STM32F427VGT6 - 180MHz Cortex-M4 MCU 1MB Flash LQFP-100 | STMicroelectronics
MPN: STM32F427VGT6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $17.18 | $17.18 |
| 10 | $15.46 | $154.60 |
| 100 | $12.87 | $1,287.00 |
| 500 | $11.32 | $5,660.00 |
| 1,000 | $10.04 | $10,040.00 |
| 3,000 | $8.95 | $26,850.00 |
STM32F427VGT6 Overview
What is a Cortex-M4 microcontroller? A microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory (Flash), working memory (SRAM), and peripherals such as timers, ADCs, and communication interfaces. The ARM Cortex-M4 is a 32-bit RISC core designed for deterministic real-time embedded applications, with optional single-precision FPU and DSP extensions. Within the broader taxonomy, the Cortex-M4 belongs to the Cortex-M class -> 32-bit MCU -> microcontroller -> embedded processing -> semiconductor. The STM32F4 line is ST's high-performance Cortex-M4 family, sitting above Cortex-M0/M0+/M3 in compute capability and below Cortex-M7 in raw DSP throughput.
Key features of the STM32F427VGT6 include: up to 17 timers, three 12-bit ADCs with 2.4 MSPS, two 12-bit DACs, USB 2.0 OTG full-speed + high-speed with on-chip PHY, two CAN 2.0B controllers, an Ethernet MAC, an LCD-TFT controller (F427 line), crypto/hash accelerators, and up to 114 general-purpose I/Os. The 100-pin LQFP package exposes 82 GPIO-capable pins, multiple USART/UART/SPI/I2C interfaces, and SDIO/SDMMC for storage mass expansion.
Architecturally, the device pairs a 3-stage pipeline Cortex-M4 core with a multi-layer AHB/APB bus matrix and an ART Accelerator that prefetches and caches instructions from Flash to remove wait states at 180 MHz. The on-chip voltage regulator supports 1.8V-3.6V single-supply operation, with a low-power RTC domain retaining 32 backup registers across Standby/Shutdown modes. Cryptographic acceleration (AES 128/256, SHA-1/SHA-2, TRNG) provides hardware offload for secure boot and TLS payload processing.
Typical applications include industrial automation (PLC, HMI, motor drives), medical instrumentation, point-of-sale terminals, building security panels, audio/video consumer appliances, smart-grid metering, and Ethernet-connected IoT gateways. The combination of Ethernet MAC, USB OTG HS, and TFT controller supports graphics terminals and Human-Machine Interfaces without an external graphics IC.
When designing with the STM32F427VGT6, ensure VBAT is supplied for RTC retention, and decouple VDD/VSSA/VDDA/VREF+ with 100 nF capacitors within 1-2 mm of each pin pair. Use the ST-LINK/V2 programmer and STM32CubeMX for clock-tree and pin initialization; the HAL/LLSE libraries are the canonical firmware starting point. Review the datasheet's absolute maximum ratings for ESD and latch-up before finalizing PCB layout.
This page synthesizes distributor pricing, drop-in LQFP-100 alternatives, and practical design notes not found on a single ST datasheet page, accelerating component selection for engineers building real-time Ethernet/USB embedded systems.
