Overview
The STM32L552CET6Q 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 DSP instructions. The Cortex-M33 core also features a memory protection unit (MPU) that enhances application security. The STM32L552CET6Q operates at frequencies up to 110 MHz and is designed for applications requiring high performance and low power consumption.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm Cortex-M33 32-bit RISC core with FPU and TrustZone |
| Frequency | Up to 110 MHz |
| Flash Memory | Up to 512 KB |
| SRAM | 256 KB, including 64 KB with hardware parity check |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| Power Modes | VBAT, Shutdown, Standby, Stop 2 with RTC |
| Current Consumption | 106 μA/MHz (LDO mode), 62 μA/MHz (SMPS mode) |
| Peripherals | Up to 19 communication peripherals, including USB, I2C, SPI, USART, SAIs, SDMMC, FDCAN |
| Security Features | Arm TrustZone, HASH hardware accelerator, true random number generator, secure firmware installation and upgrade |
| Package Options | LQFP48, LQFP64, LQFP100, UFBGA132, WLCSP81 |
Key Features
- Ultra-low-power consumption: Features like FlexPowerControl, batch acquisition mode (BAM), and various low-power modes (e.g., Shutdown, Standby, Stop 2 with RTC) ensure minimal energy usage.
- High-performance core: The Arm Cortex-M33 core with FPU and DSP instructions provides high processing capabilities.
- Advanced security: Includes Arm TrustZone, securable I/Os, memories, and peripherals, along with a HASH hardware accelerator and true random number generator.
- Rich analog peripherals: Two 12-bit ADCs, two 12-bit DACs, operational amplifiers, and ultra-low-power comparators.
- Extensive communication interfaces: Supports USB Type-C, USB 2.0, I2C, SPI, USART, SAIs, SDMMC, and FDCAN.
- Capacitive sensing: Up to 22 capacitive sensing channels for touch key, linear, and rotary touch sensors.
- Development support: Serial wire debug (SWD), JTAG, and Embedded Trace Macrocell (ETM).
Applications
- IoT Devices: Ideal for Internet of Things applications requiring low power consumption and high security.
- Industrial Automation: Suitable for industrial control systems, motor control, and other automation tasks.
- Medical Devices: Can be used in medical devices that require low power and advanced security features.
- Consumer Electronics: Applicable in various consumer electronics such as smart home devices, wearables, and more.
- Point of Sale (POS) Systems: Meets PCI requirements for secure transactions in POS applications.
Q & A
- What is the core architecture of the STM32L552CET6Q?
The STM32L552CET6Q is based on the Arm Cortex-M33 32-bit RISC core with a single-precision floating-point unit (FPU) and DSP instructions.
- What are the power supply and temperature range specifications?
The device operates with a power supply of 1.71 V to 3.6 V and a temperature range of -40 °C to 85/125 °C.
- What are the key security features of the STM32L552CET6Q?
The device includes Arm TrustZone, a HASH hardware accelerator, a true random number generator, and secure firmware installation and upgrade capabilities.
- What types of communication interfaces are supported?
The device supports USB Type-C, USB 2.0, I2C, SPI, USART, SAIs, SDMMC, and FDCAN.
- What are the available package options for the STM32L552CET6Q?
The device is available in LQFP48, LQFP64, LQFP100, UFBGA132, and WLCSP81 packages.
- How does the device manage power consumption?
The device features ultra-low-power modes such as Shutdown, Standby, and Stop 2 with RTC, along with FlexPowerControl and batch acquisition mode (BAM).
- What is the maximum frequency of the Cortex-M33 core?
The Cortex-M33 core operates at frequencies up to 110 MHz.
- What types of analog peripherals are available?
The device includes two 12-bit ADCs, two 12-bit DACs, operational amplifiers, and ultra-low-power comparators.
- Does the device support capacitive sensing?
Yes, the device supports up to 22 capacitive sensing channels for touch key, linear, and rotary touch sensors.
- What development tools are supported?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell (ETM) for development.
