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選取全部	屬性	值
	品牌	Microchip
	Product Type	Microcontroller
	Series	megaAVR
	Package Type	VQFN
	Mount Type	Surface
	Pin Count	44
	Device Core	AVR
	Data Bus Width	8bit
	Program Memory Size	64kB
	Interface Type	SPI, USART
	Maximum Clock Frequency	20MHz
	RAM Size	4kB
	Maximum Supply Voltage	5.5V
	Minimum Operating Temperature	-40°C
	Analogue Comparators	1
	Number of Programmable I/Os	32
	Maximum Operating Temperature	85°C
	Standards/Approvals	No
	Length	7.1mm
	Width	7.1 mm
	Height	0.95mm
	Minimum Supply Voltage	1.8V
	Number of Timers	2
	ADCs	8 x 10 Bit
	Automotive Standard	No
	Instruction Set Architecture	RISC
	Program Memory Type	FLASH

	選取全部
	品牌 Microchip
	Product Type Microcontroller
	Series megaAVR
	Package Type VQFN
	Mount Type Surface
	Pin Count 44
	Device Core AVR
	Data Bus Width 8bit
	Program Memory Size 64kB
	Interface Type SPI, USART
	Maximum Clock Frequency 20MHz
	RAM Size 4kB
	Maximum Supply Voltage 5.5V
	Minimum Operating Temperature -40°C
	Analogue Comparators 1
	Number of Programmable I/Os 32
	Maximum Operating Temperature 85°C
	Standards/Approvals No
	Length 7.1mm
	Width 7.1 mm
	Height 0.95mm
	Minimum Supply Voltage 1.8V
	Number of Timers 2
	ADCs 8 x 10 Bit
	Automotive Standard No
	Instruction Set Architecture RISC
	Program Memory Type FLASH

8-Bit PicoPower megaAVR Family Microcontrollers

This range of megaAVR microcontrollers feature picoPower technology — perfect for energy saving. They offer generous program and data memories with performance of up to 20 MIPS.

Features & Benefits of picoPower megaAVR microcontrollers

•On-chip Flash

•SRAM

•Internal EEPROM

•SPI

•TWI (I²C)

•USART, USB, CAN & LIN interfaces

•Watchdog timer

•Precision oscillator

•GPIO pins

•ADC

•DAC

•Built-in temperature sensor

•Internal voltage reference

•Brown-out detector

Microchip ATMEGA644PA-MU, 8 bit AVR, megaAVR Microcontroller, 20 MHz, 64kB FLASH, 44-Pin VQFN

8-Bit PicoPower megaAVR Family Microcontrollers

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