STM32L486VGT6 - ARM Cortex-M4F MCU 1MB Flash | STMicroelectronics
MPN: STM32L486VGT6 ✓ Hoạt độngSTM32L486VGT6 Tóm tắt
What is an ARM Cortex-M4F microcontroller? It is a 32-bit processor core designed for embedded systems that require a balance of performance, energy efficiency, and advanced digital signal processing. The Cortex-M4F includes a single-precision FPU and DSP instructions, making it suitable for applications involving real-time control, sensor fusion, and audio processing. In the system hierarchy, it sits above simple 8-bit MCUs but below application processors, offering deterministic real-time behavior with low power consumption.
Key features of the STM32L486VGT6 include an ultra-low-power mode with 100 nA shutdown current, a 12-bit ADC with 5 MSPS, two 12-bit DACs, multiple communication interfaces (USART, SPI, I2C, USB OTG FS, CAN, SAI), and a true random number generator (TRNG). It also integrates a cryptographic acceleration unit (AES, DES, and hash) for secure applications. The device supports a wide supply voltage range of 1.71V to 3.6V, making it ideal for battery-powered devices.
The STM32L486VGT6 is built on ST's ultra-low-power technology, featuring multiple low-power modes (Sleep, Low-power Run, Low-power Sleep, Stop 2, Standby, Shutdown) that allow designers to optimize energy consumption. The FlexPowerControl feature enables independent power domains for the core, I/Os, and backup domain, providing flexibility in power management. The device also includes a 32-bit low-power timer, a real-time clock (RTC) with calendar, and a touch sensing controller.
Typical applications include industrial sensors, smart meters, medical devices, wearable electronics, and IoT nodes. Its combination of low power, high performance, and rich peripherals makes it suitable for applications requiring long battery life without compromising on processing capability. For example, in a smart meter, the STM32L486VGT6 can handle metrology calculations, communication protocols, and display control while maintaining low average power consumption.
When designing with this device, pay attention to the power supply decoupling: place a 100 nF capacitor close to each VDD pin and a 4.7 uF capacitor at the main supply. For low-power operation, configure unused GPIOs as analog inputs to avoid leakage currents. The device supports in-application programming (IAP) and in-circuit programming (ICP) via SWD or JTAG, facilitating firmware updates in the field.
Bộ thay thế dễ dàng lắp đặt cho STM32L486VGT6 — 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 STM32L486VGT6 (cùng hình factor và footprint) — khác nhau ở Core, Flash Memory, SRAM, ADC, Communication Interfaces.
STM32L486VGT6TR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
STM32L486VGT7
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
STM32L476VGT6
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →STM32L496VGT6