Drop-in alternatives for STM32F427VGT6 — 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 STM32F427VGT6 (same form factor and footprint) — differing in Package, Operating Temperature, Timers, SRAM, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32F437VGT6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F429VGT6
✅ Drop-In✓ In Stock
$10.85 / Unit
View Datasheet →STM32F405VGT6
✅ Drop-In✓ In Stock
$8.1 / Unit
View Datasheet →STM32F415VGT6
✅ Drop-In✓ In Stock
$7.5 / Unit
View Datasheet →STM32F427IIT6
✅ Drop-In✓ In Stock
$11.2 / Unit
View Datasheet →STM32F427VGT6 Maximum Ratings & Electrical Characteristics
| Core Architecture | ARM 32-bit Cortex-M4 with FPU and DSP |
| Maximum Clock Frequency | 180 MHz |
| Performance | 225 DMIPS / 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Program Flash Memory | 1 MB (1M x 8) |
| SRAM | 256 KB (192 KB + 64 KB CCM) |
| Operating Voltage | 1.8 V to 3.6 V |
| Supply Voltage (VDD/VDDA) | 2.0 V to 3.6 V (full performance); 1.8 V min |
| Package | 100-pin LQFP (14x14 mm) |
| Operating Temperature Range | -40C to +85C (grade 6) |
| ART Accelerator | Yes - 0-wait-state Flash execution |
| ADC | 3 x 12-bit, 2.4 MSPS |
| DAC | 2 x 12-bit |
| Timers | Up to 17 (including 32-bit) |
| Communication Interfaces | USB OTG FS + HS PHY, 2x CAN 2.0B, Ethernet MAC, 6x USART/UART, 3x SPI, 4x I2C, 2x I2S, SDIO |
| Cryptography | AES 128/256, SHA-1/SHA-2, TRNG, hash |
| Display Controller | LCD-TFT (F427 line) |
| GPIO | Up to 114 (82 in LQFP-100) |
| Mounting Type | Surface Mount |
| MSL Level | 3 (JEDEC J-STD-020) |
| RoHS Status | Compliant |
STM32F427VGT6 Pin Configuration
| Pin 1 | PE2 — GPIO PE2 / TRACECLK / SPI4_SCK / FSMC_A23 |
| Pin 2 | PE3 — GPIO PE3 / TRACED0 / FSMC_A19 |
| Pin 3 | PE4 — GPIO PE4 / TRACED1 / SPI4_NSS / FSMC_A20 |
| Pin 4 | PE5 — GPIO PE5 / TRACED2 / TIM9_CH1 / SPI4_MISO / FSMC_A21 |
| Pin 5 | PE6 — GPIO PE6 / TRACED3 / TIM9_CH2 / SPI4_MOSI / FSMC_A22 |
| Pin 6 | VBAT — Battery backup domain supply |
| Pin 7 | PC13 — GPIO PC13 / RTC_TAMP1 / RTC_OUT |
| Pin 8 | PC14 — GPIO PC14 / OSC32_IN |
| Pin 9 | PC15 — GPIO PC15 / OSC32_OUT |
| Pin 10 | VSS — Ground |
| Pin 11 | VDD — Digital supply |
| Pin 12 | PH0 — GPIO PH0 / OSC_IN |
| Pin 13 | PH1 — GPIO PH1 / OSC_OUT |
| Pin 14 | NRST — Reset (active low) |
| Pin 15 | PC0 — GPIO PC0 / ADC123_IN10 |
| Pin 16 | PC1 — GPIO PC1 / ADC123_IN11 |
| Pin 17 | PC2 — GPIO PC2 / ADC123_IN12 |
| Pin 18 | PC3 — GPIO PC3 / ADC123_IN13 |
| Pin 19 | VSSA — Analog ground |
| Pin 20 | VREF+ — ADC reference positive |
| Pin 21 | VDDA — Analog supply |
| Pin 22 | PA0 — GPIO PA0 / WKUP / UART4_TX / ADC123_IN0 |
