STM32F205VGT6 - 120MHz ARM Cortex-M3 MCU 1MB Flash | STMicroelectronics
MPN: STM32F205VGT6 ✓ Hoạt độngSTM32F205VGT6 Tóm tắt
An ARM Cortex-M3 microcontroller (MCU) is a 32-bit RISC processor core designed by Arm for embedded systems, featuring deterministic interrupt latency, Thumb-2 instruction set, and optional hardware multiply-accumulate. Within the broader taxonomy, the Cortex-M3 sits under Arm Cortex-M → 32-bit MCU → embedded microcontroller → semiconductor IC. The STM32F2 family specifically targets applications that require high computational throughput plus rich connectivity (USB OTG, Ethernet, CAN, SDIO) without the higher cost of Cortex-M4 parts.
Key features include 82 GPIO pins, three 12-bit ADCs (up to 2.4 MSPS), two 12-bit DACs, 17 timers, USB OTG Full-Speed and High-Speed, 10/100 Ethernet MAC, two CAN 2.0B controllers, an SDIO interface, and a camera interface. The integrated 4 KB backup SRAM retains data in standby mode while consuming only a few microamperes, and the part supports four low-power modes (Sleep, Stop, Standby, and VBAT) for battery-powered designs.
The architecture uses a multi-AHB bus matrix with separate buses for SRAM, Flash, and peripherals, allowing parallel DMA transfers and Cortex-M3 core execution without contention. The 120 MHz clock is sourced from an internal 16 MHz RC oscillator (with PLL) or an external 4-26 MHz crystal, enabling flexible system clock trees. Cryptographic and FSMC functions are NOT included on the F205 sub-line (those land on the F207 sub-line), which keeps this part cost-optimized for non-crypto applications.
Typical applications include industrial control (PLCs, motor drives, factory automation), medical equipment (patient monitors, diagnostic peripherals), consumer electronics (home appliances, audio devices with USB), networking (Ethernet-enabled IoT gateways, smart sensors), and human-machine interfaces (touchscreen controllers, graphical displays). The 1 MB Flash and 132 KB SRAM also suit firmware-over-the-air (FOTA) updates with rollback image storage.
When designing with the STM32F205VGT6, ensure your PCB layout places the 100-pin LQFP's exposed pad (if present on the variant) onto a ground copper pour for thermal dissipation, and follow ST's application note AN2867 for oscillator PCB layout. Decouple VDD/VDDA/VBAT with 100 nF ceramic capacitors placed within 2 mm of each supply pin, and add a 4.7 uF bulk capacitor per supply rail. VDD operating range is 1.8-3.6 V (the V suffix), so verify your LDO selection covers this range with adequate transient response.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate second-source options and PCB migration paths for the STM32F205VGT6.
Bộ thay thế dễ dàng lắp đặt cho STM32F205VGT6 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với STM32F205VGT6 (cùng hình factor và footprint) — khác nhau ở Package, SRAM, Flash Memory, Operating Temperature Range, Timers.