✅ Drop-In ⚠️ Thông số chưa được xác minh✗ Hết hàng
$9.5455 / Đơn vị
Xem tài liệu →GD32F450VGT6
⚡ Đồng gói ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32L486VGT6 Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M4F |
| Maximum Frequency | 80 MHz |
| Flash Memory | 1 MB |
| SRAM | 128 KB |
| Hộp | 100-LQFP (14x14 mm) |
| Supply Voltage Range | 1.71 V to 3.6 V |
| DMIPS | 100 |
| ADC | 12-bit, 5 MSPS |
| DAC | 2x 12-bit |
| Communication Interfaces | USART, SPI, I2C, USB OTG FS, CAN, SAI |
| Cryptographic Acceleration | AES, DES, Hash |
| True Random Number Generator | Yes |
| Low-Power Modes | Sleep, Low-power Run, Low-power Sleep, Stop 2, Standby, Shutdown |
| Điện áp tắt | 100 nA |
| Nhiệt độ hoạt động | -40C to +85C |
| Trạng thái RoHS | Compliant |
Cấu hình chân STM32L486VGT6
| Chân 1 | PE2 — GPIO / TRACECLK |
| Chân 2 | PE3 — GPIO / TRACED0 |
| Chân 3 | PE4 — GPIO / TRACED1 |
| Chân 4 | PE5 — GPIO / TRACED2 |
| Chân 5 | PE6 — GPIO / TRACED3 |
| Chân 6 | VBAT — Battery backup supply |
| Chân 7 | PC13 — GPIO / RTC_TAMP1 |
| Chân 8 | PC14 — GPIO / OSC32_IN |
| Chân 9 | PC15 — GPIO / OSC32_OUT |
| Chân 10 | PF0 — GPIO / OSC_IN |
| Chân 11 | PF1 — GPIO / OSC_OUT |
| Chân 12 | NRST — Reset |
| Chân 13 | PC0 — GPIO / ADC_IN10 |
| Chân 14 | PC1 — GPIO / ADC_IN11 |
| Chân 15 | PC2 — GPIO / ADC_IN12 |
| Chân 16 | PC3 — GPIO / ADC_IN13 |
| Chân 17 | VDD — Digital power supply |
| Chân 18 | VSS — Ground |
| Chân 19 | PC4 — GPIO / ADC_IN14 |
| Chân 20 | PC5 — GPIO / ADC_IN15 |
| Chân 21 | PB0 — GPIO / ADC_IN8 |
| Chân 22 | PB1 — GPIO / ADC_IN9 |
| Chân 23 | PB2 — GPIO / BOOT1 |
| Chân 24 | PB10 — GPIO / I2C2_SCL |
| Chân 25 | PB11 — GPIO / I2C2_SDA |
| Chân 26 | VDD — Digital power supply |
| Chân 27 | VSS — Ground |
| Chân 28 | PB12 — GPIO / SPI2_NSS |
| Chân 29 | PB13 — GPIO / SPI2_SCK |
| Chân 30 | PB14 — GPIO / SPI2_MISO |
| Chân 31 | PB15 — GPIO / SPI2_MOSI |
| Chân 32 | PC6 — GPIO / I2S2_MCK |
| Chân 33 | PC7 — GPIO / I2S2_SCK |
| Chân 34 | PC8 — GPIO / I2S2_SD |
| Chân 35 | PC9 — GPIO / I2S2_WS |
| Chân 36 | PA0 — GPIO / ADC_IN0 / WKUP1 |
| Chân 37 | PA1 — GPIO / ADC_IN1 |
| Chân 38 | PA2 — GPIO / ADC_IN2 / USART2_TX |
| Chân 39 | PA3 — GPIO / ADC_IN3 / USART2_RX |
| Chân 40 | VDD — Digital power supply |
| Chân 41 | VSS — Ground |
| Chân 42 | PA4 — GPIO / ADC_IN4 / DAC_OUT1 |
| Chân 43 | PA5 — GPIO / ADC_IN5 / DAC_OUT2 |
| Chân 44 | PA6 — GPIO / ADC_IN6 |
| Chân 45 | PA7 — GPIO / ADC_IN7 |
| Chân 46 | PC10 — GPIO / USART3_TX |
| Chân 47 | PC11 — GPIO / USART3_RX |
| Chân 48 | PC12 — GPIO / USART3_CK |
| Chân 49 | PD0 — GPIO / FSMC_D2 |
| Chân 50 | PD1 — GPIO / FSMC_D3 |
| Chân 51 | PD2 — GPIO / FSMC_D4 |
| Chân 52 | PD3 — GPIO / FSMC_D5 |
| Chân 53 | PD4 — GPIO / FSMC_D6 |
| Chân 54 | PD5 — GPIO / FSMC_D7 |
| Chân 55 | PD6 — GPIO / FSMC_D8 |
| Chân 56 | PD7 — GPIO / FSMC_D9 |
| Chân 57 | VDD — Digital power supply |
| Chân 58 | VSS — Ground |
| Chân 59 | PD8 — GPIO / FSMC_D10 |
