooth LE, and CAN FD diagnostics for modern vehicles. IC Role / Device Role / Timing Role: Dual-CAN interface (CAN 2.0B + CAN FD via external transceiver) paired with DSI-driven 5-inch display and USB OTG for PC connectivity. Use Value: 3× CAN controllers allow concurrent UDS diagnostics, J1939 monitoring, and vehicle network simulation; USB OTG HS supports rapid firmware updates and log export. |
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, but no native DSI host - requires external bridge for display interface. | Targeted at compute-intensive control + AI inference; lacks integrated DSI, limiting direct display integration. | Select when raw processing throughput outweighs display integration needs; add DSI bridge if display required. |
| STM32F767ZGT6 | Same Cortex-M7 core, identical peripherals including DSI and LTDC, but in LQFP144 (20×20 mm) with 144 pins - offers more GPIOs and additional communication interfaces. | Used where expanded I/O count and extra SPI/USART channels are needed, e.g., multi-sensor industrial gateways. | Select for designs needing >100 GPIOs or additional peripheral instances; footprint and software are pin-compatible within same family. |
Compared with STM32F767ZGT6, the STM32F769BIT6 provides identical DSI/LTDC functionality in a smaller LQFP100 package - ideal for space-constrained HMIs - while the STM32H743VIT6 trades display integration for higher compute density and dual-core flexibility.
Availability
STM32F769BIT6 is available at Aetrix Electronics and suitable for industrial HMI panels, medical imaging terminals, smart building gateways, and automotive diagnostic tools requiring stable component supply across extended product lifecycles.
Supply support for STM32F769BIT6 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 STM32F7 series targets high-end embedded applications demanding real-time performance, rich graphics, and multi-protocol connectivity - specifically engineered for human-machine interfaces, industrial automation, and medical edge devices.
FAQ
What is the maximum DSI clock frequency supported by the STM32F769BIT6?
The STM32F769BIT6 DSI host controller supports a maximum byte clock of 500 Mbps per lane, corresponding to a 125 MHz D-PHY clock with 4-lane configuration. This enables 720p@30 Hz video output with RGB888 pixel format. The DSI PLL must be configured to generate the required clock, and PCB layout must meet MIPI D-PHY impedance and skew requirements per ST Application Note AN4861.
Does the STM32F769BIT6 support hardware encryption for secure boot?
No, the STM32F769BIT6 does not integrate a cryptographic processor (CRYP), hash processor (HASH), or true random number generator (RNG) with certification for secure boot key derivation. While it includes a basic RNG peripheral, it lacks AES acceleration or tamper-detection features found in STM32L4+ or STM32H7 series. Secure boot implementation requires external secure element or software-based solutions with careful key management.
Can the STM32F769BIT6 run FreeRTOS with full DSI + LTDC + Ethernet stack concurrently?
Yes - the 216 MHz Cortex-M7 core, 512 KB SRAM (with 128 KB data TCM), and dedicated DMA channels enable concurrent operation of FreeRTOS, DSI video streaming, LTDC display refresh, and TCP/IP stack on Ethernet MAC. ST's STM32CubeF7 middleware includes validated examples (e.g., "LCD_DSI_RTOS") demonstrating this configuration with <5% CPU load under typical HMI workloads.
What is the recommended decoupling for VCAP1/VCAP2 pins?
Per DS11532 Rev 9 Section 6.3.2, two 2.2 µF ceramic capacitors (X7R, 0805 or larger) must be placed as close as possible to VCAP1 and VCAP2 pins, with short low-inductance traces to VSS. These stabilize the internal voltage regulator; omission or undersizing causes boot failure or erratic reset behavior. ST reference design BOMs specify Murata GRM21BR71E225KA01L or equivalent.
STM32F769BIT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 208-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, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SAI, SPDIF, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 159
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512K 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:
STM32F769BIT6 FAQ
1.How can I place an order for STM32F769BIT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F769BIT6 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 STM32F769BIT6 reliable?
The price and inventory of STM32F769BIT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F769BIT6 is usually 5 days.
3.What payment methods are accepted for STM32F769BIT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F769BIT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F769BIT6?
STM32F769BIT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F769BIT6 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 STM32F769BIT6?
For technical support, including STM32F769BIT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F769BIT6 requirements.
6.How does Aetrix verify that STM32F769BIT6 is sourced from the original manufacturer or authorized distributors?
All STM32F769BIT6 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 STM32F769BIT6 meets industry standards.
7.What is the process for return or replacement of STM32F769BIT6?
All STM32F769BIT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F769BIT6, 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 STM32F769BIT6 part is unused and in its original packaging.
Return procedure for STM32F769BIT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32F769BIT6 Tags
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