Overview
The STM32L476QGI6 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 STM32L476QGI6 is part of the STM32L476xx family, which is known for its ultra-low-power consumption and advanced peripherals. It is suitable for a wide range of applications requiring low power and high performance.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 |
| Temperature Range | -40 °C to 85/105/125 °C |
| ADCs | Up to three fast 12-bit ADCs (5 Msps) |
| DACs | Two 12-bit DAC output channels |
| Timers | Two 32-bit timers, seven 16-bit timers, two 16-bit low-power timers |
| Communication Interfaces | USB OTG 2.0 full-speed, three I2Cs, three SPIs, five USARTs, one CAN, one SDMMC |
| Package | UFBGA 132 7x7x0.6 P 0.5 mm |
| Power Modes | Shutdown, Standby, Stop 2 mode, VBAT mode |
Key Features
- Ultra-low-power with FlexPowerControl, offering various power-saving modes such as Shutdown, Standby, and Stop 2 modes.
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU and DSP instructions.
- Rich set of peripherals including up to three fast 12-bit ADCs, two 12-bit DACs, two operational amplifiers, and two ultra-low-power comparators.
- Advanced communication interfaces: USB OTG 2.0 full-speed, three I2Cs, three SPIs, five USARTs, one CAN, and one SDMMC.
- Integrated LCD driver with internal step-up converter and support for up to 24 capacitive sensing channels.
- 14-channel DMA controller, true random number generator, and CRC calculation unit.
- Development support: serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- All packages are ECOPACK2 compliant.
Applications
- IoT devices requiring low power consumption and high performance.
- Industrial automation and control systems.
- Medical devices that need precise analog and digital processing.
- Consumer electronics such as smart home devices and wearables.
- Automotive systems, especially those requiring low power and robust communication interfaces.
Q & A
- What is the core architecture of the STM32L476QGI6?
The STM32L476QGI6 is based on the Arm® Cortex®-M4 32-bit RISC core with a Floating Point Unit (FPU).
- What is the power supply range for the STM32L476QGI6?
The power supply range is from 1.71 V to 3.6 V.
- What are the temperature ranges supported by the STM32L476QGI6?
The device operates in the -40 °C to 85/105/125 °C temperature range.
- What types of communication interfaces are available on the STM32L476QGI6?
The device features USB OTG 2.0 full-speed, three I2Cs, three SPIs, five USARTs, one CAN, and one SDMMC.
- Does the STM32L476QGI6 support capacitive sensing?
- What are the power-saving modes available on the STM32L476QGI6?
The device offers Shutdown, Standby, Stop 2 mode, and VBAT mode.
- Is the STM32L476QGI6 package ECOPACK2 compliant?
- What is the maximum frequency of the STM32L476QGI6 core?
The core operates at a frequency of up to 80 MHz.
- Does the STM32L476QGI6 have an integrated LCD driver?
- What development tools are supported by the STM32L476QGI6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
