STM32F415VGT6 - 168MHz ARM Cortex-M4F MCU, 1MB Flash | STMicroelectronics
MPN: STM32F415VGT6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.2 | $112.00 |
| 100 | $9.8 | $980.00 |
| 500 | $8.9 | $4,450.00 |
| 1,000 | $8.1 | $8,100.00 |
STM32F415VGT6 Overview
What is an ARM Cortex-M4F microcontroller? It is a 32-bit processor core designed for embedded systems, featuring a floating-point unit (FPU) for efficient handling of mathematical operations, DSP instructions, and low-power modes. The Cortex-M4F is part of the ARM Cortex-M family, which includes the M0, M0+, M3, M4, and M7 cores, each offering different performance and feature trade-offs. In the system hierarchy, a microcontroller (MCU) integrates a processor core, memory, and peripherals on a single chip, serving as the 'brain' of embedded systems, from industrial controllers to consumer electronics.
Key features of the STM32F415VGT6 include a 168 MHz maximum clock speed, 1 MB of Flash memory, 192 KB of SRAM, and a comprehensive set of peripherals: three 12-bit ADCs, two DACs, a DMA controller, multiple timers, and communication interfaces such as USART, SPI, I2C, USB OTG FS/HS, CAN, and SDIO. The device also features a cryptographic/hash processor for hardware-accelerated AES, DES, and SHA-1/MD5, enhancing security for connected applications. The FPU accelerates single-precision floating-point arithmetic, which is critical for control algorithms and signal processing.
Technically, the STM32F415VGT6 is built on a 90nm process technology, offering a balance of performance and power efficiency. It supports a wide supply voltage range of 1.8V to 3.6V, with multiple low-power modes (Sleep, Stop, Standby) to optimize energy consumption. The device includes a memory protection unit (MPU) for enhanced reliability, and a nested vectored interrupt controller (NVIC) for deterministic interrupt handling. The LQFP100 package provides 82 I/O pins, with many pins multiplexed to support alternate functions, enabling flexible board design.
Typical applications include industrial control systems, motor drives, medical devices, consumer electronics, and IoT gateways. The combination of high performance, large memory, and rich connectivity makes it ideal for applications requiring real-time processing and communication, such as PLCs, robotics, and smart home hubs. The cryptographic acceleration also suits secure communication protocols like TLS.
When designing with this device, ensure proper decoupling of the power supply pins with 100nF capacitors close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin must be connected to a clean analog supply, and VREF+ should be decoupled with a 1uF capacitor. For high-speed USB, use an external crystal oscillator with the specified load capacitance. Also, consider the thermal dissipation of the LQFP100 package; for high-current I/O toggling, provide adequate copper pour on the PCB.
Drop-in alternatives for STM32F415VGT6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with STM32F415VGT6 (same form factor and footprint) — differing in Communication Interfaces, Package, SRAM, Core, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32F407VGT6
✅ Drop-In✓ In Stock
$7.55 / Unit
View Datasheet →STM32F415VGT7
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32F417VGT6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.1 / Unit
View Datasheet →STM32F407VGT7
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32F427VGT6
