STM32L486VGT6 - ARM Cortex-M4F MCU 1MB Flash | STMicroelectronics
料号： STM32L486VGT6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $12.67 | $12.67 |
| 10 | $11.4 | $114.00 |
| 100 | $10.13 | $1,013.00 |
| 500 | $9.12 | $4,560.00 |
| 1,000 | $8.11 | $8,110.00 |
STM32L486VGT6 概述
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.
直接替换替代料： STM32L486VGT6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32L486VGT6 （相同外形与封装尺寸） ——差异在于 Core, Flash Memory, SRAM, ADC, Communication Interfaces.
快速对比工具——选择替代料号进行并排对比：
STM32L486VGT6TR
✅ 直接替换📋 参考替代料（不在目录中）
STM32L486VGT7
✅ 直接替换📋 参考替代料（不在目录中）
STM32L476VGT6
✅ 直接替换✓ 有现货
$4.09 / 个
查看数据手册 →STM32L496VGT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$9.5455 / 个
查看数据手册 →GD32F450VGT6
⚡ 相同封装 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32L486VGT6 最大额定值与电气特性
| Core | ARM Cortex-M4F |
| Maximum Frequency | 80 MHz |
| Flash Memory | 1 MB |
| SRAM | 128 KB |
| 封装 | 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 |
| 关断电流 | 100 nA |
| 工作温度 | -40C to +85C |
| RoHS 状态 | Compliant |
STM32L486VGT6 引脚配置
| 引脚 1 | PE2 — GPIO / TRACECLK |
| 引脚 2 | PE3 — GPIO / TRACED0 |
| 引脚 3 | PE4 — GPIO / TRACED1 |
| 引脚 4 | PE5 — GPIO / TRACED2 |
| 引脚 5 | PE6 — GPIO / TRACED3 |
| 引脚 6 | VBAT — Battery backup supply |
| 引脚 7 | PC13 — GPIO / RTC_TAMP1 |
| 引脚 8 | PC14 — GPIO / OSC32_IN |
| 引脚 9 | PC15 — GPIO / OSC32_OUT |
| 引脚 10 | PF0 — GPIO / OSC_IN |
| 引脚 11 | PF1 — GPIO / OSC_OUT |
| 引脚 12 | NRST — Reset |
| 引脚 13 | PC0 — GPIO / ADC_IN10 |
| 引脚 14 | PC1 — GPIO / ADC_IN11 |
| 引脚 15 | PC2 — GPIO / ADC_IN12 |
| 引脚 16 | PC3 — GPIO / ADC_IN13 |
| 引脚 17 | VDD — Digital power supply |
| 引脚 18 | VSS — Ground |
| 引脚 19 | PC4 — GPIO / ADC_IN14 |
| 引脚 20 | PC5 — GPIO / ADC_IN15 |
| 引脚 21 | PB0 — GPIO / ADC_IN8 |
| 引脚 22 | PB1 — GPIO / ADC_IN9 |
| 引脚 23 | PB2 — GPIO / BOOT1 |
| 引脚 24 | PB10 — GPIO / I2C2_SCL |
| 引脚 25 | PB11 — GPIO / I2C2_SDA |
| 引脚 26 | VDD — Digital power supply |
| 引脚 27 | VSS — Ground |
| 引脚 28 | PB12 — GPIO / SPI2_NSS |
| 引脚 29 | PB13 — GPIO / SPI2_SCK |
| 引脚 30 | PB14 — GPIO / SPI2_MISO |
| 引脚 31 | PB15 — GPIO / SPI2_MOSI |
| 引脚 32 | PC6 — GPIO / I2S2_MCK |
| 引脚 33 | PC7 — GPIO / I2S2_SCK |
| 引脚 34 | PC8 — GPIO / I2S2_SD |
| 引脚 35 | PC9 — GPIO / I2S2_WS |
| 引脚 36 | PA0 — GPIO / ADC_IN0 / WKUP1 |
| 引脚 37 | PA1 — GPIO / ADC_IN1 |
| 引脚 38 | PA2 — GPIO / ADC_IN2 / USART2_TX |
| 引脚 39 | PA3 — GPIO / ADC_IN3 / USART2_RX |
| 引脚 40 | VDD — Digital power supply |
| 引脚 41 | VSS — Ground |
| 引脚 42 | PA4 — GPIO / ADC_IN4 / DAC_OUT1 |
