atmega644v ATMEL Corporation, atmega644v Datasheet - Page 6

• Manufacturer Part Number: atmega644v
• Description: Atmega644 8-bit Avr Microcontroller With 64k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

2.2.10
2.2.11
3. Resources
6
ATmega644
AVCC
AREF
AVCC is the supply voltage pin for Port F and the Analog-to-digital Converter. It should be exter-
nally connected to V
to V
This is the analog reference pin for the Analog-to-digital Converter.
A comprehensive set of development tools, application notes and datasheetsare available for
download on http://www.atmel.com/avr.
CC
through a low-pass filter.
CC
, even if the ADC is not used. If the ADC is used, it should be connected
2593MS–AVR–08/07