STM32F205VET7 - ARM Cortex-M3 MCU, 512KB Flash, 120MHz | STMicroelectronics
MPN: STM32F205VET7 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $13.5 | $13.50 |
| 10 | $12.2 | $122.00 |
| 100 | $10.85 | $1,085.00 |
| 500 | $9.75 | $4,875.00 |
| 1,000 | $8.95 | $8,950.00 |
STM32F205VET7 Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable I/O peripherals. The STM32 family sits within the ARM Cortex-M ecosystem — specifically Cortex-M3, which is a Harvard-architecture core optimized for deterministic real-time performance with low interrupt latency. Within STMicroelectronics' portfolio, the STM32F2 series targets high-performance embedded applications requiring rich connectivity (USB OTG, CAN, Ethernet MAC) combined with substantial on-chip memory, sitting between the mainstream F1 and the more advanced F4 lines.
Key features include up to 1 Mbyte addressable Flash (512KB on this variant), 100KB SRAM with CCM (Core-Coupled Memory), three 12-bit ADCs (1 MSPS / 24 channels), two 12-bit DACs, and 17 timers. Communication peripherals include USB OTG full-speed/high-speed, two CAN 2.0B interfaces, an Ethernet MAC (with MII/RMII), three I2C, three SPI, four USART and two UART interfaces. The 100-pin LQFP package provides 82 user I/O pins with 5V-tolerant I/Os.
The ART Accelerator paired with the 120MHz Cortex-M3 delivers efficient deterministic execution, allowing code to run from Flash at full speed without wait states — critical for DSP-style routines, motor-control loops, and protocol stacks. The integrated Ethernet MAC and dual CAN buses enable industrial networking and fieldbus applications, while the high-speed USB OTG supports device, host, and OTG modes for embedded peripherals.
Typical applications include industrial control and PLC modules, motor drives and inverter control, USB peripherals and HID devices, CAN-based automotive body and chassis ECUs, Ethernet-connected IoT gateways, and human-machine interface (HMI) panels. The combination of memory density and peripheral mix suits it to multi-protocol industrial nodes.
When designing with this device, ensure the regulator providing VDD/VDDA supplies clean 3.3V with adequate decoupling (typically 100nF per VDD pin plus 4.7uF bulk). The boot configuration pins (BOOT0/BOOT1) must be set correctly for the chosen boot source — main Flash, system memory (bootloader), or embedded SRAM.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Engineers can use the FAQ and design_notes sections below to accelerate schematic review and BOM validation.
Drop-in alternatives for STM32F205VET7 — 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 STM32F205VET7 (same form factor and footprint) — differing in Flash Memory, Package, SRAM, Communication Interfaces, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32F205VGT6
✅ Drop-In✓ In Stock
$8.1 / Unit
View Datasheet →STM32F205VCT6TR
✅ Drop-In✓ In Stock
$7.95 / Unit
View Datasheet →STM32F207VGT6
✅ Drop-In✓ In Stock
$6.8182 / Unit
View Datasheet →STM32F205VET7TR
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F205VFT7
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32F205ZET7
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32F217VGT6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32F205VET7 Maximum Ratings & Electrical Characteristics
