| Parameters | |
|---|---|
| Program Memory Size | 1MB (1M x 8) |
| Data Converters | A/D 16x12b; D/A 2x12b |
| Package | Tray |
| Product Status | Active |
| Base Product Number | STM32L471 |
| REACH Status | REACH Unaffected |
| Other Names | 497-16387 |
| Standard Package | 160 |
| ECCN | 3A991A2 |
| HTSUS | 8542.31.0001 |
| Series | STM32L4 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 64-LQFP |
| Mfr | STMicroelectronics |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 64-LQFP (10x10) |
| Speed | 80MHz |
| Oscillator Type | Internal |
| Core Processor | ARM® Cortex®-M4 |
| RAM Size | 128K x 8 |
| Number of I/O | 51 |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| EEPROM Size | - |
| Program Memory Type | FLASH |
| Connectivity | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART |
| Core Size | 32-Bit Single-Core |
STM32L471RGT6 microcontroller
The STM32L471RGT6 is an ultra-low-power 32-bit microcontroller manufactured by STMicroelectronics, built around the Arm Cortex-M4 core equipped with single-precision FPU, DSP instruction set and memory protection unit, supplied in 64-pin LQFP surface-mount package with 10 mm × 10 mm dimension. This industrial-grade MCU runs up to 80 MHz, integrates 1 MB program Flash and 128 KB SRAM, supports 1.71 V to 3.6 V operating voltage and wide temperature range from -40 °C to 85 °C. Equipped with ART Accelerator for zero-wait-state flash execution and comprehensive communication and analog peripherals, this RoHS-compliant device balances digital signal processing capability and minimized power draw, targeting battery-operated embedded systems requiring long service life and stable industrial operation.
The STM32L471RGT6 serves as a core control unit for IoT sensor nodes, portable medical instruments, smart wearable devices, industrial wireless monitoring modules, battery-powered data loggers, smart home control terminals and energy harvesting embedded equipment. Engineers select this Cortex-M4 MCU for low-power embedded projects that demand moderate DSP computing performance, multi-channel analog signal acquisition, reliable long-duration battery operation and abundant communication interfaces, avoiding frequent component replacement and optimizing power consumption for field-deployed autonomous electronic hardware.
Alternative MCU Models
● STM32L476RGT6 (STMicroelectronics): Pin-compatible LQFP64 ultra-low-power Cortex-M4 MCU with enhanced peripheral sets including LCD controller and USB interface, ideal for projects requiring display and wired communication expansion.
● ATSAML21G18A-MU (Microchip): Cortex-M0+ ultra-low-power microcontroller with low active current and rich serial interfaces, suitable for cost-sensitive battery-powered IoT sensor applications with simpler algorithm demands.
● MSP432P401RIPZ (Texas Instruments): 32-bit low-power ARM MCU with high analog integration and flexible power management, offering competitive sleep-mode power consumption for portable measurement equipment.
● NRF52840-QIAA (Nordic): Multiprotocol wireless-enabled Cortex-M4F microcontroller combining ultra-low-power operation with Bluetooth 5.0 connectivity for wireless sensor and wearable product development.