⚡ Same Package ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32F415VGT6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4F with FPU |
| Maximum Clock Speed | 168 MHz |
| Flash Memory | 1 MB |
| SRAM | 192 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Package | LQFP100 (14x14 mm) |
| Number of I/O Pins | 82 |
| ADC | 3x 12-bit, up to 16 channels |
| DAC | 2x 12-bit |
| Timers | 12x 16-bit, 2x 32-bit |
| Communication Interfaces | USART, SPI, I2C, USB OTG FS/HS, CAN, SDIO |
| Cryptographic Acceleration | AES, DES, SHA-1, MD5 |
| Operating Temperature Range | -40C to +85C |
| DMA | 2x DMA controllers with 16 streams |
| Low Power Modes | Sleep, Stop, Standby |
| RoHS Status | Compliant |
STM32F415VGT6 Pin Configuration
| Pin 1 | PE2 — GPIO / alternate functions |
| Pin 2 | PE3 — GPIO / alternate functions |
| Pin 3 | PE4 — GPIO / alternate functions |
| Pin 4 | PE5 — GPIO / alternate functions |
| Pin 5 | PE6 — GPIO / alternate functions |
| Pin 6 | VBAT — Battery backup supply |
| Pin 7 | PC13 — GPIO / RTC output |
| Pin 8 | PC14 — GPIO / OSC32_IN |
| Pin 9 | PC15 — GPIO / OSC32_OUT |
| Pin 10 | PF0 — GPIO / OSC_IN |
| Pin 11 | PF1 — GPIO / OSC_OUT |
| Pin 12 | NRST — Reset (active low) |
| Pin 13 | PC0 — GPIO / ADC input |
| Pin 14 | PC1 — GPIO / ADC input |
| Pin 15 | PC2 — GPIO / ADC input |
| Pin 16 | PC3 — GPIO / ADC input |
| Pin 17 | VDD — Digital power supply |
| Pin 18 | VSS — Digital ground |
| Pin 19 | PC4 — GPIO / ADC input |
| Pin 20 | PC5 — GPIO / ADC input |
| Pin 21 | PB0 — GPIO / ADC input |
| Pin 22 | PB1 — GPIO / ADC input |
| Pin 23 | PB2 — GPIO / BOOT1 |
| Pin 24 | PB10 — GPIO / I2C2_SCL |
| Pin 25 | PB11 — GPIO / I2C2_SDA |
| Pin 26 | VSS — Digital ground |
| Pin 27 | VDD — Digital power supply |
| Pin 28 | PB12 — GPIO / SPI2_NSS |
| Pin 29 | PB13 — GPIO / SPI2_SCK |
| Pin 30 | PB14 — GPIO / SPI2_MISO |
| Pin 31 | PB15 — GPIO / SPI2_MOSI |
| Pin 32 | PD8 — GPIO / USART3_TX |
| Pin 33 | PD9 — GPIO / USART3_RX |
| Pin 34 | PD10 — GPIO / USART3_CK |
| Pin 35 | PD11 — GPIO / USART3_CTS |
| Pin 36 | PD12 — GPIO / USART3_RTS |
| Pin 37 | PD13 — GPIO / TIM4_CH2 |
| Pin 38 | PD14 — GPIO / TIM4_CH3 |
| Pin 39 | PD15 — GPIO / TIM4_CH4 |
| Pin 40 | PC6 — GPIO / TIM3_CH1 |
| Pin 41 | PC7 — GPIO / TIM3_CH2 |
| Pin 42 | PC8 — GPIO / TIM3_CH3 |
| Pin 43 | PC9 — GPIO / TIM3_CH4 |
| Pin 44 | PA0 — GPIO / WKUP / ADC input |
| Pin 45 | PA1 — GPIO / ADC input |
| Pin 46 | PA2 — GPIO / USART2_TX |
| Pin 47 | PA3 — GPIO / USART2_RX |
| Pin 48 | VSS — Digital ground |
| Pin 49 | VDD — Digital power supply |
| Pin 50 | PA4 — GPIO / SPI1_NSS |
| Pin 51 | PA5 — GPIO / SPI1_SCK |
| Pin 52 | PA6 — GPIO / SPI1_MISO |
| Pin 53 | PA7 — GPIO / SPI1_MOSI |
| Pin 54 | PC4 — GPIO / ADC input |
| Pin 55 | PC5 — GPIO / ADC input |
| Pin 56 | PB0 — GPIO / ADC input |
| Pin 57 | PB1 — GPIO / ADC input |
| Pin 58 | PB2 — GPIO / BOOT1 |
| Pin 59 | PB10 — GPIO / I2C2_SCL |
| Pin 60 | PB11 — GPIO / I2C2_SDA |
| Pin 61 | VSS — Digital ground |
| Pin 62 | VDD — Digital power supply |
| Pin 63 | PB12 — GPIO / SPI2_NSS |
| Pin 64 | PB13 — GPIO / SPI2_SCK |
| Pin 65 | PB14 — GPIO / SPI2_MISO |
| Pin 66 | PB15 — GPIO / SPI2_MOSI |
| Pin 67 | PD8 — GPIO / USART3_TX |
| Pin 68 | PD9 — GPIO / USART3_RX |
| Pin 69 | PD10 — GPIO / USART3_CK |
| Pin 70 | PD11 — GPIO / USART3_CTS |
| Pin 71 | PD12 — GPIO / USART3_RTS |
| Pin 72 | PD13 — GPIO / TIM4_CH2 |
| Pin 73 | PD14 — GPIO / TIM4_CH3 |
| Pin 74 | PD15 — GPIO / TIM4_CH4 |
| Pin 75 | PC6 — GPIO / TIM3_CH1 |
| Pin 76 | PC7 — GPIO / TIM3_CH2 |
| Pin 77 | PC8 — GPIO / TIM3_CH3 |
