規格
| 屬性 | 價值 |
| Package | Tray |
| Series | STM32L4 |
| ProductStatus | Active |
| CoreProcessor | ARM® Cortex®-M4 |
| CoreSize | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| NumberofI/O | 38 |
| ProgramMemorySize | 512KB (512K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 160K x 8 |
| Voltage-Supply(Vcc/Vdd) | 1.71V ~ 3.6V |
| DataConverters | A/D 10x12b; D/A 1x12b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 48-UFQFN Exposed Pad |
概述
Description
The STM32L451CEU6 is a microcontroller from STMicroelectronics' STM32L4 series, designed for ultra-low-power applications. It is built around the ARM Cortex-M4 core with a Floating Point Unit (FPU), operating at up to 80 MHz, which provides a balance of performance and power efficiency. The microcontroller features 256 KB of Flash memory and 64 KB of SRAM, making it suitable for complex applications with significant memory requirements.
Key peripherals include a wide range of I/O ports, multiple ADCs (Analog-to-Digital Converters), DAC (Digital-to-Analog Converter), timers, and communication interfaces like USART, I2C, and SPI. The STM32L451CEU6 also supports a range of power modes, enabling developers to optimize power consumption based on application demands. It integrates advanced security features, such as a true random number generator and hardware AES encryption, making it suitable for secure IoT applications.
This microcontroller is particularly beneficial for applications in the domains of wearable devices, medical gadgets, and industrial sensors, where energy efficiency and reliable performance are critical.
Key peripherals include a wide range of I/O ports, multiple ADCs (Analog-to-Digital Converters), DAC (Digital-to-Analog Converter), timers, and communication interfaces like USART, I2C, and SPI. The STM32L451CEU6 also supports a range of power modes, enabling developers to optimize power consumption based on application demands. It integrates advanced security features, such as a true random number generator and hardware AES encryption, making it suitable for secure IoT applications.
This microcontroller is particularly beneficial for applications in the domains of wearable devices, medical gadgets, and industrial sensors, where energy efficiency and reliable performance are critical.
Equivalent
The STM32L451CEU6 is part of the STM32L4 series, known for low-power and high-performance applications. Equivalent products can be found within the same series or from competitors offering similar features. Key alternatives may include:
1. STM32L452 series (e.g., STM32L452CEU6 – Offers additional features like extra timers.
2. STM32L431 series (e.g., STM32L431CEU6) – Lower power consumption variant.
From competitors:
1. NXP's LPC55S66 – Comparable Cortex-M33 MCU.
2. Microchip's SAM L21 series – Focus on low-power applications.
Each alternative has specific strengths and should be selected based on detailed specs.
1. STM32L452 series (e.g., STM32L452CEU6 – Offers additional features like extra timers.
2. STM32L431 series (e.g., STM32L431CEU6) – Lower power consumption variant.
From competitors:
1. NXP's LPC55S66 – Comparable Cortex-M33 MCU.
2. Microchip's SAM L21 series – Focus on low-power applications.
Each alternative has specific strengths and should be selected based on detailed specs.
Features
The STM32L451CEU6 is a microcontroller from STMicroelectronics, based on the ARM Cortex-M4 core, optimized for ultra-low-power applications. Key features include:
1. Core and Performance:
- ARM Cortex-M4 core with FPU (Floating Point Unit).
- Up to 80 MHz operating frequency.
- DSP (Digital Signal Processing) instructions.
2. Memory:
- 256 KB of Flash memory.
- 64 KB of SRAM.
- External memory interface support.
3. Power Efficiency:
- Ultra-low-power consumption modes.
- Multiple power-saving modes such as Sleep, Low-power Run, and Standby.
4. Peripherals:
- Up to 73 I/O ports.
- Rich set of peripherals including timers, ADC, DAC, and communication interfaces (UART, I2C, SPI).
- LCD support and capacitive touch sensing capability.
5. Security:
- Advanced security features including hardware encryption.
6. Package:
- Available in various compact packages, including UFQFPN48.
These features make the STM32L451CEU6 suitable for applications requiring a balance of performance and power efficiency.
1. Core and Performance:
- ARM Cortex-M4 core with FPU (Floating Point Unit).
- Up to 80 MHz operating frequency.
- DSP (Digital Signal Processing) instructions.
2. Memory:
- 256 KB of Flash memory.
- 64 KB of SRAM.
- External memory interface support.
