Microcontrollers

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	Mfr Part #	Quantity Available	Price	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
	PIC18F2520-I/SO IC MCU 8BIT 32KB FLASH 28SOIC Microchip Technology	1,593 In Stock	1 : £4.49000 Tube	PIC® 18F	Tube	Active	Verified	PIC	8-Bit	40MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	25	32KB (16K x 16)	FLASH	256 x 8	1.5K x 8	4.2V ~ 5.5V	A/D 10x10b	Internal	-40°C ~ 85°C (TA)	Surface Mount	28-SOIC	28-SOIC (0.295", 7.50mm Width)
	ATXMEGA128A1U-AU IC MCU 8/16B 128KB FLASH 100TQFP Microchip Technology	1,640 In Stock	1 : £6.07000 Tray	AVR® XMEGA® A1U	Tray	Active	Not Verified	AVR	8/16-Bit	32MHz	EBI/EMI, I2C, IrDA, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	78	128KB (64K x 16)	FLASH	2K x 8	8K x 8	1.6V ~ 3.6V	A/D 16x12b; D/A 4x12b	Internal	-40°C ~ 85°C (TA)	Surface Mount	100-TQFP (14x14)	100-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.