Specifications

Technical data sheets

Legislation and Compliance

Product Details

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Select all	Attribute	Value
	Brand	STMicroelectronics
	Series	STM32L451RE
	Product Type	Microcontroller
	Package Type	LQFP
	Mount Type	Surface
	Pin Count	64
	Device Core	ARM Cortex M4
	Data Bus Width	32bit
	Program Memory Size	512kB
	Maximum Clock Frequency	80MHz
	RAM Size	160kB
	Maximum Supply Voltage	3.6V
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	85°C
	Width	10 mm
	DACs	1 x 12 Bit
	Number of Programmable I/Os	83
	Maximum Power Dissipation Pd	345mW
	Standards/Approvals	No
	Length	10mm
	Analogue Comparators	2
	Height	1.45mm
	Minimum Supply Voltage	1.71V
	Automotive Standard	No
	Instruction Set Architecture	RISC, DSP
	ADCs	16 x 12 Bit
	Program Memory Type	FLASH
	Number of Timers	5

	Select all
	Brand STMicroelectronics
	Series STM32L451RE
	Product Type Microcontroller
	Package Type LQFP
	Mount Type Surface
	Pin Count 64
	Device Core ARM Cortex M4
	Data Bus Width 32bit
	Program Memory Size 512kB
	Maximum Clock Frequency 80MHz
	RAM Size 160kB
	Maximum Supply Voltage 3.6V
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 85°C
	Width 10 mm
	DACs 1 x 12 Bit
	Number of Programmable I/Os 83
	Maximum Power Dissipation Pd 345mW
	Standards/Approvals No
	Length 10mm
	Analogue Comparators 2
	Height 1.45mm
	Minimum Supply Voltage 1.71V
	Automotive Standard No
	Instruction Set Architecture RISC, DSP
	ADCs 16 x 12 Bit
	Program Memory Type FLASH
	Number of Timers 5

Datasheet

COO (Country of Origin):: CN

The STM32L451xx devices are the ultra-low-power microcontrollers based on the high-performance ARM® Cortex®-M4 32-bit RISC core operating at a frequency of up to 80 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision which 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) which enhances application security.

The STM32L451xx devices embed high-speed memories, a Quad SPI flash memories interface and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.

The devices offer a fast 12-bit ADC (5 Msps), two comparators, one operational amplifier, one DAC channel, an internal voltage reference buffer, a low-power RTC, one general-purpose 32-bit timer, one 16-bit PWM timer dedicated to motor control, four general-purpose 16-bit timers, and two 16-bit low-power timers.

STMicroelectronics STM32L451RET6, 32 bit ARM Cortex M4, STM32L451RE Microcontroller, 80 MHz, 512kB FLASH, 64-Pin LQFP

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