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STMicroelectronics STM32F437IGT6
- Part No.:
- STM32F437IGT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
STM32F437IGT6.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:800
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Product details
Overview
STM32F437IGT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating up to 180 MHz (225 DMIPS), featuring 1 MB flash, 256 KB SRAM + 4 KB backup SRAM, hardware crypto acceleration (AES-128/192/256, SHA-1/2, HMAC), and integrated Ethernet MAC + USB OTG HS/FS - deployed in industrial HMIs, networked medical devices, and secure IoT gateways.
For engineers reviewing the STM32F437IGT6 datasheet, STM32F437IGT6 pinout, STM32F437IGT6 application, or STM32F437IGT6 equivalent, key selection criteria include dual USB OTG support with dedicated DMA, IEEE 1588v2-capable 10/100 Ethernet MAC, LCD-TFT controller with 83 MHz pixel clock, and 168 I/Os with 5 V tolerance - all in LQFP176 package.
Technical Context
The device integrates an Adaptive Real-time Accelerator (ART Accelerator™) enabling zero-wait-state execution from flash at 180 MHz, alongside a Memory Protection Unit (MPU) and dual-bank flash supporting read-while-write. Its multi-AHB bus matrix enables concurrent access to flash, SRAM, and peripherals without contention.
It implements two independent USB controllers: OTG_FS with on-chip PHY and OTG_HS with ULPI interface and dedicated DMA; plus a full-featured 10/100 Ethernet MAC with hardware timestamping for IEEE 1588v2, MII/RMII physical layer support, and integrated DMA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU and DSP instructions, 180 MHz max frequency (225 DMIPS) |
| Memory | 1 MB dual-bank flash (read-while-write), 256 KB SRAM + 4 KB backup SRAM, 64 KB CCM RAM |
| Crypto Engine | Hardware AES-128/192/256, triple DES, SHA-1/SHA-2, HMAC, and true RNG |
| Connectivity | USB 2.0 OTG FS (on-chip PHY) + OTG HS (ULPI/DMA), 10/100 Ethernet MAC with IEEE 1588v2 support |
| Timers & ADC | 17 timers (including 2×32-bit), 3×12-bit ADCs (2.4 MSPS, 24-channel, 7.2 MSPS interleaved) |
| I/O & Package | 168 I/Os (164 @ 90 MHz, 166 5 V-tolerant), LQFP176 (24 × 24 mm) |
| LCD & Camera | LCD-TFT controller (up to 4096×2048, 83 MHz pixel clock), 8–14-bit DCMI interface (54 MB/s) |
Pinout & Package
LQFP176 package (24 × 24 mm, 0.5 mm pitch), RoHS-compliant and ECOPACK2 certified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power supply / ground | 1.7–3.6 V main supply; decoupled via VCAP1/VCAP2 capacitors for regulator stability |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 168 total GPIOs; 166 support 5 V tolerance; configurable as AF, interrupt, or analog inputs |
| PH0/PH1 | HSE oscillator input/output | Supports 4–26 MHz external crystal for precise system clock generation |
| PA12/PA11 | USB OTG FS D+/D− | Dedicated full-speed USB transceiver pins with internal pull-ups; no external PHY required |
| PA13/PA14/PA15 | SWD debug interface | Serial Wire Debug (SWDIO/SWCLK/NRST) for programming and real-time trace debugging |
| PC11/PC12/PD0/PD1 | Ethernet MAC RMII | Direct RMII interface (REF_CLK, CRS_DV, RXD0/1, TXD0/1, TX_EN) for compact 10/100 Ethernet design |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Enables zero-wait-state 180 MHz execution from flash, eliminating cache misses in deterministic real-time code |
| Chrom-ART Accelerator™ (DMA2D) | Hardware-accelerated 2D graphics composition (blending, format conversion) offloading CPU in GUI applications |
| Flexible Memory Controller (FMC) | Supports NOR, PSRAM, SDRAM/LPSDR, NAND, and CompactFlash - enabling external display frame buffers or large data storage |
| Dual USB OTG Controllers | Simultaneous high-speed (480 Mbps) and full-speed (12 Mbps) device/host operation with independent DMA channels |
| IEEE 1588v2 Hardware Timestamping | Sub-microsecond packet timing accuracy in Ethernet frames for industrial synchronization (e.g., PTP in PLCs) |
Applications
| Industrial HMI | Secure IoT Gateway |
|---|---|
Use Scenario: Touch-enabled factory floor panel with real-time process visualization and local control logic. IC Role / Device Role / Timing Role: Main application processor managing TFT-LCD display (via LTDC), touch controller interface, Ethernet-based PLC communication, and local crypto-secured firmware updates. Use Value: Integrated LCD-TFT controller (83 MHz pixel clock) and Chrom-ART accelerator eliminate external GPU; 10/100 Ethernet with IEEE 1588v2 enables synchronized motion control across machines. | Use Scenario: Edge gateway aggregating sensor data from Modbus/RS485 field devices and forwarding to cloud via TLS-secured Ethernet/WiFi. IC Role / Device Role / Timing Role: Secure host MCU performing AES-256 encryption, SHA-256 signature verification, and TLS stack offload using hardware crypto accelerators. Use Value: Dedicated crypto engine reduces encryption latency by >10× vs. software-only; 256 KB SRAM supports full TLS handshake + certificate chain validation in memory. |
| Networked Medical Device | High-Resolution Camera System |