| Chân 60 | PD9 — GPIO / FSMC_D11 |
| Chân 61 | PD10 — GPIO / FSMC_D12 |
| Chân 62 | PD11 — GPIO / FSMC_D13 |
| Chân 63 | PD12 — GPIO / FSMC_D14 |
| Chân 64 | PD13 — GPIO / FSMC_D15 |
| Chân 65 | PD14 — GPIO / FSMC_D0 |
| Chân 66 | PD15 — GPIO / FSMC_D1 |
| Chân 67 | PE0 — GPIO / FSMC_NBL0 |
| Chân 68 | PE1 — GPIO / FSMC_NBL1 |
| Chân 69 | PE7 — GPIO / FSMC_D4 |
| Chân 70 | PE8 — GPIO / FSMC_D5 |
| Chân 71 | PE9 — GPIO / FSMC_D6 |
| Chân 72 | PE10 — GPIO / FSMC_D7 |
| Chân 73 | PE11 — GPIO / FSMC_D8 |
| Chân 74 | PE12 — GPIO / FSMC_D9 |
| Chân 75 | PE13 — GPIO / FSMC_D10 |
| Chân 76 | PE14 — GPIO / FSMC_D11 |
| Chân 77 | PE15 — GPIO / FSMC_D12 |
| Chân 78 | VDD — Digital power supply |
| Chân 79 | VSS — Ground |
| Chân 80 | PB3 — GPIO / SPI1_SCK |
| Chân 81 | PB4 — GPIO / SPI1_MISO |
| Chân 82 | PB5 — GPIO / SPI1_MOSI |
| Chân 83 | PB6 — GPIO / I2C1_SCL |
| Chân 84 | PB7 — GPIO / I2C1_SDA |
| Chân 85 | BOOT0 — Boot mode selection |
| Chân 86 | PB8 — GPIO / I2C1_SCL |
| Chân 87 | PB9 — GPIO / I2C1_SDA |
| Chân 88 | PA8 — GPIO / USB_OTG_FS_SOF |
| Chân 89 | PA9 — GPIO / USB_OTG_FS_VBUS |
| Chân 90 | PA10 — GPIO / USB_OTG_FS_ID |
| Chân 91 | PA11 — GPIO / USB_OTG_FS_DM |
| Chân 92 | PA12 — GPIO / USB_OTG_FS_DP |
| Chân 93 | PA13 — GPIO / SWDIO |
| Chân 94 | PA14 — GPIO / SWCLK |
| Chân 95 | PA15 — GPIO / JTDI |
| Chân 96 | PC0 — GPIO / ADC_IN10 |
| Chân 97 | PC1 — GPIO / ADC_IN11 |
| Chân 98 | PC2 — GPIO / ADC_IN12 |
| Chân 99 | PC3 — GPIO / ADC_IN13 |
| Chân 100 | VDD — Digital power supply |
Ứng dụng tiêu biểu
STM32L486VGT6 phù hợp cho 6 Áp dụngs: Industrial Sensors, Smart Meters, Medical Devices, Wearable Electronics, IoT Nodes, Audio Processing.
Industrial Sensors
The STM32L486VGT6 is ideal for industrial sensors due to its ultra-low-power modes (100 nA shutdown) and high-performance Cortex-M4F core. It can process sensor data with DSP instructions and communicate via CAN or SAI interfaces. The 12-bit ADC at 5 MSPS enables high-speed data acquisition, while the cryptographic acceleration ensures secure data transmission. In a typical industrial sensor node, the MCU reads analog sensor values, processes them with the FPU, and transmits results over CAN bus, maintaining low average power consumption for battery-powered operation.
Được đề xuất
Smart Meters
The STM32L486VGT6 excels in smart meter applications by combining metrology calculations with communication protocols and display control. Its 80 MHz Cortex-M4F core with FPU handles complex energy calculation algorithms, while the LCD driver and touch sensing controller manage the user interface. The ultra-low-power modes enable long battery life, and the cryptographic acceleration secures data for remote reading. In a smart electricity meter, the MCU samples voltage and current via the ADC, computes energy consumption, and communicates via PLC or RF modules, all while maintaining low power consumption.
