Overview
The STM32L476VCT6TR is an ultra-low-power microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M4 32-bit RISC core. This device operates at a frequency of up to 80 MHz and features a Floating Point Unit (FPU) that 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) to enhance application security.
The STM32L476VCT6TR is part of the STM32L476xx family, known for its ultra-low-power consumption and advanced peripherals, making it suitable for a wide range of low-power applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz |
| Memory | Up to 1 MB flash, up to 128 KB SRAM |
| Power Supply | 1.71 V to 3.6 V (internal LDO), 1.05 to 1.32 V (external SMPS) |
| Temperature Range | -40 °C to +85 °C, +105 °C, +125 °C |
| ADCs | Up to three 12-bit ADCs (5 Msps) |
| DACs | Two 12-bit DAC output channels |
| Timers | Two 32-bit timers, nine 16-bit timers, two 16-bit low-power timers |
| Communication Interfaces | USB OTG 2.0 full-speed, three I2Cs, three SPIs, three USARTs, two UARTs, one Low-Power UART, two SAIs, one SDMMC, one CAN |
| Package | LQFP 100 14x14x1.4 mm |
| Power Modes | Shutdown, Standby, Stop 2 mode, VBAT mode |
Key Features
- Ultra-low-power with FlexPowerControl
- Includes ST state-of-the-art patented technology
- Up to 1 MB flash memory and 128 KB SRAM
- Quad SPI flash memories interface and external memory controller for static memories
- Rich analog peripherals including 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, and 2x ultra-low-power comparators
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter
- Up to 24 capacitive sensing channels
- Comprehensive set of power-saving modes: Shutdown, Standby, Stop 2 mode, VBAT mode
- Advanced communication interfaces: USB OTG 2.0 full-speed, I2C, SPI, USART, UART, SAI, SDMMC, CAN
- True random number generator, CRC calculation unit, and 96-bit unique ID
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
The STM32L476VCT6TR is suitable for a variety of applications requiring low power consumption and high performance, including:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics and smart home devices
- Automotive systems and telematics
- IoT and wireless sensor networks
- Energy metering and smart grid applications
Q & A
- What is the core architecture of the STM32L476VCT6TR?
The STM32L476VCT6TR is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU), operating at up to 80 MHz.
- What is the memory capacity of the STM32L476VCT6TR?
The device has up to 1 MB of flash memory and up to 128 KB of SRAM.
- What are the power supply options for the STM32L476VCT6TR?
The device can operate from a 1.71 V to 3.6 V power supply using an internal LDO regulator, or from a 1.05 to 1.32 V power supply using an external SMPS.
- What are the key analog peripherals of the STM32L476VCT6TR?
The device includes up to three 12-bit ADCs, two 12-bit DACs, two operational amplifiers, and two ultra-low-power comparators.
- Does the STM32L476VCT6TR support capacitive sensing?
Yes, the device supports up to 24 capacitive sensing channels.
- What communication interfaces are available on the STM32L476VCT6TR?
The device features USB OTG 2.0 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 power-saving modes available on the STM32L476VCT6TR?
The device supports Shutdown, Standby, Stop 2 mode, and VBAT mode for low-power operation.
- Is the STM32L476VCT6TR suitable for industrial applications?
Yes, the device is suitable for industrial automation and control systems due to its robust features and low power consumption.
- Does the STM32L476VCT6TR have integrated LCD driver capabilities?
Yes, the device includes an integrated LCD driver 8x40 or 4x44 with an internal step-up converter.
- What development tools are supported by the STM32L476VCT6TR?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for development.
- Is the STM32L476VCT6TR RoHS compliant?
Yes, the device is RoHS compliant and meets ECOPACK2 standards.
