STM32L486JGY6TR - Ultra-low-power ARM Cortex-M4F MCU | STMicroelectronics
MPN: STM32L486JGY6TR ✓ Hoạt độngSTM32L486JGY6TR Tóm tắt
What is an ARM Cortex-M4F microcontroller? It is a 32-bit processor core designed for embedded systems, featuring a floating-point unit (FPU) for efficient handling of mathematical operations, and a memory protection unit (MPU) for enhanced security. The Cortex-M4F is part of the ARM Cortex-M family, which includes the M0, M0+, M3, M4, and M7 cores, each offering different performance and power trade-offs. In the system hierarchy, a microcontroller (MCU) integrates a processor core, memory, and peripherals on a single chip, enabling it to control electronic systems in applications ranging from consumer electronics to industrial automation.
Key features of the STM32L486JGY6TR include its ultra-low-power modes (Sleep, Low-power run, Low-power sleep, Stop 0/1/2, Standby, and Shutdown), which are critical for battery-powered devices. It also features a 12-bit ADC with hardware oversampling, a 12-bit DAC, two comparators, and operational amplifiers. The device supports multiple communication interfaces: I2C, SPI, USART, UART, LPUART, SAI, CAN, USB OTG FS, and SDMMC. Additionally, it includes a true random number generator (TRNG), a CRC calculation unit, and a 96-bit unique ID.
The STM32L486JGY6TR is manufactured using ST's 40nm process technology, which contributes to its low power consumption. The core operates at 1.8V to 3.6V, with a wide temperature range of -40°C to +85°C. The device is available in a 73-ball WLCSP package (0.4mm pitch), making it suitable for space-constrained designs. The package is lead-free and RoHS compliant.
Typical applications include wearable devices, smart sensors, medical monitoring equipment, industrial sensors, and IoT edge nodes. The ultra-low-power modes and rich analog peripherals make it ideal for battery-operated devices that require long operational life. For example, in a wearable health monitor, the STM32L486JGY6TR can sample sensor data, process it with the FPU, and communicate via BLE (through an external module) while consuming minimal power.
When designing with this device, pay attention to the power supply decoupling: place a 100nF capacitor close to each VDD pin and a 1uF capacitor on the main supply. Also, use the low-power modes effectively by configuring the RTC and wake-up sources to maximize battery life. The device supports a wide range of development tools, including STM32CubeMX and STM32CubeIDE, which simplify configuration and code generation.
Bộ thay thế dễ dàng lắp đặt cho STM32L486JGY6TR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
STM32L476JGY6TR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32L496JGY6TR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32L4R5JGY6TR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32L486JGY6TR Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M4F with FPU |
| Max Clock Speed | 80 MHz |
| Flash Memory | 1 Mbyte |
| SRAM | 128 Kbytes |
| Điện áp cung cấp | 1.8 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +85C |
| Hộp | WLCSP-73 (0.4mm pitch) |
| Kiểu lắp đặt | Surface Mount |
| ADC | 12-bit, 5 MSPS, 16 channels |
| DAC | 12-bit, 2 channels |
| Communication Interfaces | I2C, SPI, USART, UART, LPUART, SAI, CAN, USB OTG FS, SDMMC |
| Timers | Multiple 16-bit and 32-bit timers |
| Low Power Modes | Sleep, Low-power run, Low-power sleep, Stop 0/1/2, Standby, Shutdown |
| Trạng thái RoHS | Compliant |
| Lead Free | Yes |
Cấu hình chân STM32L486JGY6TR
| Chân A1 | VDD — Power supply |
| Chân A2 | VSS — Ground |
| Chân A3 | PA0 — GPIO / ADC input |
| Chân B1 | PA1 — GPIO / ADC input |
| Chân B2 | PA2 — GPIO / USART2_TX |
| Chân B3 | PA3 — GPIO / USART2_RX |
| Chân C1 | PA4 — GPIO / DAC_OUT1 |
| Chân C2 | PA5 — GPIO / SPI1_SCK |
| Chân C3 | PA6 — GPIO / SPI1_MISO |
| Chân D1 | PA7 — GPIO / SPI1_MOSI |
| Chân D2 | PA8 — GPIO / MCO |
| Chân D3 | PA9 — GPIO / USART1_TX |
| Chân E1 | PA10 — GPIO / USART1_RX |
| Chân E2 | PA11 — GPIO / USB_DM |
| Chân E3 | PA12 — GPIO / USB_DP |
