Overview
The STM32L476VGT7 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L476xx family. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 80 MHz. This microcontroller features a Floating Point Unit (FPU) that supports all Arm® single-precision data-processing instructions and includes a full set of DSP instructions and a Memory Protection Unit (MPU) for enhanced application security.
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 | 2x 12-bit DAC output channels |
| Timers | 2x 32-bit, 9x 16-bit general-purpose timers, 2x 16-bit advanced motor-control timers |
| Communication Interfaces | USB OTG 2.0 full-speed, 2x SAIs, 3x I2C, 5x USARTs, 3x SPIs, CAN 2.0B |
| Package | LQFP 100 14x14x1.4 mm |
| Power Modes | 300 nA in VBAT mode, 30 nA Shutdown mode, 120 nA Standby mode, 1.1 µA Stop 2 mode |
Key Features
- Ultra-low-power with FlexPowerControl
- Includes ST state-of-the-art patented technology
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter
- Up to 24 capacitive sensing channels
- 2x operational amplifiers with built-in PGA, 2x ultra-low-power comparators
- 20x communication interfaces including USB OTG, SAIs, I2Cs, USARTs, SPIs, and CAN
- Batch acquisition mode (BAM) and 4 µs wakeup from Stop mode
- Brown out reset (BOR) and interconnect matrix
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
The STM32L476VGT7 is suitable for a wide range of applications that require low power consumption and high performance. These include:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
- IoT devices and smart sensors
Q & A
- What is the core architecture of the STM32L476VGT7?
The STM32L476VGT7 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 STM32L476VGT7?
The microcontroller has up to 1 MB of flash memory and up to 128 KB of SRAM. - What is the power supply range for the STM32L476VGT7?
The power supply range is from 1.71 V to 3.6 V. - What are the temperature ranges supported by the STM32L476VGT7?
The device operates in the -40 °C to 85/105/125 °C temperature range. - What types of ADCs are available on the STM32L476VGT7?
The device features up to three fast 12-bit ADCs with a sampling rate of 5 Msps. - Does the STM32L476VGT7 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels. - What communication interfaces are available on the STM32L476VGT7?
The device includes USB OTG 2.0 full-speed, 2x SAIs, 3x I2Cs, 5x USARTs, 3x SPIs, and CAN 2.0B. - What are the power modes available on the STM32L476VGT7?
The device features several low-power modes including VBAT mode (300 nA), Shutdown mode (30 nA), Standby mode (120 nA), and Stop 2 mode (1.1 µA). - Is the STM32L476VGT7 suitable for industrial applications?
Yes, it is suitable for industrial automation and control systems due to its low power consumption and high reliability. - Does the STM32L476VGT7 support LCD displays?
Yes, it includes an integrated LCD driver 8x40 or 4x44 with an internal step-up converter.