| Pin 23 | PA1 — GPIO PA1 / UART4_RX / ADC123_IN1 |
| Pin 24 | PA2 — GPIO PA2 / USART2_TX / ADC123_IN2 |
| Pin 25 | PA3 — GPIO PA3 / USART2_RX / ADC123_IN3 |
| Pin 26 | VSS — Ground |
| Pin 27 | VDD — Digital supply |
| Pin 28 | PA4 — GPIO PA4 / SPI1_NSS / USART2_CK / ADC12_IN4 / DAC_OUT1 |
| Pin 29 | PA5 — GPIO PA5 / SPI1_SCK / ADC12_IN5 / DAC_OUT2 |
| Pin 30 | PA6 — GPIO PA6 / SPI1_MISO / TIM13_CH1 / ADC12_IN6 |
| Pin 31 | PA7 — GPIO PA7 / SPI1_MOSI / TIM14_CH1 / ADC12_IN7 |
| Pin 32 | PC4 — GPIO PC4 / ETH_RMII_RX_D0 |
| Pin 33 | PC5 — GPIO PC5 / ETH_RMII_RX_D1 |
| Pin 34 | PB0 — GPIO PB0 / TIM3_CH3 / ADC12_IN8 |
| Pin 35 | PB1 — GPIO PB1 / TIM3_CH4 / ADC12_IN9 |
| Pin 36 | PB2 — GPIO PB2 / BOOT1 |
| Pin 37 | PE7 — GPIO PE7 / FSMC_D4 / TIM1_ETR |
| Pin 38 | PE8 — GPIO PE8 / FSMC_D5 / TIM1_CH1N |
| Pin 39 | PE9 — GPIO PE9 / FSMC_D6 / TIM1_CH1 |
| Pin 40 | PE10 — GPIO PE10 / FSMC_D7 / TIM1_CH2N |
| Pin 41 | PE11 — GPIO PE11 / FSMC_D8 / TIM1_CH2 |
| Pin 42 | PE12 — GPIO PE12 / FSMC_D9 / TIM1_CH3N |
| Pin 43 | PE13 — GPIO PE13 / FSMC_D10 / TIM1_CH3 |
| Pin 44 | PE14 — GPIO PE14 / FSMC_D11 / TIM1_CH4 |
| Pin 45 | PE15 — GPIO PE15 / FSMC_D12 / TIM1_BKIN |
| Pin 46 | PB10 — GPIO PB10 / I2C2_SCL / USART3_TX / ETH_MII_RX_ER |
| Pin 47 | PB11 — GPIO PB11 / I2C2_SDA / USART3_RX / ETH_MII_TX_EN |
| Pin 48 | VCAP_1 — Internal voltage regulator bypass (1.2V) |
| Pin 49 | VDD — Digital supply |
| Pin 50 | PB12 — GPIO PB12 / SPI2_NSS / I2S2_WS / CAN2_RX / OTG_HS_ID |
| Pin 51 | PB13 — GPIO PB13 / SPI2_SCK / I2S2_CK / CAN2_TX / OTG_HS_VBUS |
| Pin 52 | PB14 — GPIO PB14 / SPI2_MISO / TIM12_CH1 / OTG_HS_DM |
| Pin 53 | PB15 — GPIO PB15 / SPI2_MOSI / TIM12_CH2 / OTG_HS_DP |
| Pin 54 | PD8 — GPIO PD8 / FSMC_D13 / USART3_TX |
| Pin 55 | PD9 — GPIO PD9 / FSMC_D14 / USART3_RX |
| Pin 56 | PD10 — GPIO PD10 / FSMC_D15 |
| Pin 57 | PD11 — GPIO PD11 / FSMC_A16 |
| Pin 58 | PD12 — GPIO PD12 / FSMC_A17 / TIM4_CH1 |
| Pin 59 | PD13 — GPIO PD13 / FSMC_A18 / TIM4_CH2 |
| Pin 60 | VSS — Ground |
| Pin 61 | VDD — Digital supply |
| Pin 62 | PD14 — GPIO PD14 / FSMC_D0 / TIM4_CH3 |
| Pin 63 | PD15 — GPIO PD15 / FSMC_D1 / TIM4_CH4 |
| Pin 64 | PC6 — GPIO PC6 / USART6_TX / TIM8_CH1 / SDIO_D6 |
| Pin 65 | PC7 — GPIO PC7 / USART6_RX / TIM8_CH2 / SDIO_D7 |
| Pin 66 | PC8 — GPIO PC8 / USART6_CK / TIM8_CH3 / SDIO_D0 |
| Pin 67 | PC9 — GPIO PC9 / I2C3_SDA / TIM8_CH4 / SDIO_D1 |
| Pin 68 | PA8 — GPIO PA8 / USART1_CK / TIM1_CH1 / OTG_FS_SOF / MCO1 |
| Pin 69 | PA9 — GPIO PA9 / USART1_TX / TIM1_CH2 / OTG_FS_VBUS |
| Pin 70 | PA10 — GPIO PA10 / USART1_RX / TIM1_CH3 / OTG_FS_ID |
| Pin 71 | PA11 — GPIO PA11 / USART1_CTS / CAN1_RX / TIM1_CH4 / OTG_FS_DM |
