STM32L431CBY6TR

Number of I/O:	39
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 10x12b, D/A 2x12b
Voltage - Supply (Vcc/Vdd):	1.71 V ~ 3.6 V
RAM Size:	64K x 8
EEPROM Size:	--
Program Memory Type:	FLASH
Program Memory Size:	128KB (128K x 8)
Series:	STM32L4
Peripherals:	Brown-out Detect/Reset, DMA, PWM, WDT
Connectivity:	CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART
Speed:	80MHz
Core Size:	32-Bit
Core Processor:	ARM® Cortex®-M4
Part Status:	Active
Packaging:	Tape & Reel (TR)

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STM32L431CBY6TR Application Field and Working PrincipleThe STM32L431CBY6TR is an ultra-low-power microcontroller, specificallyfrom the STM32L4 family. It is designed to be usedwithin embedded applications, making it especially usefulin mobile and portable embedded systems. It is fittedwith a Cortex M4 core and a 1MHz clock, making it idealfor low-power and small form factor applications.The STM32L431CBY6TR has been designed to achievelow-energy consumption and high performance. It has an87R-MIPS composite performance, coupled with a wide rangeof peripheral functions. Additionally, the STM32L431CBY6TRis very efficient in terms of both power consumption and thermalmanagement, which makes it well-suited for embedded systemapplications.The STM32L431CBY6TR has a dual-channel Flash memory,which provides a combined memory size of 256 Kbytes.It also has 128K bytes of SRAM, a 32-bit DMA controller,and a 12-bit analog to digital converter. In addition,it is also fitted with up to nine communicationinterfaces, including USART, SPI, I2C, USB, and CAN.This makes the STM32L431CBY6TR the ideal microcontrollerfor applications requiring low power, advancedperipheral functions, and multiple communication interfaces.The STM32L431CBY6TR is also designed to run in bothprivileged and user modes, which enables efficient and secureoperating system implementations. At the center of theSTM32L431CBY6TR is the Cortex-M4 core, which is hardware acceleratesoftware tasks. Additionally, the STM32L431CBY6TR also supportsdebugging through the SWD, which is a standard-basedpackage.The working principle of the STM32L431CBY6TR is basedon the Von Neumann architecture. This architecture utilizesthe stored memory as well as an instruction set of commands.These commands are read from the memory anddecoded by the Control Unit. The Control Unit thenprocesses the instruction and provides the signalsrequired to execute it.The STM32L431CBY6TR also provides hardware supportfor interrupt handling, which allows the user to be notifiedof an event happening in the system by sending interruptsignals. This helps improve the performance of thesystem, as it eliminates the need for software polling.In conclusion, the STM32L431CBY6TR is an ultra-low-poweredmicrocontroller designed specifically for embedded applications.It provides low-energy consumption and high performance,and is fitted with a Cortex M4 core and a 1MHz clock. Inaddition, the STM32L431CBY6TR also comes with multiplecommunication interfaces, a dual-channel Flash memory,128 Kbytes of SRAM, a 32-bit DMA controller, anda 12-bit analog to digital converter. Finally, the STM32L431CBY6TR also provides debug supportand interrupt handling, which makes it a great choicefor embedded system applications.

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