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ATMEGA644PA-AUR

Name: ATMEGA644PA-AUR
Rating: 4.7 (12 reviews)

IC MCU 8BIT 64KB FLASH 44TQFP

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製造商。部分 #ATMEGA644PA-AUR
包 TQFP-44
資料表 ATMEGA644PA-AUR DataSheet
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規格

Package	Bulk
Series	AVR® ATmega
ProductStatus	Active
CoreProcessor	AVR
CoreSize	8-Bit
Speed	20MHz
Connectivity	I²C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O	32
ProgramMemorySize	64KB (32K x 16)
ProgramMemoryType	FLASH
EEPROMSize	2K x 8
RAMSize	4K x 8
Voltage-Supply(Vcc/Vdd)	1.8V ~ 5.5V
DataConverters	A/D 8x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	44-TQFP

概述

Description

The ATmega644PA-AUR is a microcontroller from Atmel’s AVR family, featuring an 8-bit AVR RISC architecture. It operates at a maximum clock speed of 20 MHz and comes with 64 KB of Flash memory, 4 KB of SRAM, and 2 KB of EEPROM, making it suitable for various applications requiring moderate processing power and memory.
Key features include 32 general-purpose I/O pins, 6-channel 10-bit ADC, 4 PWM channels, and multiple communication interfaces like USART, SPI, and I2C. Its versatile pin configuration allows for extensive flexibility in circuit design.
The microcontroller supports several operating modes for power efficiency, making it ideal for battery-powered devices. The ATmega644PA is often used in embedded systems, robotics, sensor interfacing, and DIY electronics projects. Its compatibility with the Arduino ecosystem also facilitates easier implementation for hobbyists and developers. Overall, the ATmega644PA-AUR provides a robust platform for a wide range of electronic applications.

Features

The ATmega644PA-AUR is an AVR microcontroller from Microchip Technology, featuring a 16-bit AVR architecture. Key specifications include:
- Memory: 64KB of flash memory for code storage, 4KB of SRAM, and 2KB of EEPROM.
- I/O Ports: 32 programmable I/O pins, allowing flexible interfacing with external devices.
- Clock Speed: Operates at up to 20 MHz.
- ADC: 10-bit Analog-to-Digital Converter with up to 8 channels.
- Timers: Three 8-bit and one 16-bit timer/counter for precise timing and event scheduling.
- Communication: Supports USART, SPI, and I2C protocols for serial communication.
- Power Consumption: Low power operation for battery-powered applications, with various sleep modes.
- Operating Voltage: 1.8V to 5.5V.
- Package: Available in a 32-pin TQFP package.
The ATmega644PA-AUR is ideal for embedded systems, robotics, and control applications, providing a balance of performance and low power consumption.

Package

The ATMEGA644PA-AUR is available in a TQFP (Thin Quad Flat Package) package type, specifically in a 32-pin configuration. This surface-mount package is designed for compact applications, allowing for efficient use of PCB space.

Pinout

The ATmega644PA-AUR is an 8-bit microcontroller from Microchip Technology, part of the AVR family. It features a pin count of 32 pins in a TQFP (Thin Quad Flat Package) format.
Key functions include:
- I/O Ports: 23 programmable I/O lines.
- Analog-to-Digital Converter (ADC): 8-channel, 10-bit ADC.
- Timers: Three timers (two 8-bit and one 16-bit).
- USART: Universal Synchronous and Asynchronous serial Receiver and Transmitter.
- SPI: Serial Peripheral Interface for communication with other devices.
- I2C: TWI (Two Wire Interface) for multi-master and multi-slave communication.
- External Interrupts: Several external interrupt options.
- Memory: 64 KB flash memory, 2 KB SRAM, and 2 KB EEPROM.
This microcontroller is suitable for various applications including automotive, industrial control, and consumer electronics.

Manufacturer

The ATMEGA644PA-AUR is manufactured by Microchip Technology Inc. Microchip is a publicly traded company that specializes in the design and manufacturing of microcontrollers, analog semiconductors, and memory products. Founded in 1989 and headquartered in Chandler, Arizona, it serves a wide range of industries, including automotive, industrial, consumer, and communications. Microchip is known for its focus on embedded control applications and offers a broad portfolio of products, tools, and services to support developers and engineers in their designs.

Application

The ATmega644PA-AUR microcontroller is widely used in embedded systems for applications such as robotics, home automation, industrial control, sensor interfacing, data logging, and communication systems. Its versatility makes it suitable for projects requiring GPIO control, analog-to-digital conversion, and PWM output, often found in hobbyist and educational platforms, as well as in professional product development.

Equivalent

Equivalent products to the ATMEGA644PA-AUR include the ATMEGA1284P-AUR, which offers similar features with more memory, and the ATMEGA32A, which is a lower-capacity alternative. Other options include the ATMEGA16 and ATMEGA32, though they may have different pin configurations or capabilities. Always check specific features like I/O pins, memory, and peripherals to ensure compatibility for your application.