| Core Architecture | ARM 32-bit Cortex-M3 |
| Maximum CPU Frequency | 120 MHz |
| DMIPS Performance | 150 DMIPS (1.25 DMIPS/MHz, Dhrystone 2.1) |
| Flash Memory | 512 KB |
| SRAM | 100 KB (including 4 KB CCM) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Package | 100-pin LQFP (14x14 mm) |
| Operating Temperature Range | -40C to +105C (grade 7) |
| ART Accelerator | Yes (0-wait-state Flash execution) |
| Memory Protection Unit (MPU) | Yes |
| GPIO Count | 82 user I/O pins (5V-tolerant) |
| 12-bit ADC | 3x, 24 channels total, up to 1 MSPS |
| 12-bit DAC | 2 channels |
| Timers | 17 (including 1 SysTick, 12 16-bit, 4 32-bit) |
| Communication Peripherals | 3x I2C, 3x SPI, 2x I2S, 4x USART, 2x UART |
| Advanced Peripherals | USB OTG FS/HS, 2x CAN 2.0B, Ethernet MAC (MII/RMII) |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
STM32F205VET7 Pin Configuration
| Pin 1 | PE2 — GPIO PE2, TRACECLK, FSMC_A23 |
| Pin 2 | PE3 — GPIO PE3, TRACED0, FSMC_A19 |
| Pin 3 | PE4 — GPIO PE4, TRACED1, FSMC_A20 |
| Pin 4 | PE5 — GPIO PE5, TRACED2, FSMC_A21 |
| Pin 5 | PE6 — GPIO PE6, TRACED3, FSMC_A22 |
| Pin 6 | VBAT — RTC backup supply input |
| Pin 7 | PC13 — GPIO PC13, TAMPER-RTC, anti-tamper |
| Pin 8 | PC14 — GPIO PC14, OSC32_IN, LSE crystal |
| Pin 9 | PC15 — GPIO PC15, OSC32_OUT, LSE crystal |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Digital supply voltage (1.8-3.6V) |
| Pin 12 | PH0 — GPIO PH0, OSC_IN, HSE crystal input |
| Pin 13 | PH1 — GPIO PH1, OSC_OUT, HSE crystal output |
| Pin 14 | NRST — Reset input (active low) |
| Pin 15 | PC0 — GPIO PC0, ADC12_IN10 |
| Pin 16 | PC1 — GPIO PC1, ADC12_IN11 |
| Pin 17 | PC2 — GPIO PC2, ADC12_IN12 |
| Pin 18 | PC3 — GPIO PC3, ADC12_IN13 |
| Pin 19 | VREF+ — ADC positive reference voltage |
| Pin 20 | VDDA — Analog supply voltage (1.8-3.6V) |
| Pin 21 | VSSA — Analog ground |
| Pin 22 | PA0 — GPIO PA0, ADC1_IN0, TIM2_CH1, WKUP |
| Pin 23 | PA1 — GPIO PA1, ADC1_IN1, TIM2_CH2 |
| Pin 24 | PA2 — GPIO PA2, ADC1_IN2, TIM2_CH3, USART2_TX |
| Pin 25 | PA3 — GPIO PA3, ADC1_IN3, TIM2_CH4, USART2_RX |
| Pin 26 | VSS — Ground reference |
| Pin 27 | VDD — Digital supply voltage (1.8-3.6V) |
| Pin 28 | PA4 — GPIO PA4, ADC1_IN4, DAC_OUT1, SPI1_NSS |
| Pin 29 | PA5 — GPIO PA5, ADC1_IN5, DAC_OUT2, SPI1_SCK |
| Pin 30 | PA6 — GPIO PA6, ADC1_IN6, SPI1_MISO, TIM3_CH1 |
| Pin 31 | PA7 — GPIO PA7, ADC1_IN7, SPI1_MOSI, TIM3_CH2 |
| Pin 32 | PC4 — GPIO PC4, ADC12_IN14 |
| Pin 33 | PC5 — GPIO PC5, ADC12_IN15 |
| Pin 34 | PB0 — GPIO PB0, ADC1_IN8, TIM3_CH3 |
| Pin 35 | PB1 — GPIO PB1, ADC1_IN9, TIM3_CH4 |
| Pin 36 | PB2 — GPIO PB2, BOOT1 |
| Pin 37 | PE7 — GPIO PE7, FSMC_D4 |
| Pin 38 | PE8 — GPIO PE8, FSMC_D5 |
| Pin 39 | PE9 — GPIO PE9, FSMC_D6 |
| Pin 40 | PE10 — GPIO PE10, FSMC_D7 |
| Pin 41 | PE11 — GPIO PE11, FSMC_D8 |
| Pin 42 | PE12 — GPIO PE12, FSMC_D9 |
| Pin 43 | PE13 — GPIO PE13, FSMC_D10 |
| Pin 44 | PE14 — GPIO PE14, FSMC_D11 |
| Pin 45 | PE15 — GPIO PE15, FSMC_D12 |
| Pin 46 | PB10 — GPIO PB10, I2C2_SCL, USART3_TX |
| Pin 47 | PB11 — GPIO PB11, I2C2_SDA, USART3_RX |
| Pin 48 | VSS — Ground reference |
| Pin 49 | VDD — Digital supply voltage (1.8-3.6V) |
| Pin 50 | PB12 — GPIO PB12, SPI2_NSS, I2S2_WS, CAN2_RX |
