Overview
The STM32L562VET6Q is a member of the STM32L5 Series of ultra-low-power microcontrollers from STMicroelectronics. It is based on the high-performance Arm® Cortex®-M33 32-bit RISC core, which includes a single-precision floating-point unit (FPU) and a full set of DSP instructions. This microcontroller is designed for IoT and embedded applications, emphasizing security and low power consumption.
The device operates at a frequency of up to 110 MHz and features a memory protection unit (MPU) for enhanced security. It includes 512 Kbytes of Flash memory and 256 Kbytes of SRAM, along with a flexible external memory controller and an Octo-SPI Flash memories interface.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU |
| Frequency | Up to 110 MHz |
| Memory | 512 Kbytes of Flash memory, 256 Kbytes of SRAM |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| Timers | Up to 16 timers (2 x 32-bit, 9 x 16-bit, 3 x low-power 16-bit, 2 x watchdogs) |
| Communication Peripherals | 4 x I2C, 3 x SPI, 6 x USART, 1 x FDCAN, 1 x SDMMC, 1 x USB Type-C™/USB power delivery controller |
| Analog Peripherals | 2 x 12-bit ADC, 2 x 12-bit DAC, 2 x operational amplifiers, 2 x ultra-low-power comparators |
| Security Features | AES coprocessor, public key accelerator (PKA), on-the-fly decryption engine, HASH hardware accelerator, true random number generator |
| Power Modes | VBAT mode, Shutdown mode, Standby mode, Stop 2 mode with RTC |
Key Features
- Ultra-low-power with FlexPowerControl, supporting various power-saving modes such as VBAT, Shutdown, Standby, and Stop 2 modes.
- High-performance Arm® Cortex®-M33 CPU with TrustZone® and FPU, supporting DSP instructions and a memory protection unit (MPU).
- Embedded security features including AES, PKA, on-the-fly decryption engine, HASH hardware accelerator, and a true random number generator.
- Rich analog peripherals including 2 x 12-bit ADC, 2 x 12-bit DAC, 2 x operational amplifiers, and 2 x ultra-low-power comparators.
- Extensive communication interfaces such as 4 x I2C, 3 x SPI, 6 x USART, 1 x FDCAN, 1 x SDMMC, and 1 x USB Type-C™/USB power delivery controller.
- Support for capacitive sensing with up to 22 channels and touch key, linear, and rotary touch sensors.
- Internal multispeed oscillators and PLLs for system clock, USB, audio, and ADC.
- Development support through serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ (ETM).
Applications
- IOT devices: The ultra-low power consumption and advanced security features make it ideal for IoT applications.
- Embedded systems: Suitable for various embedded applications requiring high performance and low power.
- Industrial automation: With its advanced motor control timers and communication peripherals, it is suitable for industrial automation.
- Point of Sales (POS) applications: Compliant with PCI requirements for secure transactions.
- Medical devices: The device's low power modes and rich analog peripherals make it suitable for medical device applications.
Q & A
- What is the core architecture of the STM32L562VET6Q?
The STM32L562VET6Q is based on the Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU.
- What is the maximum operating frequency of the STM32L562VET6Q?
The maximum operating frequency is up to 110 MHz.
- What are the power supply and temperature ranges for the STM32L562VET6Q?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/125 °C.
- What security features are embedded in the STM32L562VET6Q?
The device includes an AES coprocessor, public key accelerator (PKA), on-the-fly decryption engine, HASH hardware accelerator, and a true random number generator.
- What are the key analog peripherals of the STM32L562VET6Q?
The device features 2 x 12-bit ADC, 2 x 12-bit DAC, 2 x operational amplifiers, and 2 x ultra-low-power comparators.
- What communication interfaces are available on the STM32L562VET6Q?
The device includes 4 x I2C, 3 x SPI, 6 x USART, 1 x FDCAN, 1 x SDMMC, and 1 x USB Type-C™/USB power delivery controller.
- How does the STM32L562VET6Q support capacitive sensing?
The device supports up to 22 capacitive sensing channels and touch key, linear, and rotary touch sensors.
- What are the power-saving modes available on the STM32L562VET6Q?
The device supports VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode with RTC.
- What development tools are supported by the STM32L562VET6Q?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ (ETM).
- What are some typical applications for the STM32L562VET6Q?
Typical applications include IoT devices, embedded systems, industrial automation, POS applications, and medical devices.
- How does the STM32L562VET6Q ensure secure data storage and firmware updates?
The device implements secure boot, secure data storage, secure firmware installation, and secure firmware upgrade, along with multiple levels of readout protection and firmware hardware isolation.