| Pin 72 | PA12 — GPIO PA12 / USART1_RTS / CAN1_TX / TIM1_ETR / OTG_FS_DP |
| Pin 73 | PA13 — GPIO PA13 / JTMS / SWDIO |
| Pin 74 | VCAP_2 — Internal voltage regulator bypass (1.2V) |
| Pin 75 | VSS — Ground |
| Pin 76 | VDD — Digital supply |
| Pin 77 | PA14 — GPIO PA14 / JTCK / SWCLK |
| Pin 78 | PA15 — GPIO PA15 / JTDI / SPI3_NSS / I2S3_WS / TIM2_CH1_ETR |
| Pin 79 | PC10 — GPIO PC10 / SPI3_SCK / I2S3_CK / UART4_TX / SDIO_D2 |
| Pin 80 | PC11 — GPIO PC11 / SPI3_MISO / UART4_RX / SDIO_D3 |
| Pin 81 | PC12 — GPIO PC12 / SPI3_MOSI / UART5_TX / SDIO_CK |
| Pin 82 | PD0 — GPIO PD0 / FSMC_D2 / CAN1_RX |
| Pin 83 | PD1 — GPIO PD1 / FSMC_D3 / CAN1_TX |
| Pin 84 | PD2 — GPIO PD2 / TIM3_ETR / UART5_RX / SDIO_CMD |
| Pin 85 | PD3 — GPIO PD3 / FSMC_CLK |
| Pin 86 | PD4 — GPIO PD4 / FSMC_NOE |
| Pin 87 | PD5 — GPIO PD5 / FSMC_NWE |
| Pin 88 | PD6 — GPIO PD6 / FSMC_NWAIT |
| Pin 89 | PD7 — GPIO PD7 / FSMC_NE1 / FSMC_NCE2 |
| Pin 90 | PB3 — GPIO PB3 / JTDO / TRACESWO / SPI3_SCK / I2S3_CK / TIM2_CH2 |
| Pin 91 | PB4 — GPIO PB4 / NJTRST / SPI3_MISO / TIM3_CH1 |
| Pin 92 | PB5 — GPIO PB5 / I2C1_SMBAI / SPI3_MOSI / TIM3_CH2 |
| Pin 93 | PB6 — GPIO PB6 / I2C1_SCL / TIM4_CH1 / USART1_TX |
| Pin 94 | PB7 — GPIO PB7 / I2C1_SDA / TIM4_CH2 / USART1_RX |
| Pin 95 | BOOT0 — Boot mode select |
| Pin 96 | PB8 — GPIO PB8 / TIM4_CH3 / I2C1_SCL / CAN1_RX / ETH_MII_TXD3 |
| Pin 97 | PB9 — GPIO PB9 / TIM4_CH4 / I2C1_SDA / CAN1_TX / I2S2_WS |
| Pin 98 | PE0 — GPIO PE0 / TIM4_ETR / FSMC_NBL0 |
| Pin 99 | PE1 — GPIO PE1 / FSMC_NBL1 |
| Pin 100 | VSS — Ground |
Typical Applications
STM32F427VGT6 is suitable for 7 applications: Industrial Motor Control and FOC Drives, HMI / Graphical Touch Terminals, Building Automation and Security Panels, Medical Patient Monitors, Smart Energy Metering and Grid Edge, Point-of-Sale (POS) Terminals, Audio/Video Consumer Appliances.
Industrial Motor Control and FOC Drives
The STM32F427VGT6 is widely deployed in industrial FOC (field-oriented-control) drives for PMSM and BLDC motors. Its 180 MHz Cortex-M4F core with single-precision FPU executes the Park/Clarke transforms and SVM modulation in microseconds, and three 2.4 MSPS 12-bit ADCs sample phase currents and DC-bus voltage with sub-microsecond latency. Advanced timers (TIM1/TIM8) generate complementary 3-phase PWM with hardware dead-time insertion and break inputs for overcurrent protection. The 256 KB SRAM buffers real-time speed/torque loops without external memory, while the Ethernet MAC and dual CAN 2.0B interface the drive to factory networks (EtherCAT, CANopen). Industrial temperature grade (-40C to +85C) supports factory-floor enclosures.
