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STMicroelectronics STM32F437VIT7

Name: STM32F437VIT7
Brand: STMicroelectronics
SKU: STM32F437VIT7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F437VIT7

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 100-LQFP

Datasheet:: STM32F437VIT7.pdf

Description:: IC MCU 32BIT 2MB FLASH 100LQFP

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Product details

Overview

STM32F437VIT7 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 MCU 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 10/100 Ethernet MAC with IEEE 1588v2 support. It targets industrial HMI, networked medical devices, and real-time gateway controllers requiring deterministic timing, secure firmware updates, and dual CAN + USB OTG HS/FS connectivity.

For engineers reviewing the STM32F437VIT7 datasheet, STM32F437VIT7 pinout, STM32F437VIT7 application, or STM32F437VIT7 equivalent, key selection criteria include its LQFP100 package with 82 GPIOs, triple 12-bit ADC (7.2 MSPS interleaved), LCD-TFT controller (not present on F437), Chrom-ART Accelerator™ for GUI rendering, and dedicated DMA for Ethernet, USB OTG HS, and camera interface - all critical for resource-constrained embedded systems demanding concurrent high-bandwidth peripherals.

Technical Context

The STM32F437VIT7 implements an Arm Cortex-M4 core with FPU and MPU, paired with ST's ART Accelerator™ enabling zero-wait-state execution from flash at 180 MHz. Its memory subsystem includes dual-bank flash (1 MB), 256 KB SRAM (64 KB CCM), and 4 KB backup SRAM powered by VBAT.

Peripheral integration centers on deterministic real-time I/O: 17 timers (including two 32-bit general-purpose), three 12-bit ADCs with 24-channel support and triple interleaved mode, two 12-bit DACs, and advanced connectivity via 10/100 Ethernet MAC (MII/RMII), USB 2.0 OTG HS/FS with dedicated DMA, dual CAN 2.0B, SDIO, and 8–14-bit parallel camera interface (54 MB/s).

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M4 with FPU and MPU, 180 MHz max frequency (225 DMIPS @ Dhrystone 2.1)
Flash Memory	1 MB dual-bank flash enabling read-while-write for seamless firmware updates
SRAM	256 KB main SRAM + 4 KB battery-backed SRAM + 64 KB CCM for time-critical data
Crypto Engine	Hardware AES-128/192/256, triple DES, SHA-1/SHA-2, HMAC, and true RNG for secure boot & OTA
Ethernet Interface	10/100 MAC with IEEE 1588v2 hardware timestamping and dedicated DMA for low-latency packet handling
ADC Performance	Three 12-bit ADCs supporting up to 24 channels; 7.2 MSPS in triple interleaved mode for synchronized multi-sensor acquisition
USB Support	Dual USB controllers: full-speed OTG_FS with on-chip PHY and high-speed OTG_HS with ULPI/PHY + dedicated DMA
Package	LQFP100 (14 × 14 mm), 82 user I/Os, 166 5 V-tolerant pins, 1.7–3.6 V supply range

Pinout & Package

LQFP100 package (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad; 100 pins including 82 general-purpose I/Os, 16 power/ground, and dedicated function pins for Ethernet, USB OTG HS/FS, CAN, SDIO, camera, and LCD interfaces.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Core & I/O power supply / ground	1.7–3.6 V operation; separate analog/digital domains with dedicated VCAP capacitors for regulator stability
PA0–PA15, PB0–PB15, etc.	General-purpose I/O banks	82 total GPIOs; most 5 V-tolerant; support multiple alternate functions including Ethernet MII/RMII, USB, CAN, SPI/I2C/USART
PH0/PH1	HSE oscillator input/output	4–26 MHz external crystal connection for precise system clock generation
PC10–PC15, PD0–PD7	Ethernet MAC interface	MII/RMII signals (TXD0–3, RXD0–3, TX_EN, CRS_DV, REF_CLK) enabling direct PHY connection
PA11/PA12, PB14/PB15	USB OTG FS/HS physical layer	PA11/PA12 = FS DP/DM; PB14/PB15 = HS ULPI D0–D7 for high-speed peripheral mode
PD3–PD10	Camera interface (DCMI)	8-bit parallel data bus (D0–D7) plus VSYNC, HSYNC, PIXCLK for 54 MB/s image capture
PE2–PE5, PF12–PF15, PG0–PG15	FMC address/data bus	Supports NOR/PSRAM/SDRAM/NAND with 32-bit data bus width and configurable timing

