Overview
The STM32L462VEI6TR 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 STM32L462VEI6TR is part of the STM32L462xx family, which is designed for low-power applications, offering a wide range of power-saving modes and a comprehensive set of peripherals. The device is suitable for various applications requiring high performance and low energy consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 80 MHz |
| Flash Memory | 512 KB |
| SRAM | 160 KB (including 32 KB with hardware parity check) |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| Power Consumption | 145 nA in VBAT mode, 22 nA in Shutdown mode, 106 nA in Standby mode, 375 nA in Standby mode with RTC, 2.05 µA in Stop 2 mode, 84 µA/MHz in run mode |
| Timers | 1x 32-bit, 5x 16-bit (including 1 advanced motor-control timer), 2x low-power 16-bit timers |
| Analog Peripherals | 1x 12-bit ADC (5 Msps), 1x 12-bit DAC, 1x operational amplifier, 2x ultra-low-power comparators |
| Communication Interfaces | 4x I2C, 3x SPI, 3x USART, 1x UART, 1x LPUART, 1x SAI, 1x SDMMC, 1x CAN (2.0B Active), 1x USB 2.0 full-speed |
| Package | UFBGA 100 7x7x0.6 P 0.5 mm |
Key Features
- Ultra-low-power with FlexPowerControl
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and DSP instructions
- High-speed memories: 512 KB Flash, 160 KB SRAM
- Quad SPI Flash memories interface
- Extensive range of enhanced I/Os and peripherals
- Advanced communication interfaces: I2C, SPI, USART, UART, SAI, SDMMC, CAN, USB
- AES hardware accelerator for 128/256-bit key encryption
- Low-power RTC with HW calendar, alarms, and calibration
- Up to 21 capacitive sensing channels
- Multiple power-saving modes: VBAT mode, Shutdown mode, Standby mode, Stop 2 mode
- Fast 12-bit ADC (5 Msps), 12-bit DAC, operational amplifier, and ultra-low-power comparators
- ECOPACK2® compliant packages
Applications
The STM32L462VEI6TR is suitable for a wide range of applications that require high performance and low energy consumption, such as:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics and appliances
- Automotive systems and telematics
- IoT devices and smart home applications
- Energy metering and smart grid solutions
Q & A
- What is the core architecture of the STM32L462VEI6TR?
The core architecture is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU).
- What is the maximum operating frequency of the STM32L462VEI6TR?
The maximum operating frequency is up to 80 MHz.
- What are the power supply and temperature ranges for the STM32L462VEI6TR?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/125 °C.
- What types of timers are available on the STM32L462VEI6TR?
The device includes 1x 32-bit timer, 5x 16-bit timers (including 1 advanced motor-control timer), and 2x low-power 16-bit timers.
- What analog peripherals are included in the STM32L462VEI6TR?
The device features a 12-bit ADC (5 Msps), a 12-bit DAC, an operational amplifier, and two ultra-low-power comparators.
- What communication interfaces are available on the STM32L462VEI6TR?
The device includes I2C, SPI, USART, UART, LPUART, SAI, SDMMC, CAN (2.0B Active), and USB 2.0 full-speed interfaces.
- Does the STM32L462VEI6TR support encryption?
Yes, it includes an AES hardware accelerator for 128/256-bit key encryption.
- What is the package type for the STM32L462VEI6TR?
The package type is UFBGA 100 7x7x0.6 P 0.5 mm.
- Is the STM32L462VEI6TR ECOPACK2® compliant?
Yes, the device is ECOPACK2® compliant.
- What are some typical applications for the STM32L462VEI6TR?
Typical applications include industrial automation, medical devices, consumer electronics, automotive systems, IoT devices, and energy metering solutions.
- How does the STM32L462VEI6TR manage power consumption?
The device features multiple power-saving modes such as VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode to manage power consumption effectively.
