Overview
The STM32L562QEI6TR is a member of the STM32L5 series of ultra-low-power microcontrollers from STMicroelectronics. This device is based on the high-performance Arm® Cortex®-M33 32-bit RISC core, which includes a single-precision floating-point unit (FPU) and supports all Arm® single-precision data-processing instructions. The Cortex®-M33 core also features DSP instructions and a memory protection unit (MPU) for enhanced security. The STM32L562QEI6TR is designed to offer high processing power and energy efficiency, making it suitable for battery-operated devices and power-sensitive applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU |
| Frequency | Up to 110 MHz |
| Flash Memory | Up to 512 Kbytes, two banks read-while-write |
| SRAM | 256 Kbytes, including 64 Kbytes with hardware parity check |
| External Memory Interface | Supporting SRAM, PSRAM, NOR, NAND, and FRAM memories |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| Power Modes | VBAT mode: 187 nA, Shutdown mode: 17 nA, Standby mode: 108 nA, Stop 2 mode with RTC: 3.16 μA |
| Timers | Up to 16 timers and 2 watchdogs |
| Communication Peripherals | Four I2Cs, three SPIs, three USARTs, two UARTs, one low-power UART, two SAIs, one SDMMC, one FDCAN, USB device FS, USB Type-C / USB power delivery controller |
| Security Features | AES coprocessor, public key accelerator, on-the-fly decryption engine for Octo-SPI external memories, HASH hardware accelerator, true random number generator |
| Package | UFBGA 132 7x7x0.6 P 0.5 mm |
Key Features
- Ultra-low-power with FlexPowerControl, supporting various power-saving modes such as VBAT, Shutdown, Standby, and Stop 2 modes.
- Advanced security features including Arm® TrustZone®, AES coprocessor, public key accelerator, on-the-fly decryption engine for Octo-SPI external memories, and HASH hardware accelerator.
- Rich analog peripherals including two 12-bit ADCs (5 Msps), two DAC channels, two operational amplifiers, and two ultra-low-power comparators.
- Extensive connectivity options such as four I2Cs, three SPIs, three USARTs, two UARTs, one low-power UART, two SAIs, one SDMMC, one FDCAN, and USB device FS with USB Type-C / USB power delivery controller.
- Support for touch key, linear, and rotary touch sensors with up to 22 capacitive sensing channels.
- Internal voltage reference buffer, low-power RTC, and multiple timers including general-purpose, motor-control, and low-power timers.
- Active tamper detection and protection against transient and environmental perturbation attacks.
Applications
The STM32L562QEI6TR is ideal for a wide range of applications, including:
- Internet of Things (IoT) devices
- Industrial control systems
- Consumer electronics
- Battery-operated devices requiring low power consumption
- Point of Sales (POS) applications due to its compliance with PCI requirements
- Automotive and industrial automation systems
Q & A
- What is the core architecture of the STM32L562QEI6TR?
The STM32L562QEI6TR is based on the Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU.
- What is the maximum frequency of the STM32L562QEI6TR?
The maximum frequency is up to 110 MHz.
- What are the power supply and temperature ranges of the STM32L562QEI6TR?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/125 °C.
- What are the key security features of the STM32L562QEI6TR?
The device includes an AES coprocessor, public key accelerator, on-the-fly decryption engine for Octo-SPI external memories, HASH hardware accelerator, and a true random number generator.
- What types of communication peripherals are available on the STM32L562QEI6TR?
The device supports four I2Cs, three SPIs, three USARTs, two UARTs, one low-power UART, two SAIs, one SDMMC, one FDCAN, and USB device FS with USB Type-C / USB power delivery controller.
- What are the power modes supported by the STM32L562QEI6TR?
The device supports VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode with RTC.
- What is the package type of the STM32L562QEI6TR?
The package type is UFBGA 132 7x7x0.6 P 0.5 mm.
- What are the analog peripherals available on the STM32L562QEI6TR?
The device includes two 12-bit ADCs (5 Msps), two DAC channels, two operational amplifiers, and two ultra-low-power comparators.
- Does the STM32L562QEI6TR support capacitive sensing?
Yes, it supports up to 22 capacitive sensing channels and touch key, linear, and rotary touch sensors.
- What are some typical applications for the STM32L562QEI6TR?
Typical applications include IoT devices, industrial control systems, consumer electronics, and battery-operated devices.