Key Features

Feature	Design Value
ART Accelerator™	Enables zero-wait-state execution from flash at 180 MHz, eliminating cache misses in deterministic real-time code
Chrom-ART Accelerator™ (DMA2D)	Hardware-accelerated 2D graphics composition (copy, blend, format conversion) offloading CPU for smooth GUI rendering
Dual USB OTG controllers	Simultaneous full-speed device/host and high-speed host/device operation with independent DMA channels
Triple ADC interleaving	7.2 MSPS aggregate sampling rate across three 12-bit ADCs with synchronized triggers for phase-current sensing
IEEE 1588v2 hardware support	Dedicated timestamp registers and PTP event frame handling in Ethernet MAC for sub-microsecond time synchronization
Flexible memory controller (FMC)	Configurable interface for external SDRAM, PSRAM, NAND/NOR flash, enabling expansion beyond internal memory limits

Applications

Industrial HMI Gateway

Networked Medical Monitor

Use Scenario: Standalone panel PC controlling PLCs, sensors, and actuators over EtherCAT or Modbus TCP while rendering vector-based UI on TFT-LCD.

IC Role / Device Role / Timing Role: Main application processor executing RTOS, managing Ethernet/IP stack, driving LCD-TFT via parallel interface, and performing real-time control loops.

Use Value: Integrated Ethernet MAC with IEEE 1588v2 enables precise time-synchronized I/O; Chrom-ART Accelerator™ renders UI at 60 FPS without CPU load.

Use Scenario: Portable patient monitor aggregating ECG, SpO₂, and NIBP data, transmitting encrypted logs to cloud via TLS-over-Ethernet and local USB storage.

IC Role / Device Role / Timing Role: Secure data acquisition hub with hardware crypto, triple ADC for simultaneous analog channel sampling, and dual USB for diagnostic upload + mass storage.

Use Value: AES/HMAC acceleration ensures HIPAA-compliant encryption; 7.2 MSPS ADC interleaving captures multi-lead ECG waveforms with phase coherence.

Smart Building Controller

Automated Test Equipment (ATE)

Use Scenario: DIN-rail mounted HVAC/BMS controller interfacing with BACnet MS/TP, Modbus RTU, and KNX via isolated UART/CAN, while logging data to SD card.

IC Role / Device Role / Timing Role: Protocol translation engine with dual CAN 2.0B, six UARTs, SDIO, and real-time scheduling of sensor polling and actuator commands.

Use Value: 168 I/Os (166 5 V-tolerant) simplify level-shifting for legacy field buses; flexible FMC supports external NOR for fail-safe bootloader storage.

Use Scenario: Rack-mounted ATE module generating precision test patterns, capturing response waveforms, and validating signal integrity across DUTs using high-speed digital I/O.

IC Role / Device Role / Timing Role: High-speed pattern generator and digitizer using parallel camera interface for logic analyzer-style capture and GPIO-timed stimulus output.

Use Value: DCMI interface repurposed as 8-bit parallel digital input (54 MB/s) captures wide-bus DUT responses; 17 timers provide nanosecond-resolution stimulus edge control.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance MCU applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F439VIT6	Same core/peripherals but adds LCD-TFT controller and Chrom-ART Accelerator™; 2 MB flash option; identical LQFP100 package	Required for embedded display systems needing native RGB/TFT driving (e.g., medical displays, industrial panels)	Select when LCD-TFT controller is mandatory; otherwise F437VIT7 offers cost advantage without display overhead
STM32H743VIT6	Cortex-M7 core (480 MHz), dual-core option, larger memories (2 MB flash/1 MB RAM), enhanced crypto (PKA, HASH), but no DCMI or FMC in LQFP100 variant	Suitable for AI-edge inference or high-throughput protocol stacks where raw compute > peripheral count	Choose for higher performance headroom and future-proofing; avoid if DCMI, FMC, or dual USB OTG are essential

