Overview
The STM32L476RGT6 is an ultra-low-power microcontroller from STMicroelectronics, based on the Arm Cortex-M4 32-bit RISC core. This microcontroller is part of the STM32L4 series and is known for its high performance, low power consumption, and extensive set of peripherals. It features a Floating Point Unit (FPU) and supports all Arm single-precision data-processing instructions and data types. The device is supported by various software integrated development environments (IDEs) and debuggers from STMicroelectronics and major third-party vendors.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Core | Arm Cortex-M4 32-bit RISC core |
| Clock Frequency | Up to 80 MHz |
| Memory | 1 MB Flash, 128 KB SRAM |
| Package Type | LQFP64 |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 °C to 85 °C (up to 105 °C and 125 °C junction) |
| Number of I/Os | Up to 114 fast I/Os, most 5V-tolerant |
| ADC Converters | 3 x 12-bit ADC, up to 16-bit with hardware oversampling |
| DAC Converters | 2 x 12-bit DAC output channels |
| Communication Interfaces | USB OTG 2.0 full-speed, 3 x I2C, 3 x SPI, 3 x USART, 2 x UART, 1 x CAN, 1 x SDMMC |
Key Features
- Ultra-low-power consumption with various power-saving modes (e.g., VBAT mode, Shutdown mode, Standby mode, Stop 2 mode).
- High-performance Arm Cortex-M4 core with FPU, supporting DSP instructions and a memory protection unit (MPU).
- LCD support with step-up converter, and up to 24 capacitive sensing channels for touch key, linear, and rotary touch sensors.
- Advanced communication interfaces including USB OTG, I2C, SPI, USART, UART, CAN, and SDMMC.
- Integrated peripherals such as operational amplifiers, comparators, and a true random number generator.
- Support for serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for development and debugging.
Applications
- Automotive: Engine control, safety systems, infotainment systems, powertrain, chassis and safety, body and convenience, telematics, and infotainment.
- Consumer Electronics: Smartphones, tablets, smartwatches, and home automation systems.
- Industrial: Precision measurement systems, energy management systems, and robotics.
Q & A
- What is the core architecture of the STM32L476RGT6?
The STM32L476RGT6 is based on the Arm Cortex-M4 32-bit RISC core with a Floating Point Unit (FPU).
- What is the maximum clock frequency of the STM32L476RGT6?
The maximum clock frequency is up to 80 MHz.
- How much memory does the STM32L476RGT6 have?
The device has 1 MB of Flash memory and 128 KB of SRAM).
- What is the operating voltage range of the STM32L476RGT6?
The operating voltage range is from 1.71 V to 3.6 V).
- What are the key power-saving modes of the STM32L476RGT6?
The device features various power-saving modes including VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode).
- Does the STM32L476RGT6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touch key, linear, and rotary touch sensors).
- What communication interfaces are available on the STM32L476RGT6?
The device includes USB OTG, I2C, SPI, USART, UART, CAN, and SDMMC interfaces).
- What kind of development support does the STM32L476RGT6 offer?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for development and debugging).
- In which industries is the STM32L476RGT6 commonly used?
The STM32L476RGT6 is used in automotive, consumer electronics, and industrial sectors).
- Who is the manufacturer of the STM32L476RGT6?
The manufacturer is STMicroelectronics).