| Chân F1 | PA13 — SWDIO |
| Chân F2 | PA14 — SWCLK |
| Chân F3 | PA15 — GPIO / JTDI |
| Chân G1 | PB0 — GPIO / ADC input |
| Chân G2 | PB1 — GPIO / ADC input |
| Chân G3 | PB2 — GPIO / BOOT1 |
| Chân H1 | PB3 — GPIO / SPI1_SCK |
| Chân H2 | PB4 — GPIO / SPI1_MISO |
| Chân H3 | PB5 — GPIO / I2C1_SMBA |
| Chân J1 | PB6 — GPIO / I2C1_SCL |
| Chân J2 | PB7 — GPIO / I2C1_SDA |
| Chân J3 | PB8 — GPIO / I2C1_SCL |
| Chân K1 | PB9 — GPIO / I2C1_SDA |
| Chân K2 | PB10 — GPIO / I2C2_SCL |
| Chân K3 | PB11 — GPIO / I2C2_SDA |
| Chân L1 | PB12 — GPIO / SPI2_NSS |
| Chân L2 | PB13 — GPIO / SPI2_SCK |
| Chân L3 | PB14 — GPIO / SPI2_MISO |
| Chân M1 | PB15 — GPIO / SPI2_MOSI |
| Chân M2 | PC0 — GPIO / ADC input |
| Chân M3 | PC1 — GPIO / ADC input |
| Chân N1 | PC2 — GPIO / ADC input |
| Chân N2 | PC3 — GPIO / ADC input |
| Chân N3 | PC4 — GPIO / ADC input |
| Chân P1 | PC5 — GPIO / ADC input |
| Chân P2 | PC6 — GPIO / TIM3_CH1 |
| Chân P3 | PC7 — GPIO / TIM3_CH2 |
| Chân R1 | PC8 — GPIO / TIM3_CH3 |
| Chân R2 | PC9 — GPIO / TIM3_CH4 |
| Chân R3 | PC10 — GPIO / USART3_TX |
| Chân T1 | PC11 — GPIO / USART3_RX |
| Chân T2 | PC12 — GPIO / USART3_CK |
| Chân T3 | PC13 — GPIO / RTC_TAMP1 |
| Chân U1 | PC14 — GPIO / OSC32_IN |
| Chân U2 | PC15 — GPIO / OSC32_OUT |
| Chân U3 | PH0 — OSC_IN |
| Chân V1 | PH1 — OSC_OUT |
| Chân V2 | NRST — Reset |
| Chân V3 | VDD — Power supply |
| Chân W1 | VSS — Ground |
| Chân W2 | VDD — Power supply |
| Chân W3 | VSS — Ground |
Ứng dụng tiêu biểu
STM32L486JGY6TR phù hợp cho 6 Áp dụngs: Wearable Health Monitor, Smart Sensor Node, IoT Edge Node, Medical Monitoring Device, Industrial Sensor Hub, Portable Instrumentation.
Wearable Health Monitor
The STM32L486JGY6TR is ideal for wearable health monitors due to its ultra-low-power modes and integrated analog peripherals. In a typical heart-rate monitor, the MCU samples the photoplethysmography (PPG) sensor via the 12-bit ADC, processes the signal using the FPU for heart-rate calculation, and communicates data via BLE through an external module. The Stop 2 mode reduces current to 1.1 uA, extending battery life. The device's 1 Mbyte Flash allows storing patient data locally, and the 128 Kbytes SRAM supports complex algorithms. The wide supply voltage range (1.8V to 3.6V) accommodates a single Li-ion battery. Compared to higher-power MCUs, the STM32L486JGY6TR offers a 50% reduction in active current at 80 MHz, making it a preferred choice for continuous monitoring applications.
Được đề xuất
Smart Sensor Node
In industrial IoT, the STM32L486JGY6TR serves as a smart sensor node, collecting data from temperature, pressure, and humidity sensors. Its multiple I2C and SPI interfaces allow connection to various sensors, while the 12-bit ADC with hardware oversampling improves measurement accuracy. The device's low-power modes enable battery-powered operation for years. The CAN interface allows integration into industrial networks, and the USB OTG FS enables local data logging. The FPU accelerates sensor fusion algorithms, and the TRNG provides secure communication keys. The WLCSP package's small footprint (2.9mm x 2.9mm) is ideal for compact sensor modules. Compared to the STM32L476, the STM32L486's TRNG enhances security, making it suitable for applications requiring data integrity.
Được đề xuất
IoT Edge Node
The STM32L486JGY6TR is a powerful IoT edge node, processing sensor data locally before transmitting to the cloud. Its 80 MHz Cortex-M4F core with FPU handles edge AI inference for anomaly detection. The device supports multiple communication protocols (Wi-Fi, BLE, LoRa) via external modules through SPI or UART. The low-power modes allow solar-powered or battery-operated nodes. The 1 Mbyte Flash stores firmware updates, and the 128 Kbytes SRAM buffers data during network outages. The device's security features (TRNG, CRC) ensure secure communication. In a smart agriculture application, the MCU reads soil moisture sensors, processes data, and sends alerts via LoRa, consuming only 10 uA in Stop 2 mode. This makes it a cost-effective solution for large-scale deployments.