Compared with STM32F439VIT6, the STM32F437VIT7 omits LCD-TFT controller to reduce cost and power in non-display applications; versus STM32H743VIT6, it retains superior peripheral density (DCMI, FMC, dual CAN) at lower clock speed and power envelope - ideal for balanced real-time I/O workloads.

Availability

STM32F437VIT7 is available at Aetrix Electronics and suitable for industrial HMI gateways, networked medical monitors, and smart building controllers requiring stable component supply, long-term lifecycle assurance, and qualified traceable sourcing.

Supply support for STM32F437VIT7 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 automotive chips with focus on energy efficiency and industrial reliability.

The STM32F437 belongs to the STM32F4x7 Connectivity Line, engineered specifically for embedded applications demanding rich peripheral sets, deterministic real-time performance, and robust networking - especially Ethernet, USB OTG, and CAN in industrial automation and medical equipment.

FAQ

What is the maximum operating frequency and how is it achieved?

The STM32F437VIT7 achieves 180 MHz maximum CPU frequency using its Arm Cortex-M4 core with FPU and ST's ART Accelerator™, which eliminates flash wait states through prefetch and branch prediction. This requires proper configuration of the voltage regulator and VCAP capacitor placement per Section 6.3.2 of DS9484 Rev 14, and is validated across the full temperature range (–40°C to +85°C) under 1.7–3.6 V supply.

Does this MCU support hardware cryptographic operations?

Yes - the STM32F437VIT7 integrates dedicated hardware accelerators for AES-128/192/256, triple DES, SHA-1/SHA-224/SHA-256, HMAC, and a true random number generator (RNG). These operate independently of the CPU, enabling secure boot, encrypted firmware updates, and TLS handshake acceleration without impacting real-time task scheduling.

Can the Ethernet MAC interface operate in RMII mode with external PHY?

Yes - the integrated 10/100 Ethernet MAC supports both MII and RMII modes. In RMII configuration, pins PD3–PD7 and PA1–PA2 connect directly to standard RMII PHYs (e.g., LAN8720A), requiring only a 50 MHz reference clock. The MAC includes IEEE 1588v2 hardware timestamping and dedicated DMA, enabling sub-microsecond time synchronization for industrial Ethernet protocols.

What are the key differences between STM32F437VIT7 and STM32F439VIT6?

The STM32F439VIT6 adds an LCD-TFT controller and Chrom-ART Accelerator™, supports up to 2 MB flash, and includes additional graphics-related peripherals. Otherwise, both share identical core, memory map, Ethernet, USB OTG HS/FS, CAN, ADC/DAC, and package. The F437VIT7 is optimized for non-display applications where those features add unnecessary cost and power consumption.

STM32F437VIT7 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 100-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:: 82

Program Memory Size:: 2MB (2M 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 16x12b; D/A 2x12b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 105°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

STM32F437VIT7 FAQ

1.How can I place an order for STM32F437VIT7 through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F437VIT7 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 STM32F437VIT7 reliable?

The price and inventory of STM32F437VIT7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F437VIT7 is usually 5 days.

3.What payment methods are accepted for STM32F437VIT7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F437VIT7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F437VIT7?

STM32F437VIT7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F437VIT7 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 STM32F437VIT7?

For technical support, including STM32F437VIT7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F437VIT7 requirements.

6.How does Aetrix verify that STM32F437VIT7 is sourced from the original manufacturer or authorized distributors?

All STM32F437VIT7 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 STM32F437VIT7 meets industry standards.

7.What is the process for return or replacement of STM32F437VIT7?

All STM32F437VIT7 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F437VIT7, 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 STM32F437VIT7 part is unused and in its original packaging.

Return procedure for STM32F437VIT7:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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