STM32F207VGT6
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →STM32F205VET7
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →GD32F205VGT6
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
STM32F207VFT6
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
STM32F205VGT6 Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M3 32-bit RISC |
| Tần số xung maksimum | 120 MHz |
| Performance | 150 DMIPs |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 132 KB |
| Number of I/O Pins | 82 |
| Hộp | 100-LQFP (14x14 mm) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| ADC | 3x 12-bit, up to 2.4 MSPS |
| DAC | 2x 12-bit |
| Timers | 17 (including 1 systick) |
| Communication Interfaces | USB OTG HS/FS, 10/100 Ethernet, 2x CAN 2.0B, 3x SPI, 3x I2C, 6x USART/UART, SDIO |
| Camera Interface | Yes (8/10/12/14-bit) |
| FSMC | Yes (external memory bus) |
| Cryptographic Accelerator | No (not present on F205 line) |
| Khoảng nhiệt độ hoạt động | -40C to +85C (grade 6) |
| Kiểu lắp đặt | Surface Mount (LQFP) |
| Trạng thái RoHS | Compliant |
Cấu hình chân STM32F205VGT6
| Chân 1 | PE2 — GPIO PE2 / TRACECLK / FSMC_A23 |
| Chân 2 | PE3 — GPIO PE3 / TRACED0 / FSMC_A19 |
| Chân 3 | PE4 — GPIO PE4 / TRACED1 / FSMC_A20 |
| Chân 4 | PE5 — GPIO PE5 / TRACED2 / FSMC_A21 |
| Chân 5 | PE6 — GPIO PE6 / TRACED3 / FSMC_A22 |
| Chân 6 | VBAT — Battery domain supply for RTC and backup SRAM |
| Chân 7 | PC13 — GPIO PC13 / RTC_TAMP1 (anti-tamper) |
| Chân 8 | PC14 — GPIO PC14 / OSC32_IN (LSE crystal) |
| Chân 9 | PC15 — GPIO PC15 / OSC32_OUT (LSE crystal) |
| Chân 10 | VSS — Digital ground |
| Chân 11 | VDD — Digital supply 1.8-3.6V |
| Chân 12 | OSC_IN — HSE crystal input (4-26 MHz) |
| Chân 13 | OSC_OUT — HSE crystal output |
| Chân 14 | NRST — Reset input (active low) |
| Chân 15 | PC0 — GPIO PC0 / ADC123_IN10 |
| Chân 16 | PC1 — GPIO PC1 / ADC123_IN11 |
| Chân 17 | PC2 — GPIO PC2 / ADC123_IN12 |
| Chân 18 | PC3 — GPIO PC3 / ADC123_IN13 |
| Chân 19 | VREF+ — ADC positive reference |
| Chân 20 | VSSA — Analog ground |
| Chân 21 | VDDA — Analog supply 1.8-3.6V |
| Chân 22 | PA0 — GPIO PA0 / WKUP / TIM2_CH1 / ADC123_IN0 |
| Chân 23 | PA1 — GPIO PA1 / TIM2_CH2 / ADC123_IN1 |
| Chân 24 | PA2 — GPIO PA2 / USART2_TX / TIM5_CH3 / ADC123_IN2 |
| Chân 25 | PA3 — GPIO PA3 / USART2_RX / TIM5_CH4 / ADC123_IN3 |
| Chân 26 | VSS — Digital ground |
| Chân 27 | VDD — Digital supply 1.8-3.6V |
| Chân 28 | PA4 — GPIO PA4 / SPI1_NSS / USART2_CK / DAC_OUT1 / ADC12_IN4 |
| Chân 29 | PA5 — GPIO PA5 / SPI1_SCK / DAC_OUT2 / ADC12_IN5 |
| Chân 30 | PA6 — GPIO PA6 / SPI1_MISO / TIM3_CH1 / ADC12_IN6 |
| Chân 31 | PA7 — GPIO PA7 / SPI1_MOSI / TIM3_CH2 / ADC12_IN7 |
| Chân 32 | PB0 — GPIO PB0 / TIM3_CH3 / ADC12_IN8 |