| 引脚 43 | PA5 — GPIO / ADC_IN5 / DAC_OUT2 |
| 引脚 44 | PA6 — GPIO / ADC_IN6 |
| 引脚 45 | PA7 — GPIO / ADC_IN7 |
| 引脚 46 | PC10 — GPIO / USART3_TX |
| 引脚 47 | PC11 — GPIO / USART3_RX |
| 引脚 48 | PC12 — GPIO / USART3_CK |
| 引脚 49 | PD0 — GPIO / FSMC_D2 |
| 引脚 50 | PD1 — GPIO / FSMC_D3 |
| 引脚 51 | PD2 — GPIO / FSMC_D4 |
| 引脚 52 | PD3 — GPIO / FSMC_D5 |
| 引脚 53 | PD4 — GPIO / FSMC_D6 |
| 引脚 54 | PD5 — GPIO / FSMC_D7 |
| 引脚 55 | PD6 — GPIO / FSMC_D8 |
| 引脚 56 | PD7 — GPIO / FSMC_D9 |
| 引脚 57 | VDD — Digital power supply |
| 引脚 58 | VSS — Ground |
| 引脚 59 | PD8 — GPIO / FSMC_D10 |
| 引脚 60 | PD9 — GPIO / FSMC_D11 |
| 引脚 61 | PD10 — GPIO / FSMC_D12 |
| 引脚 62 | PD11 — GPIO / FSMC_D13 |
| 引脚 63 | PD12 — GPIO / FSMC_D14 |
| 引脚 64 | PD13 — GPIO / FSMC_D15 |
| 引脚 65 | PD14 — GPIO / FSMC_D0 |
| 引脚 66 | PD15 — GPIO / FSMC_D1 |
| 引脚 67 | PE0 — GPIO / FSMC_NBL0 |
| 引脚 68 | PE1 — GPIO / FSMC_NBL1 |
| 引脚 69 | PE7 — GPIO / FSMC_D4 |
| 引脚 70 | PE8 — GPIO / FSMC_D5 |
| 引脚 71 | PE9 — GPIO / FSMC_D6 |
| 引脚 72 | PE10 — GPIO / FSMC_D7 |
| 引脚 73 | PE11 — GPIO / FSMC_D8 |
| 引脚 74 | PE12 — GPIO / FSMC_D9 |
| 引脚 75 | PE13 — GPIO / FSMC_D10 |
| 引脚 76 | PE14 — GPIO / FSMC_D11 |
| 引脚 77 | PE15 — GPIO / FSMC_D12 |
| 引脚 78 | VDD — Digital power supply |
| 引脚 79 | VSS — Ground |
| 引脚 80 | PB3 — GPIO / SPI1_SCK |
| 引脚 81 | PB4 — GPIO / SPI1_MISO |
| 引脚 82 | PB5 — GPIO / SPI1_MOSI |
| 引脚 83 | PB6 — GPIO / I2C1_SCL |
| 引脚 84 | PB7 — GPIO / I2C1_SDA |
| 引脚 85 | BOOT0 — Boot mode selection |
| 引脚 86 | PB8 — GPIO / I2C1_SCL |
| 引脚 87 | PB9 — GPIO / I2C1_SDA |
| 引脚 88 | PA8 — GPIO / USB_OTG_FS_SOF |
| 引脚 89 | PA9 — GPIO / USB_OTG_FS_VBUS |
| 引脚 90 | PA10 — GPIO / USB_OTG_FS_ID |
| 引脚 91 | PA11 — GPIO / USB_OTG_FS_DM |
| 引脚 92 | PA12 — GPIO / USB_OTG_FS_DP |
| 引脚 93 | PA13 — GPIO / SWDIO |
| 引脚 94 | PA14 — GPIO / SWCLK |
| 引脚 95 | PA15 — GPIO / JTDI |
| 引脚 96 | PC0 — GPIO / ADC_IN10 |
| 引脚 97 | PC1 — GPIO / ADC_IN11 |
| 引脚 98 | PC2 — GPIO / ADC_IN12 |
| 引脚 99 | PC3 — GPIO / ADC_IN13 |
| 引脚 100 | VDD — Digital power supply |
典型应用
STM32L486VGT6 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： STM32L486VGT6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Integrated cryptographic acceleration （对比 STM32L476VGT6)
- True random number generator (TRNG) （对比 STM32L476VGT6)
- Ultra-low-power shutdown mode （对比 GD32F450VGT6)
设计说明
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.
合规信息
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified - this is a general-purpose MCU.
