STMicroelectronics' model STM32L431CCU6 (click to buy now) is a low-power 32-bit MCU microcontroller. It uses an ultra-low-power microcontroller with a high-performance Arm® Cortex®-M4 32-bit RISC core and operates at a frequency of up to 80MHz. The Cortex-M4 core features a floating-point unit (FPU) single precision and supports all Arm® single-precision data processing instructions and data types. It also implements a comprehensive set of DSP instructions and a Memory Protection Unit (MPU) that enhances application security.
The STM32L431CCU6 embeds high-speed memory (up to 256 KB of Flash and 64 KB of SRAM), a Quad SPI Flash interface (available on all packages) and a host of enhanced connectivity to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix I/O and peripherals. STM32L431CCU6 embeds several protection mechanisms for embedded flash and SRAM: read protection, write protection, proprietary code read protection and firewall.
STM32L431CCU6 provides a fast 12-bit ADC (5Msps), two comparators, an op amp, two DAC channels, an internal voltage reference buffer, a low-power RTC, a general-purpose 32-bit timer, a dedicated motor control 16-bit PWM timer, four general-purpose 16-bit timers and two 16-bit low-power timers. In addition, up to 21 capacitive sensing channels are available, and they feature standard and advanced communication interfaces.
Functional features of STM32L431CCU6
1. High performance: STM32L431CCU6 uses the ARM Cortex-M4 core, with a maximum frequency of up to 80MHz, supports floating point operations and DSP instructions, and provides fast and efficient data processing capabilities.
2. Low power consumption: STM32L431CCU6 adopts ultra-low power consumption technology and has multiple power-saving modes and power consumption optimization functions. It can achieve features such as long-term standby, low-voltage operation and quick wake-up, and is suitable for battery-powered or application scenarios with strict power consumption requirements.
3. Various interfaces: STM32L431CCU6 provides a wealth of interface options, including multiple general-purpose input and output pins, communication interfaces such as SPI, I2C, and USART, as well as analog and digital interfaces such as ADC, DAC, and PWM. It can flexibly connect external devices and sensors to meet various application needs.
4. Multiple memory options: STM32L431CCU6 has built-in large-capacity flash memory and SRAM, which can store code and data. In addition, external storage expansion such as SD card and EEPROM is supported to meet higher storage needs.
5. Strong security: STM32L431CCU6 has rich security functions, such as hardware encryption and verification, random number generator, independent watchdog and other mechanisms. Protects applications and data from unauthorized access and information leakage.
Application fields of STM32L431CCU6
STM32L431CCU6 features low power consumption and high performance and can be used in many different application fields. Its main application areas are as follows:
1. Internet of Things (IoT) devices: Due to its low power consumption and high performance, STM32L431CCU6 is widely used in IoT devices, such as sensor nodes, smart home devices, wireless monitoring systems, etc.
2. Industrial automation: STM32L431CCU6 is suitable for industrial automation applications, such as factory control systems, intelligent manufacturing equipment, robot control, etc., and can provide reliable real-time control and communication functions.
3. Medical equipment: STM32L431CCU6 can be used in medical equipment, such as portable medical equipment, health monitoring equipment, electrocardiographs, etc., with the characteristics of low power consumption and high precision.
4. Consumer electronics: STM32L431CCU6 is suitable for various consumer electronics, such as smart watches, smart wearable devices, game controllers, etc., to provide high performance and low power consumption.
5. Energy management: STM32L431CCU6 can be used in energy management systems, such as smart meters, photovoltaic systems, battery management systems, etc., to achieve efficient energy utilization through real-time monitoring and control.
6. Security system: STM32L431CCU6 is widely used in security systems, such as access control systems, smart locks, anti-theft alarm systems, etc., providing powerful control and encryption functions to ensure the security and confidentiality of the system.
Parameters of STM32L431CCU6
Brand: STMicroelectronics
Series: STM32L4
Installation type: SMT
Package/casing: UFQFPN48_7X7MM_EP
Working temperature: -40℃~+85℃
Interface: CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART
Part status: Active
CPU core: ARM Cortex-M4
Main frequency speed (Max): 80MHz
Number of I/Os: 39
Program space capacity: 256KB
Program space type: flash memory
Working voltage (range): 1.71V~3.6V
Memory RAM capacity: 64x8KB
Length x Width/Dimensions: 7.00 x 7.00mm
Height: 0.60mm
Pin diagram of STM32L431CCU6
STM32L431CCU6 functional block diagram