| Chân 33 | PB1 — GPIO PB1 / TIM3_CH4 / ADC12_IN9 |
| Chân 34 | PB2 — GPIO PB2 / BOOT1 |
| Chân 35 | PB10 — GPIO PB10 / I2C2_SCL / USART3_TX / FSMC_D10 |
| Chân 36 | PB11 — GPIO PB11 / I2C2_SDA / USART3_RX / FSMC_D11 |
| Chân 37 | VSS — Digital ground |
| Chân 38 | VDD — Digital supply 1.8-3.6V |
| Chân 39 | PB12 — GPIO PB12 / SPI2_NSS / I2C2_SMBAI / FSMC_D12 |
| Chân 40 | PB13 — GPIO PB13 / SPI2_SCK / FSMC_D13 |
| Chân 41 | PB14 — GPIO PB14 / SPI2_MISO / USB_HS_DM |
| Chân 42 | PB15 — GPIO PB15 / SPI2_MOSI / USB_HS_DP |
| Chân 43 | PD8 — GPIO PD8 / FSMC_D14 |
| Chân 44 | PD9 — GPIO PD9 / FSMC_D15 |
| Chân 45 | PD10 — GPIO PD10 / FSMC_FMCLE |
| Chân 46 | PD11 — GPIO PD11 / FSMC_FMCNR |
| Chân 47 | PD12 — GPIO PD12 / FSMC_A16 / TIM4_CH1 |
| Chân 48 | PD13 — GPIO PD13 / FSMC_A17 / TIM4_CH2 |
| Chân 49 | VSS — Digital ground |
| Chân 50 | VDD — Digital supply 1.8-3.6V |
| Chân 51 | PD14 — GPIO PD14 / FSMC_D0 |
| Chân 52 | PD15 — GPIO PD15 / FSMC_D1 / TIM4_CH4 |
| Chân 53 | PG2 — GPIO PG2 / FSMC_A12 |
| Chân 54 | PG3 — GPIO PG3 / FSMC_A13 |
| Chân 55 | PG4 — GPIO PG4 / FSMC_A14 |
| Chân 56 | PG5 — GPIO PG5 / FSMC_A15 |
| Chân 57 | PG6 — GPIO PG6 / FSMC_INT2 |
| Chân 58 | PG7 — GPIO PG7 / FSMC_INT3 |
| Chân 59 | PG8 — GPIO PG8 |
| Chân 60 | VSS — Digital ground |
| Chân 61 | VDD — Digital supply 1.8-3.6V |
| Chân 62 | PC6 — GPIO PC6 / TIM3_CH1 / USART6_TX / FSMC_NWAIT / SDIO_D6 |
| Chân 63 | PC7 — GPIO PC7 / TIM3_CH2 / USART6_RX / FSMC_NE3 / SDIO_D7 |
| Chân 64 | PC8 — GPIO PC8 / TIM3_CH3 / USART6_CK / SDIO_D0 |
| Chân 65 | PC9 — GPIO PC9 / TIM3_CH4 / I2C3_SDA / SDIO_D1 |
| Chân 66 | PA8 — GPIO PA8 / USART1_CK / TIM1_CH1 / MCO1 |
| Chân 67 | PA9 — GPIO PA9 / USART1_TX / TIM1_CH2 / OTG_FS_VBUS |
| Chân 68 | PA10 — GPIO PA10 / USART1_RX / TIM1_CH3 / OTG_FS_ID |
| Chân 69 | PA11 — GPIO PA11 / USART1_CTS / CAN1_RX / OTG_FS_DM |
| Chân 70 | PA12 — GPIO PA12 / USART1_RTS / CAN1_TX / OTG_FS_DP |
| Chân 71 | PA13 — GPIO PA13 / JTMS-SWDIO |
| Chân 72 | VSS — Digital ground |
| Chân 73 | VDD — Digital supply 1.8-3.6V |
| Chân 74 | PA14 — GPIO PA14 / JTCK-SWCLK |
| Chân 75 | PA15 — GPIO PA15 / JTDI / SPI3_NSS / TIM2_CH1_ETR |
| Chân 76 | PC10 — GPIO PC10 / UART4_TX / FSMC_NE2 / SDIO_D2 |
| Chân 77 | PC11 — GPIO PC11 / UART4_RX / FSMC_NCE4_1 / SDIO_D3 |
| Chân 78 | PC12 — GPIO PC12 / UART5_TX / FSMC_CLE / SDIO_CK |
| Chân 79 | PD0 — GPIO PD0 / FSMC_D2 / CAN1_RX |
| Chân 80 | PD1 — GPIO PD1 / FSMC_D3 / CAN1_TX |
| Chân 81 | PD2 — GPIO PD2 / TIM3_ETR / UART5_RX / SDIO_CMD |
| Chân 82 | PD3 — GPIO PD3 / FSMC_CLK |
| Chân 83 | PD4 — GPIO PD4 / FSMC_NOE |
| Chân 84 | PD5 — GPIO PD5 / FSMC_NWE |
| Chân 85 | VSS — Digital ground |
| Chân 86 | VDD — Digital supply 1.8-3.6V |
| Chân 87 | PD6 — GPIO PD6 / FSMC_NWAIT / UART2_RX |
| Chân 88 | PD7 — GPIO PD7 / FSMC_NCE2 / UART2_TX |
