Microchip ATMEGA644P-20AU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 44-Pin TQFP

RS Stock No.:: 131-0319
Mfr. Part No.:: ATMEGA644P-20AU
Brand:: Microchip

Microchip ATMEGA644P-20AU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 44-Pin TQFP

400 In Global stock for delivery within 10 working day(s)

Added

Price (ex. GST) Each

$11.08

(exc. GST)

$12.19

(inc. GST)

Units	Per unit
1 - 9	$11.08
10 - 24	$10.97
25 +	$10.64

RS Stock No.:: 131-0319
Mfr. Part No.:: ATMEGA644P-20AU
Brand:: Microchip

Technical data sheets

Legislation and Compliance

Product Details

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

For products that are Customized and under Non-cancellable & Non-returnable, Sales & Conditions apply.

Specifications

Attribute	Value
Family Name	ATmega
Package Type	TQFP
Mounting Type	Surface Mount
Pin Count	44
Device Core	AVR
Data Bus Width	8bit
Program Memory Size	64 kB
Maximum Frequency	20MHz
RAM Size	4 kB
USB Channels	0
Number of PWM Units	1
Number of SPI Channels	3
Number of UART Channels	2
Number of USART Channels	2
Typical Operating Supply Voltage	2.7 → 5.5 V
Number of I2C Channels	1
Number of CAN Channels	0
Dimensions	10.1 x 10.1 x 1.05mm
Pulse Width Modulation	1 (6 Channel)
Height	1.05mm
Minimum Operating Temperature	-40 °C
Instruction Set Architecture	RISC
Number of PCI Channels	0
Width	10.1mm
Number of ADC Units	1
Number of LIN Channels	0
Maximum Operating Temperature	+85 °C
Number of Ethernet Channels	0
Length	10.1mm
ADCs	8 x 10 bit
Program Memory Type	Flash
Maximum Number of Ethernet Channels	0