Specifications

Product overview and Technical data sheets

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Product Details

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Select all	Attribute	Value
	Brand	STMicroelectronics
	Family Name	STM32L4
	Package Type	UFQFPN
	Mounting Type	Surface Mount
	Pin Count	48
	Device Core	ARM Cortex M4
	Data Bus Width	32bit
	Program Memory Size	256 kB
	Maximum Frequency	80MHz
	RAM Size	160 kB
	Number of PWM Units	1 x 16 bit
	Number of SPI Channels	3
	Number of USART Channels	3
	Number of UART Channels	2
	Typical Operating Supply Voltage	3.6 (Maximum) V
	Number of CAN Channels	1
	Number of I2C Channels	4
	Maximum Operating Temperature	+85 °C
	Instruction Set Architecture	DSP, RISC
	Length	7.1mm
	Program Memory Type	Flash
	Number of ADC Units	1
	Pulse Width Modulation	1 (6 x 16 bit)
	Minimum Operating Temperature	-40 °C
	Height	0.6mm
	Width	7.1mm
	ADCs	16 x 12 bit
	Dimensions	7.1 x 7.1 x 0.6mm

	Select all
	Brand STMicroelectronics
	Family Name STM32L4
	Package Type UFQFPN
	Mounting Type Surface Mount
	Pin Count 48
	Device Core ARM Cortex M4
	Data Bus Width 32bit
	Program Memory Size 256 kB
	Maximum Frequency 80MHz
	RAM Size 160 kB
	Number of PWM Units 1 x 16 bit
	Number of SPI Channels 3
	Number of USART Channels 3
	Number of UART Channels 2
	Typical Operating Supply Voltage 3.6 (Maximum) V
	Number of CAN Channels 1
	Number of I2C Channels 4
	Maximum Operating Temperature +85 °C
	Instruction Set Architecture DSP, RISC
	Length 7.1mm
	Program Memory Type Flash
	Number of ADC Units 1
	Pulse Width Modulation 1 (6 x 16 bit)
	Minimum Operating Temperature -40 °C
	Height 0.6mm
	Width 7.1mm
	ADCs 16 x 12 bit
	Dimensions 7.1 x 7.1 x 0.6mm

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.

Units	Per unit	Per Pack*
2 - 64	HK$51.60	HK$103.20
66 - 128	HK$50.45	HK$100.90
130 +	HK$49.40	HK$98.80

STMicroelectronics, 32bit ARM Cortex M4, STM32L4 Microcontroller, 80MHz, 256 kB Flash, 48-Pin UFQFPN

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