| Pin 51 | PB13 — GPIO PB13, SPI2_SCK, I2S2_CK, CAN2_TX |
| Pin 52 | PB14 — GPIO PB14, SPI2_MISO, TIM12_CH1 |
| Pin 53 | PB15 — GPIO PB15, SPI2_MOSI, TIM12_CH2 |
| 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_CLE |
| Pin 58 | PD12 — GPIO PD12, FSMC_ALE |
| Pin 59 | PD13 — GPIO PD13, FSMC_A18 |
| Pin 60 | VSS — Ground reference |
| Pin 61 | VDD — Digital supply voltage (1.8-3.6V) |
| Pin 62 | PD14 — GPIO PD14, FSMC_D0 |
| Pin 63 | PD15 — GPIO PD15, FSMC_D1 |
| Pin 64 | PC6 — GPIO PC6, TIM8_CH1, USART6_TX |
| Pin 65 | PC7 — GPIO PC7, TIM8_CH2, USART6_RX |
| Pin 66 | PC8 — GPIO PC8, TIM8_CH3 |
| Pin 67 | PC9 — GPIO PC9, TIM8_CH4 |
| Pin 68 | PA8 — GPIO PA8, USART1_CK, TIM1_CH1, 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, USB OTG DM, CAN1_RX |
| Pin 72 | PA12 — GPIO PA12, USB OTG DP, CAN1_TX |
| Pin 73 | PA13 — GPIO PA13, JTMS-SWDIO |
| Pin 74 | VSS — Ground reference |
| Pin 75 | VDD — Digital supply voltage (1.8-3.6V) |
| Pin 76 | PA14 — GPIO PA14, JTCK-SWCLK |
| Pin 77 | PA15 — GPIO PA15, JTDI, SPI3_NSS, TIM2_CH1_ETR |
| Pin 78 | PC10 — GPIO PC10, UART4_TX, FSMC_D2 |
| Pin 79 | PC11 — GPIO PC11, UART4_RX, FSMC_D3 |
| Pin 80 | PC12 — GPIO PC12, UART5_TX, FSMC_D4 |
| Pin 81 | PD0 — GPIO PD0, FSMC_D2, CAN1_RX |
| Pin 82 | PD1 — GPIO PD1, FSMC_D3, CAN1_TX |
| Pin 83 | PD2 — GPIO PD2, UART5_RX, TIM3_ETR |
| Pin 84 | PD3 — GPIO PD3, FSMC_CLK, USART2_CTS |
| Pin 85 | PD4 — GPIO PD4, FSMC_NOE, USART2_RTS |
| Pin 86 | PD5 — GPIO PD5, FSMC_NWE, USART2_TX |
| Pin 87 | PD6 — GPIO PD6, FSMC_NWAIT, USART2_RX |
| Pin 88 | PD7 — GPIO PD7, FSMC_NE1, USART2_CK |
| Pin 89 | PB3 — GPIO PB3, JTDO, TRACESWO, SPI3_SCK, TIM2_CH2 |
| Pin 90 | PB4 — GPIO PB4, NJTRST, SPI3_MISO, TIM3_CH1 |
| Pin 91 | PB5 — GPIO PB5, I2C1_SMBAI, SPI3_MOSI, TIM3_CH2 |
| Pin 92 | PB6 — GPIO PB6, I2C1_SCL, USART1_TX, TIM4_CH1 |
| Pin 93 | PB7 — GPIO PB7, I2C1_SDA, USART1_RX, TIM4_CH2 |
| Pin 94 | BOOT0 — Boot mode select input |
| Pin 95 | PB8 — GPIO PB8, TIM4_CH3, I2C1_SCL, CAN1_RX |
| Pin 96 | PB9 — GPIO PB9, TIM4_CH4, I2C1_SDA, CAN1_TX |
| Pin 97 | PE0 — GPIO PE0, TIM4_ETR, FSMC_NBL0 |
| Pin 98 | PE1 — GPIO PE1, FSMC_NBL1 |
| Pin 99 | VSS — Ground reference |
| Pin 100 | VDD — Digital supply voltage (1.8-3.6V) |
Typical Applications
STM32F205VET7 is suitable for 7 applications: Industrial Motor Control (FOC / BLDC), USB OTG Peripherals and HID Devices, CAN-Based Industrial Fieldbus Nodes, Ethernet-Connected IoT Gateways, Human-Machine Interface (HMI) Panels, Audio Playback and Processing Devices, Medical Monitoring Equipment.
Industrial Motor Control (FOC / BLDC)
The STM32F205VET7 is well-suited for FOC (Field-Oriented Control) and BLDC motor control due to its 120MHz Cortex-M3 core with ART Accelerator, three 12-bit ADCs capable of simultaneous phase-current sampling at 1 MSPS, and 17 timers including advanced PWM timers with complementary outputs and programmable dead-time insertion. The 100KB SRAM accommodates control loops, observer states, and protocol buffers. Compared to FOC on the older F1 series, the F2 provides 2x the CPU throughput and adds DMA streams for low-overhead ADC triggering. Use the STM32F205VET7 with STM32 MC SDK for sensorless or sensored control of PMSM, induction, and stepper motors in industrial drives and servo amplifiers.