Được đề xuất
Medical Devices
The STM32L486VGT6 is well-suited for portable medical devices like glucose monitors and pulse oximeters. Its ultra-low-power operation (100 nA shutdown) extends battery life, while the FPU and DSP instructions handle signal processing for biosignal analysis. The cryptographic acceleration ensures patient data security. In a wearable health monitor, the MCU reads sensor data, processes ECG or SpO2 signals, and communicates via BLE, all while maintaining a compact form factor and long battery life.
Được đề xuất
Wearable Electronics
The STM32L486VGT6 is perfect for wearable devices due to its small 100-LQFP package and ultra-low-power modes. The Cortex-M4F core with FPU enables efficient sensor fusion algorithms for motion tracking, while the touch sensing controller handles user input. The device's 1 MB Flash provides ample storage for firmware and data logging. In a smartwatch, the MCU manages the display, sensors, and wireless communication, achieving weeks of battery life through aggressive power management.
Được đề xuất
IoT Nodes
The STM32L486VGT6 is an excellent choice for IoT nodes, offering a balance of performance and power efficiency. Its multiple communication interfaces (USB OTG FS, CAN, SAI) support various connectivity options, while the cryptographic acceleration ensures secure data transmission. The ultra-low-power modes enable battery-powered operation for years. In a typical IoT sensor node, the MCU collects data from sensors, processes it locally, and transmits it via LoRa or NB-IoT, all while maintaining minimal power consumption.
Được đề xuất
Audio Processing
The STM32L486VGT6's Cortex-M4F core with FPU and DSP instructions makes it suitable for audio processing applications. The SAI interface supports I2S audio data, and the 12-bit DAC can output analog audio. The device's low power consumption is ideal for portable audio devices. In a voice-controlled device, the MCU captures audio via the ADC, performs noise reduction and keyword detection using the FPU, and communicates results via USB or wireless interfaces.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho STM32L486VGT6 — 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 | STM32L486VGT6TR | STM32L486VGT7 | STM32L476VGT6 | STM32L496VGT6 | GD32F450VGT6 |
|---|---|---|---|---|---|---|
| Package | 100-LQFP (14x14) | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Maximum Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 200 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 320 KB | 256 KB |
| Cryptographic Acceleration | Yes (AES, DES, Hash) | Yes (AES, DES, Hash) | Yes (AES, DES, Hash) | No | Yes (AES, DES, Hash) | No |
| Supply Voltage Range | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 2.6V to 3.6V |
Bảo phân biệt quan trọng
- Integrated cryptographic acceleration (vsSTM32L476VGT6)
- True random number generator (TRNG) (vsSTM32L476VGT6)
- Ultra-low-power shutdown mode (vsGD32F450VGT6)
Ghi chú thiết kế
For ultra-low-power operation, configure unused GPIOs as analog inputs to avoid leakage currents. Use the low-power modes (Stop 2, Standby, Shutdown) to minimize power consumption. The shutdown mode consumes only 100 nA, making it ideal for battery-powered devices. Ensure the power supply is stable and decoupled with 100 nF capacitors close to each VDD pin and a 4.7 uF capacitor at the main supply.
Place decoupling capacitors (100 nF) as close as possible to each VDD pin, and a 4.7 uF bulk capacitor at the main supply. For the crystal oscillator, place the crystal and load capacitors close to the OSC_IN/OSC_OUT pins to minimize parasitic capacitance. Use a ground plane to reduce noise and improve EMC performance.
Ensure the BOOT0 pin is properly configured to select the correct boot mode. For SWD programming, connect PA13 (SWDIO) and PA14 (SWCLK) with pull-up/pull-down resistors as recommended in the datasheet. Avoid driving the VBAT pin with more than 3.6V to prevent damage to the backup domain.
Thông tin tuân thủ
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified - this is a general-purpose MCU.
