Microcontrollers

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Mfr Part #	Quantity Available	Price	Tariff Status	Series	Package	Product Status	DigiKey Programmable	Core Processor	Core Size	Speed	Connectivity	Peripherals	Number of I/O	Program Memory Size	Program Memory Type	EEPROM Size	RAM Size	Voltage - Supply (Vcc/Vdd)	Data Converters	Oscillator Type	Operating Temperature	Mounting Type	Supplier Device Package	Package / Case
ATMEGA328PB-AU IC MCU 8BIT 32KB FLASH 32TQFP Microchip Technology	11,328 In Stock	1 : $1.63000 Tray	-	AVR® ATmega, Functional Safety (FuSa)	Tray	Active	Verified	AVR	8-Bit	20MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	27	32KB (16K x 16)	FLASH	1K x 8	2K x 8	1.8V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	Surface Mount	32-TQFP (7x7)	32-TQFP
ATMEGA32A-AU IC MCU 8BIT 32KB FLASH 44TQFP Microchip Technology	943 In Stock	1 : $4.13000 Tray	-	AVR® ATmega	Tray	Active	Verified	AVR	8-Bit	16MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	32KB (16K x 16)	FLASH	1K x 8	2K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	Surface Mount	44-TQFP (10x10)	44-TQFP
STM32F103C8T6 IC MCU 32BIT 64KB FLASH 48LQFP STMicroelectronics	3,338 In Stock	1 : $6.08000 Tray	-	STM32F1	Tray	Active	Not Verified	ARM® Cortex®-M3	32-Bit	72MHz	CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB	DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT	37	64KB (64K x 8)	FLASH	-	20K x 8	2V ~ 3.6V	A/D 10x12b	Internal	-40°C ~ 85°C (TA)	Surface Mount	-	48-LQFP
ATMEGA128A-AU IC MCU 8BIT 128KB FLASH 64TQFP Microchip Technology	2,608 In Stock	1 : $7.22000 Tray	-	AVR® ATmega	Tray	Active	Verified	AVR	8-Bit	16MHz	EBI/EMI, I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	53	128KB (64K x 16)	FLASH	4K x 8	4K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	Surface Mount	64-TQFP (14x14)	64-TQFP

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Microcontroller products are relatively complex, user-programmable digital logic devices. Closely related to devices considered microprocessors, the distinction between the two reduces largely to the manufacturer's choice of noun, though by tradition microcontrollers integrate working memory, are more likely to incorporate mixed-signal peripherals and tend to be used with simpler software paradigms oriented toward repetitive execution of a predefined series of tasks.