Recommended
USB OTG Peripherals and HID Devices
The STM32F205VET7's USB OTG full-speed and high-speed controller with on-chip PHY supports device, host, and On-The-Go modes directly. The 512KB Flash comfortably fits USB stacks such as ST's USB Device Library plus composite HID/CDC/DFU classes. Internal DMA streams offload data movement between the USB endpoint SRAM and application buffers. Compared to F1's USB FS-only controller, the F2 adds HS-OTG with 480 Mbps throughput — critical for high-bandwidth applications like USB mass storage, audio class devices, and image transfer peripherals. Pair with the STM32F205VET7 USB Type-C connector implementation following the Type-C PD specification when powered-role swap is required.
Recommended
CAN-Based Industrial Fieldbus Nodes
The STM32F205VET7 integrates two CAN 2.0B interfaces that support both standard (11-bit) and extended (29-bit) identifier formats at bit rates up to 1 Mbit/s. Combined with bxCAN hardware filters and time-triggered CAN (TTCAN) support, the F2 is well-matched to industrial fieldbus protocols such as CANopen, DeviceNet, and J1939. The 100KB SRAM and 512KB Flash hold CANopen stack libraries plus application logic. The Cortex-M3 at 120MHz runs protocol stacks deterministically without wait states thanks to ART Accelerator. Use the STM32F205VET7 in PLC fieldbus modules, industrial sensor hubs, and CAN-based motion-control networks where dual CAN channels allow bridging and gateway functions.
Recommended
Ethernet-Connected IoT Gateways
The STM32F205VET7 includes a 10/100 Ethernet MAC with MII and RMII interfaces — sufficient to drive external PHYs such as the LAN8720A or DP83848. The LwIP TCP/IP stack runs comfortably on 100KB SRAM with pbuf buffering for typical IoT message rates. Hardware crypto acceleration is absent (use F217 for that), but TLS libraries compiled into Flash still fit within 512KB for client-side authentication. The 120MHz CPU handles HTTP/MQTT/CoAP stacks with low latency. Use the STM32F205VET7 for Modbus TCP, BACnet, or MQTT-SN gateways that bridge industrial sensors to cloud backends over Ethernet.
Recommended
Human-Machine Interface (HMI) Panels
The STM32F205VET7 drives TFT LCDs up to 2.8 inch with parallel RGB interfaces through its FSMC (Flexible Static Memory Controller) and the integrated DMA2D graphics accelerator for image composition. With 100KB SRAM for framebuffers and 512KB Flash for LVGL/ugfx graphics stacks, the F2 handles button menus, gauges, and basic animations. The 12-bit DAC can drive audio feedback on beepers. Compared to F103, the F2 doubles CPU performance and adds DMA2D for smooth GUI updates. Use the STM32F205VET7 in appliance control panels, building-automation touchscreens, and equipment-status displays where a small graphical UI is needed.
Recommended
Audio Playback and Processing Devices
The STM32F205VET7 supports audio through its I2S interfaces, two 12-bit DACs, and DMA-driven sample streams. The 100KB SRAM holds ping-pong audio buffers for glitch-free playback at 44.1 kHz or 48 kHz sample rates, while 512KB Flash stores compressed audio formats like ADPCM, Opus, or MP3 streams. The Cortex-M3 at 120MHz runs audio codecs and effects (EQ, reverb) in real time. Compared to F103, the F2's I2S full-duplex support enables simultaneous record and playback for intercom-style devices. Use the STM32F205VET7 in audio mixers, voice prompt modules, and portable Bluetooth speaker controllers (paired with an external BT module).
Recommended
Medical Monitoring Equipment
The STM32F205VET7's 12-bit ADC resolution at 1 MSPS, paired with analog op-amp front-ends, captures bio-signal waveforms from ECG, pulse oximetry, or temperature sensors. The ART Accelerator ensures deterministic sampling intervals, important for timing-critical medical waveforms. USB OTG HS allows high-speed data upload to host PCs, while the Ethernet MAC supports networked patient monitors. Operating temperature of -40C to +105C accommodates clinical environments. Use the STM32F205VET7 in portable patient monitors, glucose meters with logging, and digital stethoscope signal-conditioning units where reliable low-noise analog acquisition and connectivity are required.
