STM32F746IGT6G - 216MHz Cortex-M7 1MB Flash MCU | STMicroelectronics
MPN: STM32F746IGT6G ✓ نشطSTM32F746IGT6G نظرة عامة
A microcontroller is a single integrated circuit that combines a processor core, non-volatile program memory, volatile data memory and a set of dedicated peripherals on one die. In the STMicroelectronics product hierarchy, the STM32F7 series sits above the STM32F4 mainstream line and delivers Cortex-M7 class compute with hardware graphics and LCD capability, targeting industrial HMI, data acquisition and embedded control systems that need more performance and display integration than a typical Cortex-M4 device provides.
Key features of the STM32F746IGT6G include a 216 MHz maximum CPU frequency with the Art Accelerator boosting execution from external memory, a 1 Mbyte Flash and 1 Mbyte RAM option, up to 2 Mbyte of external SDRAM support through the FMC, an integrated TFT LCD controller, and a rich set of communication peripherals including Ethernet MAC with MII/RMII, USB OTG HS/FS, camera interface, and USART/UART/I2C/SPI blocks. Cryptographic acceleration and a true random number generator support secure connectivity.
Architecturally the device uses the Arm Cortex-M7 core with a superscalar pipeline, an ART Accelerator instruction prefetch path, and a 16 KB data cache plus 16 KB instruction cache, which together allow sustained code execution from external SDRAM at close to core speed. The FMC and LTDC blocks handle the high-bandwidth data path required for parallel TFT panels, while the DCMI and JPEG hardware accelerate image capture and decompression for camera-based designs.
Typical applications include industrial human-machine interface panels, building automation controllers, medical and laboratory instrumentation, machine vision modules, audio and voice-processing control boards, and connected sensor gateways that must run a graphical user interface alongside real-time control loops.
When laying out a board around this device, treat the LQFP-176 footprint as a demanding fine-pitch design: keep the 1.8-2.0 V core and 3.3 V I/O decoupling networks extremely close to the supply pins, and confirm the regulator start-up sequencing and the FMC signal integrity on the external SDRAM bus before layout is frozen.
This page consolidates distributor pricing, verified package and pinout references, same-footprint drop-in alternatives and practical layout guidance that are not consolidated in the manufacturer datasheet itself.
بدائل مباشرة لـ STM32F746IGT6G — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع STM32F746IGT6G (نفس عامل الشكل والبصمة) — يختلف في Package, Display Controller, Flash Memory, SRAM, Maximum Clock Frequency.
STM32F746IGT6
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32F756IGT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32F769IGT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32F429NIH6TR
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32F429IIH6TR
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32F746IGT6G الحدود القصوى والخصائص الكهربائية
| Manufacturer | STMicroelectronics |
| Product Type | ARM Cortex-M7 Microcontroller (MCU) |
| CPU Core | Arm Cortex-M7, 32-bit RISC |
| Maximum CPU Frequency | 216 MHz |
| Internal Flash Memory | 1 Mbyte (1M x 8) |
| Cache | L1 cache (data + instruction), Art Accelerator prefetch |
| Graphics Engine | Art Accelerator (Chrom-ART) |
| External Memory Support | SDRAM via FMC |
| Display Controller | TFT LCD controller (LTDC) |
| العلبة | 176-LQFP (24x24 mm) |
| عدد الأطراف | 176 pins |
| نوع التركيب | Surface Mount |
| حالة دورة الحياة | Active |
| Green / Halogen-Free Packaging | Green product (G suffix), RoHS-compliant |
| Reference Unit Price | USD 13.76 as of 2026-10-30 (LCSC listing for STM32F746IGT6) |
دليل تكوين أطراف STM32F746IGT6G 176-lqfp (24x24 mm)
تكوين الأطراف لـ STM32F746IGT6G (حزمة 176-lqfp (24x24 mm)). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ STM32F746IGT6G.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
STM32F746IGT6G مناسب لـ 6 التطبيقs: Industrial TFT Human-Machine Interface, Machine Vision and Camera Imaging Module, Data Acquisition and Building Automation Controller, Audio and Voice Signal Processing Control Board, Medical and Laboratory Instrumentation, Connected Sensor Gateway with Ethernet.
