STMicroelectronics' model STM32L451CEU6 (click to buy now) is a 32-bit MCU microcontroller, which uses a high-performance Arm® Cortex®-M4 32-bit RISC core ultra-low power microcontroller with an operating frequency of up to 80MHz. The Cortex-M4 core has a floating point unit (FPU) single precision and supports all Arm® single precision data processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security.
STM32L451CEU6 embeds high-speed memory (up to 512KB Flash, 160KB SRAM), Quad SPI Flash interface (available in all packages), and a large number of enhanced I /O and peripherals. The STM32L451CEU6 embeds several protection mechanisms for embedded Flash and SRAM: read protection, write protection, proprietary code read protection and firewall.
STM32L451CEU6 provides a fast 12-bit ADC (5Msps), two comparators, an operational amplifier, a DAC channel, an internal voltage reference buffer, a low-power RTC, a general-purpose 32-bit timer, a dedicated motor control 16-bit PWM timers, four general-purpose 16-bit timers, and two 16-bit low-power timers In addition, up to 21 capacitive sensing channels are available.
The STM32L451CEU6 also features standard and advanced communication interfaces, namely four I2Cs, three SPIs, three USARTs, one UART and one low-power UART, one SAI, one SDMMC and one CAN.
The STM32L451CEU6 operates in the temperature ranges of -40 to +85°C (+105°C junction) and -40 to +125°C with a supply voltage of 1.71 to 3.6 V. A comprehensive set of power-saving modes enables the design of low-power applications. The STM32L451CEU6 supports some independent power supplies: analog independent power inputs for ADC, DAC, OPAMP and comparators. VBAT input can backup RTC and backup registers.
Features of STM32L451CEU6
1. Low power consumption design: STM32L451CEU6 adopts the Ultra Low Power (ULP) technology of STM32L4 series, which has very low standby power consumption and operating power consumption, which can save power in applications and provide long battery life.
2. High-performance processor: Equipped with Cortex-M4 core, the main frequency can reach 80MHz, which can provide high-performance computing and processing capabilities.
3. Large-capacity flash memory and SRAM: STM32L451CEU6 is equipped with 512KB flash memory and 160KB SRAM, which can store a large amount of program code and data.
4. Powerful peripheral support: STM32L451CEU6 has rich peripheral interfaces, including multiple general-purpose timers, universal serial bus interfaces (SPI, I2C, UART), analog input/output, advanced controllers (such as DMA and RTC) etc., can meet various application requirements.
5. Rich security functions: STM32L451CEU6 has hardware encryption and security authentication functions, which can protect the data security of the system and support various security algorithms, such as AES, SHA, etc.
6. Multiple packaging options: STM32L451CEU6 provides multiple packaging options, such as LQFP64, UFBGA64, etc., and the most suitable package can be selected according to design requirements.
Application fields of STM32L451CEU6
STM32L451CEU6 is a low-power MCU microcontroller, suitable for a wide range of applications, and its main application areas are as follows:
1. Smart home and building automation: STM32L451CEU6 can be used to control home equipment, such as lighting systems, air conditioners, security systems, etc., to achieve intelligent and automated control.
2. Industrial automation: In the field of industrial control, STM32L451CEU6 can be used to monitor and control various industrial equipment, such as robots, PLC controllers, sensors, etc.
3. Medical equipment: STM32L451CEU6 can be used in patient monitoring equipment, mobile medical equipment and medical diagnostic equipment, helping the medical industry to improve accuracy and efficiency.
4. Smart wearable devices: STM32L451CEU6 can be used in smart wearable devices such as smart watches, smart glasses, fitness trackers, etc., providing various functions and sensor integration.
5. Energy management: STM32L451CEU6 can be used in applications such as energy management systems, smart meters and solar controllers to achieve energy monitoring, optimization and control.
6. Intelligent transportation and logistics: STM32L451CEU6 can be used in traffic signal light control, intelligent parking system, vehicle monitoring and logistics tracking and other applications to improve traffic efficiency and logistics management.
STM32L451CEU6 parameters
Brand: STMicroelectronics
Product Category: 32-bit MCU
Package: 48-UFQFPN(7x7)
Packing: tray
Core processor: ARM Cortex-M4
Kernel Specifications: 32-bit
Speed: 80MHz
Connectivity: CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART
Peripherals: Brown-out detection/reset, DMA, PWM, WDT
Number of I/Os: 38
Program storage capacity: 512KB (512K x 8)
Program Memory Type: Flash
RAM size: 160K x 8
Voltage - Supply (Vcc/Vdd): 1.71V ~ 3.6V
Data Converter: A/D 10x12b; D/A 1x12b
Oscillator Type: Internal
Working temperature: -40°C ~ 85°C(TA)
Mounting Type: Surface Mount Type
Basic product number: STM32L451
HTSUS: 8542.31.0001
Product application: ultra-low power consumption MCU
Pin diagram of STM32L451CEU6
STM32L451CEU6 driver diagram
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