Overview
The STM32L476VGT6U, produced by STMicroelectronics, is an ultra-low-power microcontroller based on the Arm Cortex-M4 32-bit processor with a floating-point unit (FPU). This MCU is part of the STM32L4 series, known for its high performance and low power consumption, making it ideal for a wide range of applications, including IoT devices, industrial control systems, and medical equipment.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor | Arm Cortex-M4 32-bit with FPU |
| Flash Memory | Up to 1 MB |
| SRAM | 128 KB |
| Power Supply | 1.71 V to 3.6 V |
| Operating Temperature | -40 °C to 85/105/125 °C |
| Clock Sources | 4 to 48 MHz crystal oscillator, 32 kHz crystal oscillator for RTC, internal 16 MHz RC, internal low-power 32 kHz RC |
| I/Os | Up to 114 fast I/Os, most 5 V-tolerant |
| ADC | 3x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling |
| DAC | 2x 12-bit DAC output channels |
| Communication Interfaces | USB OTG 2.0, 2x SAIs, 3x I2C, 5x USARTs, 3x SPIs, CAN 2.0B, SDMMC interface |
| Timers | 9x 16-bit, 2x 32-bit |
| Operational Amplifiers | 2x with built-in PGA |
| Comparators | 2x ultra-low-power |
Key Features
- Ultra-low-power consumption with various power-saving modes (e.g., VBAT mode, Shutdown mode, Standby mode, Stop 2 mode)
- High performance with up to 100 DMIPS
- Advanced peripherals including LCD controller, RTC with HW calendar, and batch acquisition mode (BAM)
- Multiple communication interfaces for versatile connectivity
- Integrated operational amplifiers and comparators for analog signal processing
- Support for external SMPS (Switch-Mode Power Supply)
Applications
- Internet of Things (IoT) devices
- Industrial control systems
- Medical equipment
- Smart energy management systems
- Automotive systems
- Consumer electronics requiring low power consumption and high performance
Q & A
- What is the core processor of the STM32L476VGT6U?
The core processor is the Arm Cortex-M4 32-bit with a floating-point unit (FPU). - What is the range of the power supply for this MCU?
The power supply range is from 1.71 V to 3.6 V. - What are the key power-saving modes of the STM32L476VGT6U?
The key power-saving modes include VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode. - How many ADC channels does the STM32L476VGT6U have?
The MCU has 3x 12-bit ADC channels with up to 16-bit resolution using hardware oversampling. - What communication interfaces are available on this MCU?
The MCU features USB OTG 2.0, 2x SAIs, 3x I2C, 5x USARTs, 3x SPIs, CAN 2.0B, and SDMMC interface. - What is the operating temperature range of the STM32L476VGT6U?
The operating temperature range is from -40 °C to 85/105/125 °C. - Does the STM32L476VGT6U support external SMPS?
Yes, it supports external SMPS (Switch-Mode Power Supply). - How many timers does the STM32L476VGT6U have?
The MCU has 9x 16-bit timers and 2x 32-bit timers. - What are the integrated analog components of the STM32L476VGT6U?
The MCU includes 2x operational amplifiers with built-in PGA and 2x ultra-low-power comparators. - What is the purpose of the batch acquisition mode (BAM) in the STM32L476VGT6U?
The batch acquisition mode (BAM) is used for efficient data acquisition from multiple ADC channels.