| Pin 78 | PC9 — GPIO / TIM3_CH4 |
| Pin 79 | PA0 — GPIO / WKUP / ADC input |
| Pin 80 | PA1 — GPIO / ADC input |
| Pin 81 | PA2 — GPIO / USART2_TX |
| Pin 82 | PA3 — GPIO / USART2_RX |
| Pin 83 | VSS — Digital ground |
| Pin 84 | VDD — Digital power supply |
| Pin 85 | PA4 — GPIO / SPI1_NSS |
| Pin 86 | PA5 — GPIO / SPI1_SCK |
| Pin 87 | PA6 — GPIO / SPI1_MISO |
| Pin 88 | PA7 — GPIO / SPI1_MOSI |
| Pin 89 | PC4 — GPIO / ADC input |
| Pin 90 | PC5 — GPIO / ADC input |
| Pin 91 | PB0 — GPIO / ADC input |
| Pin 92 | PB1 — GPIO / ADC input |
| Pin 93 | PB2 — GPIO / BOOT1 |
| Pin 94 | PB10 — GPIO / I2C2_SCL |
| Pin 95 | PB11 — GPIO / I2C2_SDA |
| Pin 96 | VSS — Digital ground |
| Pin 97 | VDD — Digital power supply |
| Pin 98 | PB12 — GPIO / SPI2_NSS |
| Pin 99 | PB13 — GPIO / SPI2_SCK |
| Pin 100 | PB14 — GPIO / SPI2_MISO |
Typical Applications
STM32F415VGT6 is suitable for 6 applications: Industrial Control Systems, IoT Gateways, Motor Drives, Medical Devices, Consumer Electronics, Test and Measurement.
Industrial Control Systems
The STM32F415VGT6 is ideal for industrial control systems such as PLCs, motor drives, and robotics. Its 168 MHz Cortex-M4F core with FPU accelerates complex control algorithms like FOC (Field-Oriented Control) and PID loops. The device features advanced timers with PWM generation, multiple ADCs for current/voltage sensing, and robust communication interfaces (CAN, UART, SPI) for industrial networking. The wide operating temperature range (-40C to +85C) and high reliability make it suitable for harsh environments. In a typical PLC, the MCU manages digital I/O, analog inputs, and communication protocols like Modbus, ensuring real-time response. The cryptographic acceleration also enables secure firmware updates and communication, protecting industrial assets from cyber threats.
Recommended
IoT Gateways
The STM32F415VGT6 is well-suited for IoT gateways that aggregate data from sensors and communicate with the cloud. Its 1 MB Flash and 192 KB SRAM provide ample storage for protocol stacks (MQTT, CoAP) and data buffering. The device supports Ethernet MAC (via external PHY), USB OTG, and multiple UARTs for connecting to Wi-Fi or cellular modules. The cryptographic acceleration (AES, SHA) enables secure TLS connections, protecting data in transit. In a typical IoT gateway, the MCU runs FreeRTOS, manages sensor data collection, and handles OTA updates. The low-power modes allow the gateway to enter standby when idle, reducing energy consumption. The rich peripheral set and connectivity options make it a versatile choice for smart home hubs and industrial IoT edge devices.
Recommended
Motor Drives
The STM32F415VGT6 excels in motor drive applications, including brushless DC (BLDC), permanent magnet synchronous (PMSM), and stepper motors. The 168 MHz Cortex-M4F with FPU executes FOC algorithms efficiently, enabling smooth torque control and high dynamic response. The device has advanced timers (TIM1, TIM8) with complementary PWM outputs and dead-time insertion, essential for driving three-phase inverters. Three 12-bit ADCs with up to 16 channels sample phase currents and DC bus voltage simultaneously, enabling precise current sensing. The CAN interface allows communication with higher-level controllers in industrial drives. In a typical motor drive, the MCU reads encoder or Hall sensor feedback, computes the FOC algorithm, and generates PWM signals to the gate drivers. The cryptographic unit can secure firmware to prevent unauthorized modification.