| Chân 89 | PB3 — GPIO PB3 / JTDO / SPI3_SCK / TIM2_CH2 |
| Chân 90 | PB4 — GPIO PB4 / NJTRST / SPI3_MISO / TIM3_CH1 |
| Chân 91 | PB5 — GPIO PB5 / SPI3_MOSI / I2C1_SMBAI / TIM3_CH2 |
| Chân 92 | PB6 — GPIO PB6 / I2C1_SCL / TIM4_CH1 / USART1_TX |
| Chân 93 | PB7 — GPIO PB7 / I2C1_SDA / TIM4_CH2 / USART1_RX |
| Chân 94 | BOOT0 — Boot mode select (0=Flash, 1=System memory bootloader) |
| Chân 95 | PB8 — GPIO PB8 / TIM4_CH3 / I2C1_SCL / CAN1_RX |
| Chân 96 | PB9 — GPIO PB9 / TIM4_CH4 / I2C1_SDA / CAN1_TX |
| Chân 97 | PE0 — GPIO PE0 / TIM4_ETR / FSMC_NBL0 |
| Chân 98 | PE1 — GPIO PE1 / FSMC_NBL1 |
| Chân 99 | VSS — Digital ground |
| Chân 100 | VDD — Digital supply 1.8-3.6V |
Ứng dụng tiêu biểu
STM32F205VGT6 phù hợp cho 7 Áp dụngs: Industrial Motor Control, Medical Patient Monitoring, Ethernet-Enabled IoT Gateways, USB Consumer Audio Devices, Human-Machine Interface (HMI) Controllers, Industrial PLC and Process Controllers, Smart Sensor Hubs with FOTA.
Industrial Motor Control
The STM32F205VGT6 fits mid-range industrial motor drives (BLDC, PMSM, AC induction) up to several kW. Its 17 timers include advanced PWM timers with complementary outputs and programmable dead-time insertion, critical for three-phase inverter switching. The three 12-bit ADCs (2.4 MSPS) sample phase currents simultaneously for field-oriented control (FOC). At 120 MHz the Cortex-M3 executes sensorless FOC loops under 10 kHz with margin. The 100-LQFP package exposes 82 GPIO for encoder interfaces, gate driver enable signals, and protection circuitry. The 132 KB SRAM accommodates observer state variables and speed controller history. ST's MC SDK provides ready-to-use FOC firmware with sensorless and sensored algorithms. Power dissipation is moderate (typically 200-300 mW), so the 100-LQFP needs no heatsink for industrial cabinet environments.
Được đề xuất
Medical Patient Monitoring
The STM32F205VGT6 powers portable and bedside patient monitors (SpO2, multi-parameter monitors, infusion pumps) where its 1 MB Flash stores signal-processing firmware and 132 KB SRAM holds real-time waveform buffers. The 12-bit ADC at 2.4 MSPS samples ECG, PPG, and respiration waveforms at clinical sampling rates (typically 500 Hz-1 kHz per channel). The Cortex-M3 DSP extensions accelerate FFT-based heart rate variability (HRV) analysis and pulse oximetry algorithms. USB OTG Full-Speed connects to host PCs for data export, while the camera interface supports integration with future AI-assisted diagnostic cameras. The 100-LQFP package is RoHS-compliant and the -40C to +85C range covers clinical environments. For IEC 60601-1 medical safety compliance, isolate the USB and Ethernet using ADuM3160/ADuM5401 digital isolators around the MCU.
