Overview
The STM32L476QGI6TR is a high-performance, ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. This device is based on the Arm® Cortex®-M4 32-bit processor with a floating-point unit (FPU), offering advanced processing capabilities and power efficiency. The STM32L476QGI6TR is designed for applications requiring high performance, low power consumption, and a rich set of peripherals.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Maximum Clock Frequency | 80 MHz |
| Flash Memory | Up to 1 MB |
| SRAM | Up to 128 KB |
| ADC Resolution | 12-bit, up to 16-bit with hardware oversampling |
| Number of I/Os | Up to 114 fast I/Os |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/105/125 °C |
| Low-Power Modes | VBAT, Shutdown, Standby, Stop 2 |
Key Features
- Ultra-low-power consumption: Features like FlexPowerControl, VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode ensure minimal power usage.
- Advanced Core: Arm® Cortex®-M4 CPU with FPU and Adaptive Real-Time Accelerator (ART Accelerator™) for 0-wait-state execution from flash memory.
- Rich Analog Peripherals: Includes 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, and 2x ultra-low-power comparators.
- Communication Interfaces: USB OTG 2.0, 2x SAIs, 3x I2C, 5x USARTs, 1x LPUART, 3x SPIs, CAN 2.0B, and SDMMC interface.
- Touch Sensing and LCD Controller: Supports up to 24 capacitive sensing channels and an LCD controller with step-up converter.
- Security and Development Tools: Includes a true random number generator, CRC calculation unit, and support for serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
Applications
- Industrial Automation: Suitable for control systems, sensors, and actuators due to its robust set of peripherals and low power consumption.
- Medical Devices: Ideal for portable medical devices requiring high performance and low power consumption.
- Consumer Electronics: Used in smart home devices, wearables, and other consumer electronics that need a balance of performance and power efficiency.
- Automotive Systems: Can be used in various automotive applications such as infotainment systems and driver assistance systems.
Q & A
- What is the core processor of the STM32L476QGI6TR?
The core processor is the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- What is the maximum clock frequency of the STM32L476QGI6TR?
The maximum clock frequency is 80 MHz.
- How much flash memory does the STM32L476QGI6TR have?
The device has up to 1 MB of flash memory.
- What is the power supply range for the STM32L476QGI6TR?
The power supply range is from 1.71 V to 3.6 V.
- What are the low-power modes available on the STM32L476QGI6TR?
The device features VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode.
- Does the STM32L476QGI6TR support touch sensing?
- What communication interfaces are available on the STM32L476QGI6TR?
The device includes USB OTG 2.0, SAIs, I2C, USARTs, LPUART, SPIs, CAN 2.0B, and SDMMC interface.
- Is the STM32L476QGI6TR suitable for industrial automation applications?
- Does the STM32L476QGI6TR have any security features?
- What development tools are supported by the STM32L476QGI6TR?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