Industrial TFT Human-Machine Interface
The STM32F746IGT6G is a natural fit for industrial operator panels because it combines a 216 MHz Cortex-M7 with the Art Accelerator, which lets graphical content be executed directly from external SDRAM framebuffers rather than from the 1 Mbyte of internal Flash. With the LTDC driving a parallel TFT panel and the FMC bus supplying framebuffer data, one device can run the entire HMI stack alongside real-time machine control loops. The 176-lead LQFP exposes the full FMC and LCD signal set needed for 16- or 32-bit panels, removing the need for a separate display controller. Compared with a Cortex-M4-class design, the STM32F746IGT6G leaves noticeably more headroom for animation and touch-screen response.
موصى به
Machine Vision and Camera Imaging Module
The STM32F746IGT6G supports camera-based inspection systems where image capture and processing must be handled locally. Its DCMI interface accepts parallel camera data directly, while the integrated JPEG hardware accelerates compression so frames can be streamed over a bandwidth-constrained link without a discrete imaging processor. The 216 MHz Cortex-M7 with L1 cache keeps the image pipeline responsive, and the Art Accelerator accelerates the pixel manipulation that dominates vision pre-processing. The same part can also drive an external display for alignment or classification overlays, making it a compact single-chip solution for inspection equipment.
موصى به
Data Acquisition and Building Automation Controller
In building automation and industrial data-acquisition nodes, the STM32F746IGT6G consolidates sensing, control and networking in one package. Multiple USART and UART ports handle modbus and proprietary sensor buses, the Ethernet MAC with MII/RMII drives a network PHY, and the large Flash plus external SDRAM support allows long historical data buffering before upload. A local TFT or segment display can show status without a separate host, while the hardware crypto and random number generator secure the network link. Compared with a discrete PLC approach, a single STM32F746IGT6G cuts board count and simplifies firmware maintenance across a product family.
موصى به
Audio and Voice Signal Processing Control Board
The STM32F746IGT6G targets audio-centric control electronics because its Cortex-M7 core includes a double-precision floating-point FPU and DSP extensions that accelerate filter and FFT operations. The 216 MHz rate and L1 cache allow multi-channel mixing or voice recognition front-ends to run alongside control logic, and the LCD controller can drive a small display for monitoring levels. Digital audio interfaces and USB synchronisation are handled on-chip, keeping the design compact. For volume applications the single-precision DSP capability of the STM32F756IGT6 offers a lower-cost option with the same pinout.
موصى به
Medical and Laboratory Instrumentation
Laboratory and diagnostic instruments benefit from the STM32F746IGT6G because a single device can run the user interface, signal conditioning supervisory logic and communications stack without a companion processor. The Cortex-M7 delivers deterministic real-time performance for sampling control loops, and the extensive internal Flash allows complex algorithms and calibration tables to be stored on-chip. External SDRAM support through the FMC accommodates large waveform and log buffers, while the TFT controller enables on-instrument graphical displays that reduce reliance on a host PC. The 176-LQFP footprint is a standard, well-supported package for medical-adjacent equipment builds.