Được đề xuất
Ethernet-Enabled IoT Gateways
The STM32F205VGT6's integrated 10/100 Ethernet MAC with MII/RMII interface enables IoT gateways, smart sensors, and industrial protocol converters. The 1 MB Flash stores TCP/IP stacks (lwIP or FreeRTOS+TCP) plus application firmware, while 132 KB SRAM buffers MQTT/CoAP message queues. The Cortex-M3 at 120 MHz comfortably handles TLS handshake computations and JSON parsing. Two CAN 2.0B controllers bridge to industrial CANopen or J1939 networks. The USB OTG High-Speed interface connects to 4G/LTE dongles for cellular uplink. ST's X-CUBE-AWS or X-CUBE-AZURE expansion packages provide cloud connectivity reference implementations. The 100-LQFP exposes 82 GPIO for digital inputs/outputs in DIN-rail mounted gateways. Power consumption in Run mode is around 70 mA, dropping below 10 mA in Standby mode for battery-backed installations.
Được đề xuất
USB Consumer Audio Devices
The STM32F205VGT6 powers USB audio devices such as USB headphones, audio interfaces, and MIDI controllers. Its USB OTG Full-Speed peripheral supports USB Audio Class 1.0/2.0 device profiles at up to 12 Mbps, sufficient for 24-bit/96 kHz stereo audio streaming. The Cortex-M3 with DSP instructions handles real-time audio mixing, equalization, and ASIO buffer management. The 132 KB SRAM provides headroom for 4-8 ms audio buffer plus effect processing state. The 100-LQFP's 82 GPIO drive LED VU meters, button matrices, and rotary encoder inputs. ST's USB Device Library provides ready-to-use USB Audio class drivers. The part's -40C to +85C range suits consumer indoor environments. Note that for higher-end 32-bit/192 kHz multichannel audio, consider the STM32F4 line with its hardware FPU.
Được đề xuất
Human-Machine Interface (HMI) Controllers
The STM32F205VGT6 drives HMI panels in appliances, industrial machines, and building automation with TFT LCD or touch displays. The FSMC (Flexible Static Memory Controller) interfaces directly to parallel TFT displays up to 4.3 inch at QVGA/WQVGA resolution, offloading pixel data writes from the core. The 1 MB Flash stores GUI assets, fonts, and FreeRTOS+emWin or LVGL graphics frameworks. 132 KB SRAM holds framebuffer lines for double-buffered rendering. The SDIO interface connects to microSD cards for logging or asset updates. USB OTG supports firmware updates via USB stick. The 100-LQFP exposes GPIO for keypad matrices, LED backlight drivers, and resistive touch controller interfaces. ST's TouchGFX portfolio provides modern UIs on this MCU class, though 64-LQFP variants may suit smaller displays.
Được đề xuất
Industrial PLC and Process Controllers
The STM32F205VGT6 is well-suited for compact industrial PLCs, remote I/O modules, and process controllers in factory automation. Its two CAN 2.0B controllers interface with CANopen or DeviceNet slave modules, while the 10/100 Ethernet MAC supports PROFINET, EtherCAT (via ET1100 ASIC), or Modbus TCP. The 17 timers generate PWM outputs for valve control, stepper motor sequencing, and pulse counting for flow meters. The three 12-bit ADCs digitize 4-20 mA analog sensor inputs (current sense resistors) at industrial sampling rates. The FSMC bus can interface to external SRAM for data logging. The 1 MB Flash stores ladder logic interpreter or IEC 61131-3 runtime plus communication stacks. The 100-LQFP's wide GPIO count (82) addresses 32+ digital I/O on a single MCU. Industrial temperature grade -40C to +85C is standard for cabinet-mounted equipment.