Recommended
HMI / Graphical Touch Terminals
The STM32F427VGT6's on-chip LCD-TFT controller drives RGB panels up to SVGA resolution without an external graphics controller, making it ideal for industrial HMI touch terminals and POS displays. The Cortex-M4F core plus DMA2D-equivalent fill/blit in software renders menus and widgets responsively, while the USB OTG HS port connects capacitive touch controllers and firmware update paths. The 1 MB Flash holds rich UI assets, and the 256 KB SRAM provides double-buffered framebuffers for tear-free graphics. Ethernet MAC enables remote HMI dashboards, and SDIO supports external asset storage for fonts and icons.
Recommended
Building Automation and Security Panels
Building automation controllers leverage the STM32F427VGT6's Ethernet MAC for BACnet/Modbus TCP connectivity and dual CAN 2.0B for HVAC bus networks. The crypto accelerators accelerate TLS handshakes for secure remote management, while the RTC with VBAT domain retains time and 32 backup registers across power outages. The 12-bit ADC reads analog sensor inputs (temperature, CO2, occupancy) and the 12-bit DACs generate 0-10V control outputs for damper actuators. Multiple USART ports bridge to RS-485 subnets for legacy field devices, and SDIO supports local log storage for alarm history.
Recommended
Medical Patient Monitors
The STM32F427VGT6 is suitable for medical patient monitoring equipment where 180 MHz DSP performance enables real-time ECG/EEG/SPO2 signal processing on-board. Its three 12-bit ADCs simultaneously sample multi-lead ECG waveforms at clinical sampling rates, while the FPU executes digital filters (IIR/FIR) for 50/60 Hz mains rejection and baseline drift removal. USB OTG HS streams processed data to a host PC, and Ethernet MAC connects to hospital EMR networks. The -40C to +85C temperature range supports operating-room environments, and the 256 KB SRAM holds waveform buffers without external memory.
Recommended
Smart Energy Metering and Grid Edge
Smart energy meters and grid-edge monitoring equipment leverage the STM32F427VGT6's combination of 12-bit ADC accuracy, AES hardware encryption, and Ethernet connectivity. Class-0.2 metering accuracy is attainable using the on-chip 12-bit ADC with proper analog front-end conditioning for current transformers and shunt resistors. The crypto block (AES-128/256) secures DLMS/COSEM protocol payloads per IEC 62056, while the RTC with calibration supports 0.5 s/day accuracy over industrial temperatures. The LCD-TFT controller drives segmented or dot-matrix UI displays for consumption readouts and tariff information.
Recommended
Point-of-Sale (POS) Terminals
POS terminals benefit from the STM32F427VGT6's USB OTG HS PHY for direct connection to payment peripherals, Ethernet MAC for IP-based transaction routing, and LCD-TFT controller for customer-facing displays. The crypto hardware accelerates EMV chip-card authentication (AES/DES), while the SDIO controller interfaces to a microSD card slot for transaction logging and firmware updates. The 180 MHz Cortex-M4F core runs the EMV L2 stack and cryptographic operations responsively, and the 256 KB SRAM handles TCP/IP socket buffers for cloud transaction authorization.
Recommended
Audio/Video Consumer Appliances
The STM32F427VGT6 fits networked audio/video appliances such as multiroom amplifiers, smart speakers, and video doorbells. The I2S interfaces connect to Class-D amplifier codecs and MEMS microphones, while the Ethernet MAC streams audio over Dante/AirPlay-like protocols. The USB OTG HS PHY accepts direct firmware updates and debug logging, and the LCD-TFT controller drives 3-5 inch status displays. The ART Accelerator executes audio DSP (EQ, dynamics, crossovers) at 180 MHz with low latency, while the 256 KB SRAM holds circular audio buffers for glitch-free playback.
