Overview
The STM32L476VGT6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It is based on the Arm Cortex-M4 32-bit RISC core, which includes a Floating Point Unit (FPU) and supports all Arm single-precision data-processing instructions and data types. This microcontroller is designed to balance performance, power consumption, and cost-effectiveness, making it suitable for a wide range of applications that require low power and high performance.
Key Specifications
| Parameter | Value |
|---|---|
| Core Processor | ARM Cortex M4 |
| Program Memory Type | Flash |
| Flash Size (Bytes) | 1 MB |
| RAM Size | 128 kB |
| Speed | Up to 80 MHz |
| No of I/O Lines | 82 |
| Interface/Connectivity | CAN, EBI, EMI, IrDA, I2C, LIN, MMC, QSPI, SAI, SD, SPI, SWPMI, UART, USART |
| Peripherals | Brown-out Detect, DMA, LCD, PWM, Reset, Watchdog |
| Number Of Timers | 16 (including 2x 32-bit, 2x 16-bit advanced motor-control, and others) |
| Supply Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40°C to +85°C |
| On-Chip ADC | Up to 3x 12-bit, 5 Msps |
| On-Chip DAC | 2x 12-bit |
Key Features
- Ultra-Low Power Consumption: Features like FlexPowerControl, low power modes (VBAT, Shutdown, Standby, Stop 2), and batch acquisition mode (BAM) ensure minimal power usage.
- High Performance Core: Arm Cortex-M4 32-bit RISC core with FPU, supporting DSP instructions and a memory protection unit (MPU).
- Advanced Peripherals: Includes up to three fast 12-bit ADCs, two DAC channels, two operational amplifiers, two comparators, and an integrated LCD driver with step-up converter.
- Capacitive Sensing: Supports up to 24 capacitive sensing channels for touch key, linear, and rotary touch sensors.
- Communication Interfaces: Includes USB OTG 2.0, multiple I2Cs, SPIs, USARTs, SAIs, SDMMC, CAN, and SWPMI.
- Development Support: Features serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for comprehensive development and debugging.
- Security and Protection: Includes a true random number generator, CRC calculation unit, 96-bit unique ID, and various memory protection mechanisms.
Applications
- Industrial Automation: Suitable for control systems, motor control, and automation due to its advanced timers and communication interfaces.
- Consumer Electronics: Ideal for devices requiring low power consumption and high performance, such as smart home devices and wearables.
- Medical Devices: Can be used in medical equipment that requires precise control and low power consumption.
- IoT Devices: Perfect for Internet of Things applications that need efficient power management and robust communication capabilities.
- Automotive Systems: Applicable in automotive systems for control and monitoring due to its robust peripherals and low power modes.
Q & A
- What is the core processor of the STM32L476VGT6TR?
The core processor is the Arm Cortex-M4 32-bit RISC core with an FPU.
- What is the maximum operating frequency of the STM32L476VGT6TR?
The maximum operating frequency is up to 80 MHz).
- What are the power supply voltage ranges for the STM32L476VGT6TR?
The power supply voltage ranges from 1.71 V to 3.6 V).
- What types of communication interfaces does the STM32L476VGT6TR support?
It supports various interfaces including USB OTG 2.0, I2Cs, SPIs, USARTs, SAIs, SDMMC, CAN, and SWPMI).
- Does the STM32L476VGT6TR have any built-in capacitive sensing capabilities?
Yes, it supports up to 24 capacitive sensing channels for touch key, linear, and rotary touch sensors).
- What are the low power modes available in the STM32L476VGT6TR?
The device features several low power modes including VBAT, Shutdown, Standby, and Stop 2 modes).
- Does the STM32L476VGT6TR have an integrated LCD driver?
Yes, it includes an integrated LCD driver 8x40 or 4x44 with an internal step-up converter).
- What is the maximum temperature range for the STM32L476VGT6TR?
The operating temperature range is from -40°C to +85°C).
- Does the STM32L476VGT6TR support external memory interfaces?
Yes, it supports external memory interfaces for static memories such as SRAM, PSRAM, NOR, and NAND memories).
- What development tools and interfaces are available for the STM32L476VGT6TR?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for development and debugging).