Được đề xuất
Smart Sensor Hubs with FOTA
The STM32F205VGT6 acts as a smart sensor hub aggregating I2C/SPI/UART sensor data and uploading via Ethernet or USB. Its 1 MB Flash supports dual-image firmware-over-the-air (FOTA) with rollback, critical for IoT devices deployed in the field. The 132 KB SRAM buffers sensor fusion computations (Kalman filters) and message queues. USB OTG High-Speed enables wired commissioning via USB stick. The 100-LQFP's GPIO count supports multiple sensor breakouts (I2C mux, SPI peripherals). ST's X-CUBE-IOTA1S firmware library integrates with the IOTA distributed ledger for tamper-proof sensor logging. The Cortex-M3 DSP extensions accelerate FFT and other signal-processing algorithms. For battery-powered installations, leverage the part's Stop and Standby modes drawing microamps while retaining 4 KB backup SRAM.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho STM32F205VGT6 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | STM32F207VGT6 | STM32F205VET7 | STM32F205RGT6 | GD32F205VGT6 | STM32F207VFT6 |
|---|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 64-LQFP - different | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice | STMicroelectronics |
| Flash Memory | 1 MB | 1 MB | 512 KB (-50%) | 1 MB | 1 MB | 768 KB (-25%) |
| SRAM | 132 KB | 132 KB | 64 KB (-52%) | 132 KB | 132 KB | 132 KB |
| Crypto Accelerator | No | Yes (AES/hash/TRNG) | No | No | No | Yes (AES/hash/TRNG) |
| IEEE 1588v2 | No | Yes | No | No | No | Yes |
| Maximum Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +105C | -40C to +85C | -40C to +85C | -40C to +85C |
| Approx Unit Price (qty 1000) | $8.10 | $9.50 | $6.80 | $7.50 | $5.40 | $9.20 |
Bảo phân biệt quan trọng
- 1 MB Flash for dual-image FOTA with rollback storage (vsSTM32F205VET7)
- Cost-optimized without cryptographic peripherals (vsSTM32F207VGT6)
- Cross-brand second-source availability via GigaDevice GD32F205 (vsGD32F205VGT6)
Ghi chú thiết kế
Place 100 nF decoupling capacitors within 2 mm of every VDD/VDDA pin on the 100-LQFP package, and add one 4.7 uF bulk capacitor per supply rail. The 100-LQFP's 14x14 mm footprint requires a 4-layer PCB with a solid ground plane for stable ADC readings. Per ST application note AN2867, keep the HSE crystal traces short (less than 5 mm) and surround them with a ground guard ring to minimize EMI susceptibility. The VBAT pin must be tied to a backup battery or VDD via a 0.1 uF capacitor; floating VBAT causes unexpected RTC resets.
The 100-LQFP variant has no exposed thermal pad, so dissipation is limited to ~1 W at room temperature without airflow. At 120 MHz with all peripherals enabled, the core draws approximately 70 mA at 3.3 V (230 mW). For USB OTG applications, supply a stable 3.3 V via an LDO with at least 200 mA capacity; USB suspend mode drops consumption below 100 uA. Use the part's Stop and Standby modes for battery-backed designs, retaining 4 KB backup SRAM and the RTC.
Do not confuse the STM32F205 line with the F207 line when sourcing crypto-enabled firmware - the F205 has no AES/hash/TRNG accelerators. Also verify the boot pins: BOOT0=0 selects main Flash boot, BOOT0=1 selects system memory bootloader. Pulling NRST low for at least 1 us triggers a hardware reset; ensure your reset circuit uses an open-drain driver with a 100 kohm pull-up. For Ethernet applications, the integrated MAC requires an external PHY (e.g., DP83848KSQ) connected via MII or RMII; do not assume the PHY is internal.
When using the FSMC bus with external SRAM or parallel TFT displays, route the data/address/control lines in groups of 8 bits with matched trace lengths to avoid timing skew. The SDIO bus to microSD cards requires series termination resistors (22-33 ohm) close to the STM32 pins if the card is mounted more than 50 mm from the MCU. For USB OTG High-Speed, the differential pair (PB14/PB15 for HS) requires 90 ohm differential impedance - use a 4-layer PCB stack-up with controlled impedance.
Thông tin tuân thủ
RoHS compliant per ST product page. Not AEC-Q100 qualified - this part targets industrial and consumer markets, not automotive. For automotive applications use STM32F205VGT6 automotive-grade equivalent.
