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

MSP430G2553IRHB32R IC MCU 16BIT 16KB FLASH 32VQFN Texas Instruments	26,623 In Stock 1,549 Marketplace	1 : £2.27000 Cut Tape (CT) 3,000 : £1.07631 Tape & Reel (TR) 208 : £1.11159 Bulk	MSP430G2xx	Tape & Reel (TR) Cut Tape (CT) Digi-Reel® Bulk	Active	Not Verified	MSP430 CPU16	16-Bit	16MHz	I2C, IrDA, LINbus, SCI, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	24	16KB (16K x 8)	FLASH	-	512 x 8	1.8V ~ 3.6V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	Surface Mount	32-VQFN (5x5)	32-VFQFN Exposed Pad
ATMEGA324PA-AN IC MCU 8BIT 32KB FLASH 44TQFP Microchip Technology	114 In Stock	1 : £4.06000 Tray	AVR® ATmega	Tray	Active	Verified	AVR	8-Bit	20MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	32KB (16K x 16)	FLASH	1K x 8	2K x 8	1.8V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 105°C (TA)	Surface Mount	44-TQFP (10x10)	44-TQFP
PIC16F1459-E/SS IC MCU 8BIT 14KB FLASH 20SSOP Microchip Technology	0 In Stock Check Lead Time	402 : £1.47187 Tube	PIC® XLP™ 16F	Tube	Active	Not Verified	PIC	8-Bit	48MHz	I2C, LINbus, SPI, UART/USART, USB	Brown-out Detect/Reset, POR, PWM, WDT	14	14KB (8K x 14)	FLASH	-	1K x 8	2.3V ~ 5.5V	A/D 9x10b; D/A 1x5b	Internal	-40°C ~ 125°C (TA)	Surface Mount	20-SSOP	20-SSOP (0.209", 5.30mm Width)

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Microcontrollers

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.