ATMEGA644-20AUR
IC MCU 8BIT 64KB FLASH 44TQFP

From Atmel

CategoryIntegrated Circuits (ICs)
ConnectivityI²C, SPI, UART/USART
Core ProcessorAVR
Core Size8-Bit
Data ConvertersA/D 8x10b
DatasheetsATMEGA644(V) Summary ATMEGA644/V Preliminary
Design ResourcesDevelopment Tool Selector
EEPROM Size2K x 8
FamilyEmbedded - Microcontrollers
Featured ProductAtmel - megaAVR Microcontrollers
For Use WithATATMEL-ICE-PCBA-ND - EMU FOR SAM AND AVR MCU PCB ONLY ATATMEL-ICE-BASIC-ND - EMU FOR SAM AND AVR MCU BASIC ATAVRDRAGON-ND - KIT DRAGON FLASH MEM AVR ATATMEL-ICE-ND - EMU FOR SAM AND AVR MCU KIT ATAVRONEKIT-ND - KIT AVR/AVR32 DEBUGGER/PROGRMMR 770-1007-ND - ISP 4PORT ATMEL AVR MCU SPI/JTAG
Number of I/O32
Online CatalogAVR® ATmega 64KB Flash
Operating Temperature-40°C ~ 85°C
Oscillator TypeInternal
Other NamesATMEGA644-20AURDKR
PCN PackagingTape and Reel Label Update 10/Feb/2015
Package / Case44-TQFP
PackagingDigi-Reel®
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
Product Photos44-TQFP
Product Training ModulesmegaAVR Introduction Software Framework (ASF) Example of Use Studio Introduction to Software Framework (ASF) Studio Development Environment Overview Part 1
Program Memory Size64KB (32K x 16)
Program Memory TypeFLASH
RAM Size4K x 8
SeriesAVR® ATmega
Speed20MHz
Standard Package1
Supplier Device Package44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd)2.7 V ~ 5.5 V

External links