Overview
The STM32L476ZGT6U is an ultra-low-power microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M4 32-bit RISC core. This MCU 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 device is designed for low power consumption, with various power-saving modes such as VBAT, Shutdown, Standby, and Stop modes, making it suitable for battery-powered applications. The STM32L476ZGT6U is part of the STM32L476xx family, which is known for its rich set of peripherals and high-speed memories.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | ARM® Cortex®-M4 32-bit RISC core |
| Core Speed | Up to 80 MHz |
| Flash Memory | Up to 1 MB |
| SRAM | Up to 128 KB |
| Power Supply | 1.71 V to 3.6 V |
| Operating Temperature | -40 °C to 85/105/125 °C |
| ADCs | Up to 3 fast 12-bit ADCs (5 Msps) |
| DACs | 2x 12-bit DAC output channels |
| Timers | 16x timers (including 2x 32-bit, 9x 16-bit general purpose, and 2x 16-bit low-power timers) |
| Communication Interfaces | USB OTG 2.0 full-speed, 2x SAIs, 3x I2C FM+, 5x USARTs, 1x LPUART, 3x SPIs, CAN 2.0B Active, SDMMC interface |
| Capacitive Sensing Channels | Up to 24 channels |
| LCD Driver | 8x40 or 4x44 with internal step-up converter |
Key Features
- Ultra-low-power consumption with FlexPowerControl, including VBAT, Shutdown, Standby, and Stop modes.
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU and DSP instructions.
- Rich set of peripherals including 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, and 2x ultra-low-power comparators.
- 20x communication interfaces including USB OTG 2.0, SAIs, I2C, USARTs, LPUART, SPIs, CAN 2.0B Active, and SDMMC interface.
- Integrated LCD driver with internal step-up converter and up to 24 capacitive sensing channels.
- Quad SPI flash memories interface and flexible external memory controller (FSMC) for static memories.
- True random number generator, CRC calculation unit, and 96-bit unique ID.
- Development support with serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
Applications
- Battery-powered devices such as smart meters, industrial sensors, and portable medical devices.
- IoT applications requiring low power consumption and high performance.
- Automotive systems, including infotainment and driver assistance systems.
- Industrial automation and control systems.
- Consumer electronics such as wearables, fitness trackers, and smart home devices.
Q & A
- What is the core processor of the STM32L476ZGT6U?
The core processor is the ARM® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32L476ZGT6U?
The maximum operating frequency is up to 80 MHz.
- How much flash memory does the STM32L476ZGT6U have?
The device has up to 1 MB of flash memory.
- What are the power-saving modes available on the STM32L476ZGT6U?
The device features VBAT, Shutdown, Standby, and Stop modes for low power consumption.
- Does the STM32L476ZGT6U support capacitive sensing?
- What communication interfaces are available on the STM32L476ZGT6U?
The device includes USB OTG 2.0, SAIs, I2C, USARTs, LPUART, SPIs, CAN 2.0B Active, and SDMMC interface.
- Is the STM32L476ZGT6U suitable for battery-powered applications?
- What is the operating temperature range of the STM32L476ZGT6U?
The operating temperature range is -40 °C to 85/105/125 °C.
- Does the STM32L476ZGT6U have an integrated LCD driver?
- What development tools are supported by the STM32L476ZGT6U?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