موصى به
Connected Sensor Gateway with Ethernet
The STM32F746IGT6G works well as a sensor gateway where local aggregation plus upstream networking must coexist with tight cost and power budgets. The integrated Ethernet MAC with MII and RMII interfaces connects to a PHY such as the LAN8742A-CZ for industrial or PoE-linked networks, while the Cortex-M7 handles protocol translation and local filtering. With the Art Accelerator available, gateway firmware can also serve a small web-style status display or perform edge inference pre-processing. Because the internal Flash and optional external SDRAM scale independently, the same silicon supports both low-cost sensor nodes and full-featured edge gateways.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM32F746IGT6G — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | STM32F746IGT6 | STM32F756IGT6 | STM32F769IGT6 | STM32F429NIH6TR |
|---|---|---|---|---|---|
| Package | 176-LQFP (24x24 mm) | 176-LQFP (24x24 mm) - same | 176-LQFP (24x24 mm) - same | 176-LQFP (24x24 mm) - same | 176-LQFP (24x24 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Core | Arm Cortex-M7 | Arm Cortex-M7 | Arm Cortex-M7 | Arm Cortex-M7 | Arm Cortex-M4 |
| Maximum Frequency | 216 MHz | 216 MHz | 216 MHz | 216 MHz | 180 MHz |
| Internal Flash | 1 Mbyte (1M x 8) | 1 Mbyte | 1 Mbyte | 2 Mbyte | 2 Mbyte |
| Graphics / Display Support | Art Accelerator (Chrom-ART) with TFT LCD controller | Art Accelerator with TFT LCD controller | Art Accelerator without camera/display feature set | Art Accelerator with enhanced JPEG accelerator | No integrated Art Accelerator or TFT controller |
| External SDRAM via FMC | Supported (SDRAM listed in Mouser feature set) | Supported | Supported | Supported | Supported (FMC) |
| Green / Halogen-Free Ordering | Yes (G suffix) | Base ordering code | Base ordering code | Base ordering code | Tape and reel orderable |
أبرز الفروقات
- Integrated TFT LCD controller plus Art Accelerator on a Cortex-M7 (مقابلSTM32F429NIH6TR)
- 216 MHz Cortex-M7 with L1 cache versus 180 MHz Cortex-M4 (مقابلSTM32F429NIH6TR)
- Identical 176-LQFP land pattern across the whole STM32F746/769 line (مقابلSTM32F746ZGT6)
- Green, halogen-free ordering suffix on the G variant (مقابلSTM32F746IGT6)
ملاحظات التصميم
The 176-LQFP uses a 0.5 mm lead pitch, so fanout must be handled with a via-in-pad or via-fanout array placed directly under the device; do not attempt to route 176 nets on the top layer alone. Place the 1.8-2.0 V core decoupling capacitors and the 3.3 V I/O capacitors immediately adjacent to their respective supply pins, with a solid ground plane on the layer directly beneath the device. ST's STM32F7 hardware design guidance recommends a star-point ground architecture for the VDDCORE/VDD supply domains to avoid shared-impedance coupling between the switching core and the I/O rails.
When driving external SDRAM through the FMC bus, treat the interface as a matched, lightly damped transmission line. Series-terminate the data lines with 33 ohm resistors close to the STM32F746IGT6G pins, keep the FMC clock, DQS and data traces to a length-matched group with minimal layer changes, and provide a continuous ground reference plane beneath the routing. Because the Art Accelerator prefetches instruction and data from external memory, marginal signal integrity shows up as random hard faults rather than a clean error; validate timing with an external logic-analyser capture before release.
Estimated core current draw for a 216 MHz Cortex-M7 with active ART accelerator is roughly 200-300 mA at 1.8-2.0 V, so a regulator with at least 600 mA of margin is advisable when the FMC, LTDC and camera blocks are active; the total input power is dominated by the core rail, not the 3.3 V I/O domain. Estimated: 2.0 V x 0.25 A = 0.5 W core dissipation, which in a 176-LQFP with roughly 30-40 C/W junction-to-ambient needs about 15-20 W... corrected: about 15-20 C of junction rise, which is comfortable on a 4-layer board with a modest copper pour. Always confirm the real figure against the ST thermal datasheet for your actual ambient and I/O loading.
Two mistakes account for most bring-up failures on STM32F746 designs: powering the 176-LQFP from a single unregulated 3.3 V rail without separate VDDCORE regulation, and assuming the FMC and LTDC pins of the 176-pin package match the 144-pin STM32F746ZGT6. Verify supply sequencing against the STM32F746 reference manual, confirm BOOT0 pull-down for normal flash boot, and check the option-byte configuration for independent watchdog and Brown-out detection levels before debugging application code.
معلومات الامتثال
The G suffix on STM32F746IGT6G denotes the STMicroelectronics green product (halogen-free, RoHS-compliant) version. AEC-Q100 automotive qualification was not confirmed in the retrieved data for this orderable code; the industrial STM32F7 line is not an automotive-qualified family. REACH and conflict-minerals declarations were not present in the verified data and are therefore marked unknown.
