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STMicroelectronics STM32F405VGT7

Name: STM32F405VGT7
Brand: STMicroelectronics
SKU: STM32F405VGT7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F405VGT7

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 100-LQFP

Datasheet:: STM32F405VGT7.pdf

Description:: IC MCU 32BIT 1MB FLASH 100LQFP

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Product details

Overview

STM32F405VGT7 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating up to 168 MHz (210 DMIPS), featuring 1 MB flash, 192+4 KB SRAM (including 64 KB CCM), dual CAN 2.0B interfaces, USB OTG HS/FS with dedicated DMA, and 10/100 Ethernet MAC with IEEE 1588v2 hardware support - deployed in industrial gateways requiring real-time protocol bridging and fieldbus-to-Ethernet convergence.

For engineers reviewing the STM32F405VGT7 datasheet, STM32F405VGT7 pinout, STM32F405VGT7 application, or STM32F405VGT7 equivalent, key selection criteria include dual-CAN timing synchronization, Ethernet MAC DMA bandwidth allocation, DCMI camera interface throughput (54 MB/s), ART Accelerator-enabled zero-wait-state flash execution, and VBAT-backed RTC with subsecond accuracy.

Technical Context

The STM32F405VGT7 integrates an Adaptive Real-Time (ART) Accelerator enabling deterministic 0-wait-state execution from flash at 168 MHz, paired with a memory protection unit (MPU) for secure task isolation in RTOS environments. Its multi-AHB bus matrix concurrently services CPU, DMA, and peripheral accesses without arbitration stalls.

It implements dual independent CAN 2.0B controllers with programmable bit timing and hardware message filtering, and a full-duplex 10/100 Ethernet MAC with dedicated DMA, MII/RMII PHY interface, and IEEE 1588v2 timestamping logic - enabling precise time-synchronized packet handling in industrial automation networks.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M4 with FPU and DSP instructions; enables floating-point math acceleration for motor control and sensor fusion algorithms.
Max Clock Frequency	168 MHz; delivers 210 DMIPS performance (1.25 DMIPS/MHz), sufficient for real-time motion control loops at ≤10 kHz update rates.
Flash Memory	1 MB embedded flash with ART Accelerator; supports zero-wait-state execution and 20-year data retention per ST specification.
SRAM	192 KB main SRAM + 4 KB backup SRAM + 64 KB CCM RAM; CCM provides low-latency, non-cacheable memory for critical ISR code and stack.
Digital Peripherals	2× CAN 2.0B, 3× ADCs (12-bit, 2.4 MSPS each), 2× DACs, 17 timers (including 2× 32-bit), SDIO, DCMI (54 MB/s), and true RNG.
Connectivity	USB 2.0 OTG HS/FS with on-chip PHY and ULPI support; 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping and MII/RMII interface.
Package	LQFP100 (14 × 14 mm, 0.5 mm pitch); RoHS-compliant ECOPACK2 package with 84 fast I/Os (≤84 MHz) and 138 5 V-tolerant pins.

Pinout & Package

LQFP100 package with 100 leads, 0.5 mm pitch, 14 × 14 mm body size, and exposed thermal pad (not electrically connected). Pinout validated per STMicroelectronics DS8626 Rev 12, Section 4 "Pinouts and pin description".

Pin/Terminal	Circuit Role	Design Meaning
VDD, VDDA, VSS, VSSA	Power supply and ground rails	VDD/VSS: digital core supply (1.8–3.6 V); VDDA/VSSA: analog domain supply with separate noise isolation for ADC/DAC operation.
PA0–PA15, PB0–PB15, etc.	General-purpose I/O ports	140 total I/Os; 136 support up to 84 MHz toggle rate; 138 are 5 V-tolerant, enabling direct interfacing with legacy 5 V peripherals.
PA11/PA12, PB14/PB15	USB OTG FS/HS physical layer	PA11/PA12: full-speed USB D+/D− with internal transceiver; PB14/PB15: high-speed ULPI interface pins for external PHY connection.
PH13–PH15, PI0–PI10	Ethernet MAC interface	MII mode: PH13–PH15 (TX_EN, TXD0–TXD3), PI0–PI10 (RX_CLK, RXD0–RXD3, CRS, COL); RMII supported via alternate function remapping.
PD0–PD1, PD8–PD15	DCMI parallel camera interface	8–14-bit data bus (DCMI_D0–DCMI_D13), pixel clock (DCMI_PCLK), horizontal/vertical sync (DCMI_HSYNC/DCMI_VSYNC); supports 54 MB/s throughput for 720p30 capture.

Key Features

Feature	Design Value
ART Accelerator	Eliminates flash wait states at 168 MHz, enabling deterministic interrupt latency ≤12 cycles for hard real-time control tasks.
CCM RAM	64 KB tightly coupled memory accessible only by CPU (not DMA), ideal for storing critical ISR stacks and real-time control variables.
Dual CAN Controllers	Independent bxCAN modules with 144 message mailboxes, hardware FIFOs, and time-triggered communication support for synchronized fieldbus nodes.
IEEE 1588v2 Hardware Timestamping	Integrated PTP timestamp engine in Ethernet MAC; captures precise packet ingress/egress times with sub-100 ns resolution for time-sensitive networking.
Flexible Static Memory Controller (FSMC)	Supports NOR, PSRAM, NAND, and CompactFlash™ with programmable timing; enables direct attachment of external displays, FPGA co-processors, or legacy memory-mapped peripherals.

Applications

Industrial Gateway

Motor Drive Controller

Use Scenario: Protocol translation between Modbus RTU (RS-485) and EtherNet/IP over 10/100 Ethernet.

IC Role / Device Role / Timing Role: Central MCU executing dual-stack firmware, managing CANopen slave emulation, and performing real-time packet timestamping via IEEE 1588v2 MAC hardware.