3. Power Efficiency:
- Ultra-low-power consumption modes.
- Multiple power-saving modes such as Sleep, Low-power Run, and Standby.
4. Peripherals:
- Up to 73 I/O ports.
- Rich set of peripherals including timers, ADC, DAC, and communication interfaces (UART, I2C, SPI).
- LCD support and capacitive touch sensing capability.
5. Security:
- Advanced security features including hardware encryption.
6. Package:
- Available in various compact packages, including UFQFPN48.
These features make the STM32L451CEU6 suitable for applications requiring a balance of performance and power efficiency.
Pinout
The STM32L451CEU6 is a microcontroller from STMicroelectronics, part of the STM32L4 series, known for its ultra-low-power performance. It is housed in a UFQFPN48 package, which features 48 pins.
The key functions of the STM32L451CEU6 include:
1. Core: This microcontroller is based on the ARM Cortex-M4 core with FPU (Floating Point Unit), operating at up to 80 MHz, designed for high-performance tasks.
2. Memory: It includes 256 KB of Flash memory and 64 KB of SRAM, suitable for storing code and data.
3. Low Power: It offers multiple low-power modes, making it ideal for battery-operated devices.
4. Peripherals:
- Communication: Includes USART, I2C, SPI, and CAN interfaces.
- Timers: Multiple general-purpose and advanced timers.
- ADC/DAC: Contains a 12-bit ADC and a DAC for analog input and output.
- Other Features: USB, RTC, and numerous GPIOs for versatile applications.
The STM32L451CEU6 is suitable for applications requiring energy efficiency, processing power, and numerous peripherals.
The key functions of the STM32L451CEU6 include:
1. Core: This microcontroller is based on the ARM Cortex-M4 core with FPU (Floating Point Unit), operating at up to 80 MHz, designed for high-performance tasks.
2. Memory: It includes 256 KB of Flash memory and 64 KB of SRAM, suitable for storing code and data.
3. Low Power: It offers multiple low-power modes, making it ideal for battery-operated devices.
4. Peripherals:
- Communication: Includes USART, I2C, SPI, and CAN interfaces.
- Timers: Multiple general-purpose and advanced timers.
- ADC/DAC: Contains a 12-bit ADC and a DAC for analog input and output.
- Other Features: USB, RTC, and numerous GPIOs for versatile applications.
The STM32L451CEU6 is suitable for applications requiring energy efficiency, processing power, and numerous peripherals.
Manufacturer
The STM32L451CEU6 is manufactured by STMicroelectronics, a multinational electronics and semiconductor company. Headquartered in Geneva, Switzerland, STMicroelectronics is one of the largest semiconductor companies in the world, known for designing and manufacturing a wide range of semiconductor devices including microcontrollers, sensors, and power electronics. The company serves various sectors such as automotive, industrial, personal electronics, and communications equipment. STMicroelectronics focuses on innovation and sustainability, leveraging its expertise in different technologies to provide solutions that address the challenges of energy efficiency and digital transformation.
Application
The STM32L451CEU6 microcontroller is commonly used in applications requiring low power consumption and high performance. Key areas include:
1. Wearable Devices: Utilized for fitness trackers and smartwatches due to its energy efficiency.
2. IoT Devices: Suitable for sensors and connected devices in smart homes and industries.
3. Medical Equipment: Applied in portable medical devices needing precise control and reliability.
4. Consumer Electronics: Used in home automation systems and remote controls.
5. Industrial Automation: Employed in monitoring and control systems where low power is essential.
These applications benefit from the STM32L451CEU6's ultra-low-power architecture, versatile peripherals, and robust performance.
1. Wearable Devices: Utilized for fitness trackers and smartwatches due to its energy efficiency.
2. IoT Devices: Suitable for sensors and connected devices in smart homes and industries.
3. Medical Equipment: Applied in portable medical devices needing precise control and reliability.
4. Consumer Electronics: Used in home automation systems and remote controls.
5. Industrial Automation: Employed in monitoring and control systems where low power is essential.
These applications benefit from the STM32L451CEU6's ultra-low-power architecture, versatile peripherals, and robust performance.
Package
The STM32L451CEU6 microcontroller is housed in a UFQFPN48 package. UFQFPN stands for Ultra Thin Fine Pitch Quad Flat Package No Lead, featuring 48 pins. This package type is designed for compactness with efficient thermal performance and electrical connectivity, ideal for space-constrained applications.