Use Scenario: Portable ultrasound or patient monitor with DICOM export, remote diagnostics, and regulatory-compliant audit logging. IC Role / Device Role / Timing Role: Central controller handling JPEG compression (via DMA2D), encrypted DICOM file generation, and time-stamped Ethernet transmission with IEEE 1588v2 traceability. Use Value: Hardware JPEG acceleration and sub-second RTC calendar ensure DICOM metadata compliance; dual USB OTG allows simultaneous service port (device) and diagnostic export (host). | Use Scenario: Machine vision camera capturing 1080p@60fps video for automated optical inspection (AOI) in PCB manufacturing. IC Role / Device Role / Timing Role: Image acquisition processor interfacing with parallel CMOS sensor via DCMI (54 MB/s), buffering frames in SDRAM via FMC, and streaming over Ethernet. Use Value: 8–14-bit DCMI with embedded sync signals eliminates external FIFO; FMC supports 32-bit SDRAM for real-time frame buffering without CPU intervention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F439IGT6 | Same core/peripherals but adds LCD-TFT controller with RGB interface and Chrom-ART; identical pinout and package | Required when driving RGB-panel displays directly (e.g., automotive dashboards); not needed for parallel 8080/6800 LCDs | Select F439 only if RGB interface or enhanced LTDC features (e.g., alpha blending) are mandatory |
| STM32H743VIT6 | Cortex-M7 core (480 MHz), double-precision FPU, 2 MB flash, 1 MB RAM, dual-core option; LQFP100 package (100-pin, not pin-compatible) | Targeted at higher-performance applications requiring AI inference or real-time OS with large memory footprint | Choose H743 only when >225 DMIPS, dual-core RTOS, or >256 KB RAM are required - not a drop-in replacement |
Compared with STM32F439IGT6, this part omits RGB-LTDC but retains full Ethernet, crypto, and DCMI capability at lower cost; versus STM32H743VIT6, it offers proven maturity and pin-compatible migration path within F4 series, though with lower compute headroom.
Availability
STM32F437IGT6 is available at Aetrix Electronics and suitable for industrial HMIs, secure IoT gateways, and networked medical devices requiring stable component supply across long-lifecycle deployments.
Supply support for STM32F437IGT6 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, designing and manufacturing microcontrollers, power ICs, sensors, and analog products for industrial, automotive, and consumer markets.
The STM32F4-series targets high-performance embedded applications demanding real-time processing, rich connectivity, and hardware security - optimized for industrial automation, medical equipment, and human-machine interfaces.
FAQ
What is the maximum operating frequency and associated performance metric?
The STM32F437IGT6 operates at up to 180 MHz, delivering 225 DMIPS measured using Dhrystone 2.1 benchmark. This performance is sustained with zero wait states via the ART Accelerator™ when executing from flash memory, and includes single-precision floating-point and DSP instruction support for signal processing workloads.
Does this MCU support hardware cryptographic acceleration, and which algorithms are implemented?
Yes, it integrates dedicated hardware accelerators for AES-128/192/256 encryption/decryption, triple DES, SHA-1 and SHA-2 (SHA-224/256), HMAC, and a true random number generator (RNG). These blocks operate independently of the CPU, enabling secure boot, TLS offload, and real-time encrypted data logging without performance penalty.
What Ethernet capabilities does the STM32F437IGT6 provide, and what physical interfaces are supported?
It features a full-featured 10/100 Ethernet MAC with dedicated DMA, IEEE 1588v2 hardware timestamping, and support for both MII and RMII physical layer interfaces. RMII is implemented on PC11/PC12/PD0/PD1, enabling compact 5-pin Ethernet PHY integration; MII requires additional pins and is used in higher-pin-count packages.
How many I/O pins are available, and what are their voltage tolerance and speed characteristics?
The LQFP176 package provides 168 I/O pins: 164 support up to 90 MHz toggle rate, and 166 are 5 V-tolerant on input - critical for interfacing with legacy industrial logic or level-shifting-free designs. All GPIOs support interrupt-on-change, alternate functions, and configurable pull-up/pull-down resistors.
STM32F437IGT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 176-LQFP
- Series:
- STM32F4
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 180MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 140
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 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:
STM32F437IGT6 FAQ
1.How can I place an order for STM32F437IGT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F437IGT6 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 STM32F437IGT6 reliable?
The price and inventory of STM32F437IGT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F437IGT6 is usually 5 days.
3.What payment methods are accepted for STM32F437IGT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F437IGT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F437IGT6?
STM32F437IGT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F437IGT6 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 STM32F437IGT6?
For technical support, including STM32F437IGT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F437IGT6 requirements.
6.How does Aetrix verify that STM32F437IGT6 is sourced from the original manufacturer or authorized distributors?
All STM32F437IGT6 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 STM32F437IGT6 meets industry standards.
7.What is the process for return or replacement of STM32F437IGT6?
All STM32F437IGT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F437IGT6, 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 STM32F437IGT6 part is unused and in its original packaging.
Return procedure for STM32F437IGT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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