Recommended
Recommended Products Summary
Engineering reference data for STM32F205VET7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F205VGT6 | STM32F205VCT6 | STM32F207VGT6 | STM32F205VET7TR | STM32F205VFT7 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | LQFP-100 (14x14 mm) | LQFP-100 (14x14 mm) - same | LQFP-100 (14x14 mm) - same | LQFP-100 (14x14 mm) - same | LQFP-100 (14x14 mm) - same | LQFP-100 (14x14 mm) - same |
| Flash Memory | 512 KB | 1 MB (+100%) | 256 KB (-50%) | 1 MB (+100%) | 512 KB (same) | 768 KB (+50%) |
| SRAM | 100 KB | 128 KB (+28%) | 100 KB (same) | 128 KB (+28%) | 100 KB (same) | 100 KB (same) |
| Core / Max Frequency | Cortex-M3 / 120 MHz | Cortex-M3 / 120 MHz (same) | Cortex-M3 / 120 MHz (same) | Cortex-M3 / 120 MHz (same) | Cortex-M3 / 120 MHz (same) | Cortex-M3 / 120 MHz (same) |
| Crypto Accelerator | No | No | No | Yes (AES, SHA, TRNG) | No | No |
| Operating Temperature | -40C to +105C | -40C to +85C (grade 6) | -40C to +85C (grade 6) | -40C to +85C (grade 6) | -40C to +105C (same) | -40C to +105C (same) |
| Unit Price (1pc) | $13.50 | $15.20 (+13%) | $11.80 (-13%) | $17.40 (+29%) | $13.50 (same) | $14.50 (+7%) |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
Key Differentiators
- Higher Flash density at same LQFP-100 footprint (vs STM32F205VCT6)
- Industrial temperature grade (-40C to +105C) vs commercial grade (vs STM32F205VGT6)
- Dual CAN interfaces in a single MCU (vs STM32F103VET6)
Design Notes
Estimated: At 120 MHz CPU and 3.3V VDD, the STM32F205VET7 draws approximately 50-70 mA in active run-mode with peripherals enabled. Each VDD pin must have its own 100nF ceramic decoupling cap placed within 5 mm of the pin; add a 4.7uF bulk capacitor on VDDA. For low-EMI designs, place a ferrite bead in series with VDDA fed from the main 3.3V rail, then decouple with 100nF + 1uF close to the VDDA pin. Enable the internal voltage regulator's power-on reset window by holding NRST low for at least 1 ms during cold boot.
Estimated: The LQFP-100 (14x14) package has typical theta_JA of ~50 C/W on a 2-layer PCB with no thermal vias. Under full load (Cortex-M3 at 120 MHz, all peripherals active), die power dissipation is approximately 200 mW, resulting in a 10 C junction temperature rise above ambient at room temperature — well within the 105 C operating limit. For high-ambient-temperature (>60 C) enclosures, place a copper pour under the exposed pad (where present) and add stitching vias for heat spreading. Avoid placing the MCU adjacent to power dissipating components to prevent thermal coupling.
Use STM32CubeIDE's STM32CubeMX tool to generate the pinout and PCB library for the LQFP-100 footprint. The 0.5 mm pitch requires 0.25 mm trace/space with 0.20 mm drill; with 1 oz copper, keep power traces to at least 0.5 mm width. Place the 8 MHz HSE crystal within 5 mm of OSC_IN/OSC_OUT (PH0/PH1), guarded by a GND ring connected to the ground plane. Similarly, the 32.768 kHz LSE crystal must be close to PC14/PC15. Avoid routing high-speed signals (USB DP/DM, Ethernet MII/RMII) under the crystal traces to prevent coupling.
Do not leave BOOT0 floating — tie it to GND through a 10 kohm resistor to select main-Flash boot, or to VDD for system-memory bootloader. The NRST pin must have a 10 kohm pull-up to VDD and a 100nF cap to GND to filter noise; omit the cap only if your reset supervisor drives NRST directly. The PA11/PA12 USB pins require 22 ohm series resistors when using HS-OTG; FS-OTG may not need them but adding them improves signal integrity. When migrating code from STM32F103 to F205, verify peripheral register names — some F1 registers are renamed (e.g. RCC->CFGR vs RCC->CFGR on F1). Use ST's STM32F2 Standard Peripheral Library or HAL for portable code.
Compliance Information
RoHS and REACH compliant per STMicroelectronics product declaration. Lead-free (Pb-free) matte-tin finish. Halogen-free per ST documentation. AEC-Q100 not applicable — this is a general-purpose industrial MCU, not an automotive-qualified part; for AEC-Q100 grade, use the STM32F205VET6 (grade 6) or contact ST for automotive-grade variants. Conflict-minerals compliant per ST CMRT filings.