Recommended
Recommended Products Summary
Engineering reference data for STM32F427VGT6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F437VGT6 | STM32F429VGT6 | STM32F405VGT6 | STM32F415VGT6 | STM32F427IIT6 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | LQFP-100 (14x14) | LQFP-100 (14x14) - same | LQFP-100 (14x14) - same | LQFP-100 (14x14) - same | LQFP-100 (14x14) - same | LQFP-176 - same die, different package |
| Core | Cortex-M4F 180 MHz | Cortex-M4F 180 MHz | Cortex-M4F 180 MHz | Cortex-M4F 168 MHz | Cortex-M4F 168 MHz | Cortex-M4F 180 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 2 MB |
| SRAM | 256 KB (192+64 CCM) | 256 KB | 256 KB | 192 KB + 4 KB BKPSRAM | 192 KB + 4 KB BKPSRAM | 256 KB + 4 KB BKPSRAM |
| Ethernet MAC | Yes (MII/RMII) | Yes | Yes | Yes | Yes | Yes |
| USB OTG HS PHY | Yes (on-chip) | Yes | Yes | Yes | Yes | Yes |
| LCD-TFT Controller | Yes | Yes | Yes (with DMA2D) | No | No | Yes |
| Crypto Hardware (AES/SHA) | AES-128/256, SHA-1/2, TRNG | AES-128/256, SHA-1/2, TRNG, SFI | AES-128/256, SHA-1/2, TRNG | AES-128/256, SHA-1/2, hash | AES-128/256, SHA-1/2, hash | AES-128/256, SHA-1/2, TRNG |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Approx Unit Price (qty 1) | $17.18 | $18.50 (est) | $18.20 (est) | $12.50 (est) | $13.50 (est) | $22.00 (est) |
Key Differentiators
- On-chip LCD-TFT controller absent on F405/R415 (vs STM32F405VGT6)
- Higher 180 MHz vs F405/R415 168 MHz core speed (vs STM32F405VGT6)
- TRNG (true random number generator) for crypto-grade entropy (vs STM32F405VGT6)
- Up to 256 KB SRAM with 64 KB CCM for time-critical data (vs STM32F405VGT6)
Design Notes
Decouple VDD/VDDA with 100 nF X7R ceramic placed within 1-2 mm of each supply pin pair. The internal voltage regulator requires VCAP_1 (pin 48) and VCAP_2 (pin 74) to each have a 2.2 uF low-ESR ceramic (X5R/X7R) bypass; inadequate capacitance causes core voltage instability and brown-out resets under heavy DMA/CPU load. Tie VBAT to a coin cell or main VDD depending on RTC retention needs.
Route HSE 8 MHz and LSE 32.768 kHz crystal traces as short as possible (under 5 mm), guard them with a ground GND on the opposite PCB layer, and place load capacitors within 1 mm of the OSC_IN/OSC_OUT pins. For USB OTG HS, keep the DPOT/HDDM differential pair matched within 2 mm and 90 ohm differential impedance, and place the on-chip PHY reference resistor (RREF = 12.4 kohm 1%) within 5 mm of DPOT_HS_REXT pin.
Estimated: At 180 MHz with all peripherals enabled, the STM32F427VGT6 draws approximately 90 mA from VDD at 3.3V (about 300 mW). With LQFP-100 theta_JA of approximately 50 C/W on a 4-layer JEDEC JESD51-7 board, junction temperature rises 15C above ambient at 25 C room temperature - well within the 85 C industrial limit. For sealed enclosures, derate by 0.7 mW/C above 50 C ambient.
Do not leave BOOT0 floating - it must be tied to VSS for normal Flash boot, or to VDD for system memory bootloader. Missing the JTAG/SWD pull-down on NJTRST (PB4) can lock the debug port in reset during software-controlled debug multiplexing. The ART Accelerator requires Flash wait states configured via the FLASH->ACR register before raising the core above 30 MHz; failing this causes silent instruction-fetch errors.
Compliance Information
RoHS and REACH compliant per ST product page. Not AEC-Q100 qualified - choose STM32F427VGT6 grade-7 (-40 to +105 C) or grade-3 (-40 to +125 C) variants for harsh-environment applications. Lead-free reflow profile per JEDEC J-STD-020 MSL3.