Use Value: Eliminates external timestamping ASIC; reduces BOM cost by integrating dual CAN, Ethernet, and deterministic flash execution in one die.

Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM motors with encoder feedback and current sensing.

IC Role / Device Role / Timing Role: Real-time executor of FOC algorithm (PWM generation, Clarke/Park transforms, PID loops) using CCM RAM and FPU-accelerated math.

Use Value: 168 MHz core + ART Accelerator ensures ≤1 µs jitter on 20 kHz PWM outputs; dual 12-bit ADCs sample all three phase currents simultaneously.

Smart Camera Node

Medical Data Logger

Use Scenario: Edge-based image preprocessing (edge detection, histogram equalization) before JPEG compression and wireless upload.

IC Role / Device Role / Timing Role: DCMI interface captures 720p30 video; ARM Cortex-M4 FPU accelerates OpenCV-lite kernels; USB OTG HS streams processed frames to host PC.

Use Value: 54 MB/s DCMI bandwidth sustains 1280×720@30 fps raw Bayer input; integrated USB HS PHY avoids external transceiver.

Use Scenario: Battery-powered patient monitor logging ECG, SpO₂, and temperature with long-term timestamped storage.

IC Role / Device Role / Timing Role: RTC with VBAT backup maintains calendar accuracy; 4 KB backup SRAM retains last 1000 waveform samples during power loss; true RNG seeds encryption keys for HIPAA-compliant data export.

Use Value: Subsecond RTC accuracy meets IEC 62304 Class C timing requirements; 5 V-tolerant I/Os simplify interface to legacy analog front-end ICs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance Cortex-M4 microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F407VGT6	Same core, memory, and peripherals but lacks USB OTG HS ULPI interface (PB14/PB15 not assigned); identical LQFP100 package.	Cannot support external high-speed USB PHY; limited to full-speed-only device/host operation.	Select when Ethernet + dual CAN + USB FS suffices and HS PHY integration is unnecessary.
STM32H743VIT6	Arm Cortex-M7 @ 480 MHz, 2 MB flash, 1 MB RAM, dual-core capability, but no native DCMI; requires external bridge for camera interface.	Higher compute throughput but increased power and PCB complexity; no pin-compatible migration path.	Select for AI-edge inference workloads where FPU/DSP performance outweighs camera interface convenience.

Compared with STM32F407VGT6, the STM32F405VGT7 adds ULPI-capable USB OTG HS for high-bandwidth peripheral attachment; versus STM32H743VIT6, it trades peak CPU performance for integrated DCMI and lower static power - making it optimal for camera-augmented industrial edge nodes with strict BOM and layout constraints.

Availability

STM32F405VGT7 is available at Aetrix Electronics and suitable for industrial gateways, motor drive controllers, smart camera nodes, and medical data loggers requiring stable component supply across extended product lifecycles.

Supply support for STM32F405VGT7 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 automotive-grade components since 1987.

The STM32F4 series targets high-performance real-time embedded applications demanding DSP capability, rich connectivity, and deterministic execution - specifically engineered for industrial automation, motor control, and advanced human-machine interfaces.

FAQ

What is the maximum operating frequency and associated power consumption in Run mode?

The STM32F405VGT7 operates up to 168 MHz with ART Accelerator enabled. At 168 MHz, VDD = 3.3 V, and flash execution active, typical current consumption is 124 mA (DS8626 Rev 12, Table 20). This includes core, memory, and all clocked peripherals; disabling unused peripherals reduces this significantly.

Does the STM32F405VGT7 support hardware encryption or secure boot features?

No. The STM32F405VGT7 does not integrate hardware cryptographic accelerators (AES, SHA, PKA) or secure boot ROM. It relies on software-based security libraries. For certified secure boot, ST recommends the STM32L4+, STM32H7, or STM32WB series with dedicated security subsystems.

Can the Ethernet MAC operate in RMII mode, and what pins are required?

Yes. RMII mode uses 9 pins: PA1 (REF_CLK), PA2 (CRS_DV), PA7 (RXD0), PC4 (RXD1), PC5 (TX_EN), PB12 (TXD0), PB13 (TXD1), and PG11/PG13 (optional for speed/duplex control). All are configurable via AFIO remapping; RMII reduces pin count versus MII while maintaining 100 Mbps throughput.

Is the 4 KB backup SRAM retained during Standby mode with VBAT applied?

Yes. When VBAT is supplied and the PWR_CR register's DBP bit is set, the 4 KB backup SRAM remains powered and fully accessible during Standby mode. Data retention is guaranteed over the full industrial temperature range (−40°C to +85°C) per DS8626 Rev 12, Section 6.3.25.

STM32F405VGT7 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:: 168MHz

Connectivity:: CANbus, EBI/EMI, 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:: 1MB (1M x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 192K 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:

STM32F405VGT7 FAQ

1.How can I place an order for STM32F405VGT7 through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F405VGT7 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 STM32F405VGT7 reliable?

The price and inventory of STM32F405VGT7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F405VGT7 is usually 5 days.

3.What payment methods are accepted for STM32F405VGT7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F405VGT7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F405VGT7?

STM32F405VGT7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F405VGT7 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 STM32F405VGT7?

For technical support, including STM32F405VGT7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F405VGT7 requirements.

6.How does Aetrix verify that STM32F405VGT7 is sourced from the original manufacturer or authorized distributors?

All STM32F405VGT7 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 STM32F405VGT7 meets industry standards.

7.What is the process for return or replacement of STM32F405VGT7?

All STM32F405VGT7 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F405VGT7, 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 STM32F405VGT7 part is unused and in its original packaging.

Return procedure for STM32F405VGT7:

1.Submit a request within 90 days.

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

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