Overview
The STM32L452RET6P is an ultra-low-power microcontroller from STMicroelectronics, based on the Arm Cortex-M4 core with a floating-point unit (FPU). This MCU is part of the STM32L4 series, known for its high performance and low power consumption. It is designed to meet the demands of applications requiring high processing capabilities and minimal energy usage.
Key Specifications
| Specification | Value |
|---|---|
| Core | Arm Cortex-M4 with FPU |
| Flash Memory | Up to 512 KB |
| SRAM | 160 KB |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 °C to 85/125 °C |
| UART | 1 |
| USART | 3 |
| SPI | 3 |
| I2C | 4 (FM+) |
| CAN | 1 (2.0B Active) |
| Timers (16-bit) | 5 |
| Timers (32-bit) | 1 |
| D/A Converters (12-bit) | 1 |
| Integrated Op-Amps | 1 |
| Comparators | 2 |
| High Current I/Os | 50 |
| SMPS | External |
Key Features
- Ultra-low-power consumption with FlexPowerControl, including modes such as VBAT, Shutdown, Standby, and Stop 2 modes.
- High performance with up to 100 DMIPS and a clock speed of up to 80 MHz.
- Rich analog peripherals including a 12-bit ADC, 12-bit DAC, operational amplifier, and ultra-low-power comparators.
- Multiple communication interfaces: USB 2.0, SAI, I2C, USART, UART, SPI, and CAN.
- Advanced timers and DMA controller for efficient data transfer.
- True random number generator and CRC calculation unit for enhanced security.
- Development support with serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- All packages are ECOPACK2® compliant, ensuring environmental sustainability.
Applications
- Industrial automation and control systems.
- Medical devices requiring low power consumption and high processing capabilities.
- Consumer electronics such as smart home devices and wearables.
- Automotive systems, including infotainment and driver assistance.
- IoT devices and smart sensors.
Q & A
- What is the core architecture of the STM32L452RET6P?
The STM32L452RET6P is based on the Arm Cortex-M4 core with a floating-point unit (FPU).
- What is the operating voltage range of the STM32L452RET6P?
The operating voltage range is from 1.71 V to 3.6 V.
- How much flash memory does the STM32L452RET6P have?
The STM32L452RET6P has up to 512 KB of flash memory.
- What are the power consumption modes available in the STM32L452RET6P?
The available modes include VBAT, Shutdown, Standby, and Stop 2 modes, among others.
- Does the STM32L452RET6P support USB communication?
- How many high current I/Os does the STM32L452RET6P have?
The STM32L452RET6P has 50 high current I/Os.
- What is the maximum operating temperature of the STM32L452RET6P?
The maximum operating temperature is up to 85/125 °C.
- Does the STM32L452RET6P have integrated op-amps and comparators?
- What kind of timers are available on the STM32L452RET6P?
The STM32L452RET6P has 5 x 16-bit timers and 1 x 32-bit timer.
- Is the STM32L452RET6P suitable for IoT applications?
