ATMEGA644 - 8-bit Microcontroller

Product Overview

ATMEL Corporation

Datasheet Details

Part number	ATMEGA644
Manufacturer	ATMEL Corporation
File Size	2.91 MB
Description	8-bit Microcontroller
Datasheet	ATMEGA644 Datasheet
Additional preview pages of the ATMEGA644 datasheet.

Product details

Description

2.2.1 VCC 2.2.2 GND Digital supply voltage.2.2.3 Ground.Port A (PA7:PA0) Port A serves as analog inputs to the Analog-to-digital Converter.Port A also serves as an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit).The Port A output buffers have symmetrical drive characteristics with both high sink 4 ATmega644 2593O AVR 02/12 ATmega644 2.2.4 2.2.5 2.2.6 2.2.7 2.2.8 2.2.9 and source capability.As inputs, Port A pins that are exte

Features

High-performance, Low-power Atmel® AVR® 8-bit Microcontroller.
Advanced RISC Architecture.
131 Powerful Instructions.
Most Single-clock Cycle Execution.
32 × 8 General Purpose Working Registers.
Fully Static Operation.
Up to 20 MIPS Throughput at 20MHz.
High Endurance Non-volatile Memory segments.
64 Kbytes of In-System Self-programmable Flash program memory.
2 Kbytes EEPROM.
4 Kbytes Internal SRA.

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Published: Apr 26, 2007 |