Overview
The STM32L476VCT6 is a high-performance, ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 80 MHz. The device features a Floating Point Unit (FPU) and supports all Arm® single-precision data-processing instructions and data types. It also includes a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security.
The microcontroller is designed for applications requiring low power consumption and high performance, making it ideal for battery-powered devices, portable medical instruments, smart meters, wearable devices, and IoT devices.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 80 MHz |
| Flash Memory | Up to 1 MB |
| SRAM | Up to 128 KB |
| Package | 100-LQFP |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/105/125 °C |
| ADCs | Up to three 12-bit ADCs (5 Msps) |
| DACs | Two 12-bit DAC output channels |
| Timers | 16x timers (including 2x 16-bit advanced motor-control, 2x 32-bit, and 5x 16-bit general purpose) |
| Communication Interfaces | USB OTG full-speed, three I2Cs, three SPIs, three USARTs, two UARTs, one Low-Power UART, two SAIs, one SDMMC, one CAN |
| Power Modes | Shutdown, Standby, Stop 2 mode, VBAT mode |
Key Features
- Ultra-low-power with FlexPowerControl
- High-performance Arm® Cortex®-M4 CPU with FPU and DSP instructions
- Advanced power management features including multiple power modes (Shutdown, Standby, Stop 2 mode, VBAT mode)
- Rich set of peripherals: ADCs, DACs, operational amplifiers, comparators, LCD driver, capacitive sensing channels
- Extensive range of communication interfaces: USB OTG, I2C, SPI, USART, UART, SAIs, SDMMC, CAN
- Advanced security features: memory protection unit (MPU), proprietary code readout protection, Firewall
- Support for external memory interfaces and Quad SPI memory interface
- Up to 114 fast I/Os, most 5 V-tolerant, with up to 14 I/Os having independent supply down to 1.08 V
Applications
The STM32L476VCT6 is suitable for a variety of applications that require low power consumption and high performance. These include:
- Battery-powered devices
- Portable medical instruments
- Smart meters
- Wearable devices
- IoT devices
- Industrial control systems
- Consumer electronics
- Communication devices
Q & A
- What is the core architecture of the STM32L476VCT6?
The STM32L476VCT6 is based on the Arm® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32L476VCT6?
The maximum operating frequency is up to 80 MHz.
- How much flash memory and SRAM does the STM32L476VCT6 have?
The device has up to 1 MB of flash memory and up to 128 KB of SRAM.
- What are the power supply and temperature ranges for the STM32L476VCT6?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/105/125 °C.
- What types of communication interfaces are available on the STM32L476VCT6?
The device includes USB OTG full-speed, three I2Cs, three SPIs, three USARTs, two UARTs, one Low-Power UART, two SAIs, one SDMMC, and one CAN interface.
- What are the advanced power management features of the STM32L476VCT6?
The device features multiple power modes including Shutdown, Standby, Stop 2 mode, and VBAT mode, along with advanced power-saving mechanisms.
- Does the STM32L476VCT6 support external memory interfaces?
Yes, it supports external memory interfaces for static memories and a Quad SPI memory interface.
- What kind of security features does the STM32L476VCT6 have?
The device includes a memory protection unit (MPU), proprietary code readout protection, and Firewall for enhanced security.
- What is the package type and pin count of the STM32L476VCT6?
The device is available in a 100-LQFP package.
- What are some typical applications for the STM32L476VCT6?
Typical applications include battery-powered devices, portable medical instruments, smart meters, wearable devices, IoT devices, industrial control systems, consumer electronics, and communication devices.