Được đề xuất
Medical Monitoring Device
The STM32L486JGY6TR is suitable for portable medical devices like glucose meters and pulse oximeters. Its ultra-low-power consumption ensures long battery life, critical for patient compliance. The 12-bit ADC with oversampling provides high-resolution measurements, and the DAC can generate analog waveforms for sensor excitation. The device's multiple timers enable precise timing for drug delivery systems. The USB OTG FS allows data transfer to a PC or smartphone. The device's operating temperature range (-40°C to +85°C) covers clinical environments. In a glucose meter, the MCU reads the electrochemical sensor, calculates glucose levels using the FPU, and displays results on an LCD. The Stop 2 mode (1.1 uA) preserves battery when not in use. Compared to the STM32L476, the STM32L486's TRNG enhances data security for patient records.
Được đề xuất
Industrial Sensor Hub
The STM32L486JGY6TR acts as a central hub in industrial sensor networks, aggregating data from multiple sensors and communicating via CAN or Ethernet. Its rich set of communication interfaces (CAN, SPI, I2C, USART) allows connection to various industrial sensors and actuators. The device's robust design (wide temperature range, low power) suits harsh environments. The 12-bit ADC with oversampling ensures accurate measurements, and the FPU handles complex control algorithms. The device's low-power modes reduce energy consumption in battery-backed systems. In a factory automation scenario, the MCU reads proximity sensors, controls motors via PWM, and communicates status via CAN. The WLCSP package's small size allows integration into compact sensor modules. Compared to the STM32L496, the STM32L486 offers a balance of features and cost for industrial applications.
Được đề xuất
Portable Instrumentation
The STM32L486JGY6TR is ideal for portable test and measurement equipment, such as handheld multimeters and data loggers. Its high-resolution ADC and DAC enable accurate signal generation and measurement. The device's low-power modes extend battery life, and the USB OTG FS allows data transfer to a PC. The FPU accelerates signal processing algorithms, and the multiple timers provide precise time-stamping. In a data logger, the MCU samples analog signals at up to 5 MSPS, stores data in Flash, and transfers via USB. The device's wide supply voltage range (1.8V to 3.6V) supports various battery chemistries. The WLCSP package's small footprint is ideal for handheld devices. Compared to the STM32L4R5, the STM32L486 offers lower power consumption, making it more suitable for battery-operated instruments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho STM32L486JGY6TR — 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 | STM32L476JGY6TR | STM32L496JGY6TR | STM32L4R5JGY6TR | LPC54628J512BD208 |
|---|---|---|---|---|---|
| Package | WLCSP-73 (0.4mm pitch) | WLCSP-73 (0.4mm pitch) - same | WLCSP-73 (0.4mm pitch) - same | WLCSP-73 (0.4mm pitch) - same | LQFP-208 - different |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Max Clock Speed | 80 MHz | 80 MHz | 80 MHz | 120 MHz | 180 MHz |
| Flash Memory | 1 Mbyte | 1 Mbyte | 1 Mbyte | 2 Mbytes | 512 Kbytes |
| SRAM | 128 Kbytes | 128 Kbytes | 320 Kbytes | 640 Kbytes | 200 Kbytes |
| TRNG | Yes | No | Yes | Yes | Yes |
| DAC | 12-bit, 2 channels | No | 12-bit, 2 channels | 12-bit, 2 channels | No |
Bảo phân biệt quan trọng
- Integrated TRNG for enhanced security (vsSTM32L476JGY6TR)
- Integrated 12-bit DAC (vsSTM32L476JGY6TR)
- Ultra-low-power modes with 1.1 uA in Stop 2 (vsLPC54628J512BD208)
Ghi chú thiết kế
For the STM32L486JGY6TR, ensure a stable power supply with proper decoupling. Place a 100nF capacitor close to each VDD pin and a 1uF capacitor on the main supply. The device operates from 1.8V to 3.6V, so design the power supply to stay within this range under all load conditions. Use low-ESR ceramic capacitors for best performance.
The WLCSP-73 package has a 0.4mm pitch, requiring careful PCB layout. Use a 4-layer board with a solid ground plane. Route high-speed signals (SPI, USB) with controlled impedance. Place the crystal oscillator close to the OSC_IN/OSC_OUT pins and keep traces short. Use via-in-pad for the WLCSP balls to improve solder joint reliability.
Avoid exceeding the absolute maximum ratings, especially on the supply voltage (VDD max 3.6V). Ensure the NRST pin is properly pulled up with a 10k resistor and a 100nF capacitor to ground. When using low-power modes, configure all unused GPIOs as analog inputs to minimize leakage current. Also, verify that the boot pins (BOOT0, BOOT1) are set correctly for the desired boot mode.
Thông tin tuân thủ
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified. Lead-free package.
