Overview
The STM32L562CET6P 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 a full set of DSP instructions and a memory protection unit (MPU) to enhance application security.
The STM32L562CET6P is designed to operate at frequencies up to 110 MHz and offers a range of power-saving modes, making it ideal for low-power applications. It supports a wide temperature range of -40 °C to 85/125 °C and operates from a 1.71 to 3.6 V power supply.
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 |
| 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, 3 x USART, 2 x SAIs, 1 x FDCAN, 1 x SDMMC, 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, on-the-fly decryption engine, HASH hardware accelerator, true random number generator |
| Package | LQFP100 (14 x 14 mm) |
Key Features
- Ultra-low-power with FlexPowerControl and multiple power-saving modes (e.g., Shutdown, Standby, Stop 2 with RTC)
- Batch acquisition mode (BAM) and support for external memory interfaces (SRAM, PSRAM, NOR, NAND, FRAM)
- Advanced security features including Arm® TrustZone®, secure firmware installation, and protection against transient and environmental perturbations
- Rich analog peripherals with independent supply inputs for ADC, DAC, OPAMPs, and comparators
- Support for capacitive sensing channels and touch key, linear, and rotary touch sensors
- Comprehensive clock management with internal oscillators and PLLs for system clock, USB, audio, and ADC
- Development support through serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ (ETM)
Applications
- Point of Sale (POS) systems due to PCI compliance and advanced security features
- Industrial automation and control systems leveraging the advanced motor control timers and communication peripherals
- IoT devices requiring low power consumption and robust security mechanisms
- Medical devices that need precise analog measurements and low power operation
- Automotive systems, particularly those requiring CAN FD and advanced security features
Q & A
- What is the core architecture of the STM32L562CET6P?
The STM32L562CET6P is based on the Arm® 32-bit Cortex®-M33 CPU with TrustZone® and a single-precision floating-point unit (FPU).
- What is the maximum operating frequency of the STM32L562CET6P?
The maximum operating frequency is up to 110 MHz.
- What are the power-saving modes available on the STM32L562CET6P?
The device supports multiple power-saving modes including Shutdown, Standby, Stop 2 with RTC, and others.
- What security features are integrated into the STM32L562CET6P?
The device includes an AES coprocessor, public key accelerator, on-the-fly decryption engine, HASH hardware accelerator, and a true random number generator.
- What types of communication peripherals are available on the STM32L562CET6P?
The device features 4 x I2C, 3 x SPI, 3 x USART, 2 x SAIs, 1 x FDCAN, 1 x SDMMC, and a USB Type-C™/USB power delivery controller.
- What is the temperature range for the STM32L562CET6P?
The device operates in the -40 °C to 85/125 °C temperature range.
- What is the power supply range for the STM32L562CET6P?
The device operates from a 1.71 V to 3.6 V power supply.
- Does the STM32L562CET6P support external memory interfaces?
Yes, it supports SRAM, PSRAM, NOR, NAND, and FRAM memories through an external memory interface.
- What are the key analog peripherals of the STM32L562CET6P?
The device includes 2 x 12-bit ADC, 2 x 12-bit DAC, 2 x operational amplifiers, and 2 x ultra-low-power comparators.
- Is the STM32L562CET6P suitable for capacitive sensing applications?
Yes, it supports up to 22 capacitive sensing channels and touch key, linear, and rotary touch sensors.