Recommended
Medical Devices
The STM32F415VGT6 is used in medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high performance and FPU enable real-time signal processing for ECG, EEG, and blood pressure monitoring. The device's large memory (1 MB Flash, 192 KB SRAM) supports complex algorithms and data logging. The multiple ADCs and DACs interface with analog front-ends for sensor conditioning. The cryptographic acceleration ensures secure storage of patient data and firmware integrity. In a patient monitor, the MCU acquires vital signs, processes them, and displays results on an LCD. The low-power modes extend battery life in portable devices. The device's reliability and long-term availability make it suitable for medical applications requiring regulatory compliance.
Recommended
Consumer Electronics
The STM32F415VGT6 powers consumer electronics like smart home devices, wearables, and audio equipment. Its high performance enables rich user interfaces with graphics (via external display controllers), audio processing, and connectivity. The USB OTG interface allows direct connection to smartphones for data transfer or charging. The cryptographic unit supports secure pairing and communication with mobile apps. In a smart speaker, the MCU handles voice commands, audio playback, and Wi-Fi connectivity. The low-power modes enable battery-operated wearables to last longer. The device's rich peripheral set (I2S for audio, SDIO for storage) makes it a versatile choice for consumer products requiring a balance of performance and power efficiency.
Recommended
Test and Measurement
The STM32F415VGT6 is used in test and measurement equipment such as oscilloscopes, data loggers, and signal generators. Its high-speed ADCs (up to 2.4 MSPS) and DACs enable accurate signal acquisition and generation. The FPU accelerates digital signal processing for filtering and FFT analysis. The device's multiple timers and DMA controllers allow precise timing and high-throughput data transfer. In a data logger, the MCU samples multiple analog channels, timestamps data, and stores it on an SD card via SDIO. The USB interface enables connection to a PC for data analysis. The cryptographic unit can secure measurement data integrity. The device's wide operating temperature range and reliability make it suitable for portable and benchtop instruments.
Recommended
Recommended Products Summary
Engineering reference data for STM32F415VGT6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F407VGT6 | STM32F415VGT7 | STM32F417VGT6 | STM32F427VGT6 |
|---|---|---|---|---|---|
| Package | LQFP100 | LQFP100 | LQFP100 | LQFP100 | LQFP100 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Max Clock Speed | 168 MHz | 168 MHz | 168 MHz | 168 MHz | 180 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB |
| SRAM | 192 KB | 192 KB | 192 KB | 192 KB | 256 KB |
| Cryptographic Acceleration | Yes (AES, DES, SHA-1, MD5) | No | Yes (AES, DES, SHA-1, MD5) | Yes (AES, DES, SHA-1, MD5) | Yes (AES, DES, SHA-1, MD5) |
| Ethernet MAC | No | No | No | Yes | Yes |
| Operating Temperature Range | -40C to +85C | -40C to +85C | -40C to +105C | -40C to +85C | -40C to +85C |
Key Differentiators
- Integrated cryptographic/hash processor (vs STM32F407VGT6)
- Higher performance than F407 (vs STM32F407VGT6)
- Extended temperature variant available (vs STM32F415VGT6 (standard))
Design Notes
Decouple each VDD pin with a 100nF ceramic capacitor placed as close as possible to the pin, and add a 4.7uF bulk capacitor per supply group. The VDDA pin must be connected to a clean analog supply, and VREF+ should be decoupled with a 1uF capacitor. For battery-powered designs, connect VBAT to a backup battery or tie it to VDD through a diode to prevent back-powering.
For high-speed USB (HS) operation, an external PHY is required, and the ULPI interface signals should be routed with controlled impedance (typically 50 ohms). Place the crystal oscillator (HSE) close to the OSC_IN/OSC_OUT pins with load capacitors as specified in the datasheet. Keep the analog and digital ground planes separate and connect them at a single point to minimize noise.
The LQFP100 package has a thermal resistance (theta_JA) of approximately 45 C/W. For high-current I/O toggling and heavy processing, ensure adequate copper pour on the PCB to dissipate heat. If the device is used in high-temperature environments, consider the extended temperature variant (STM32F415VGT7) for -40C to +105C operation.
Compliance Information
RoHS and REACH compliant per STMicroelectronics. Not AEC-Q100 qualified; for automotive, consider STM32F415VGT7 (extended temp) or other automotive-grade variants.
