ATMEGA644PA-AU

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ATMEGA644PA-AU

IC MCU 8BIT 64KB FLASH 44TQFP

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Spezifikationen

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

Übersicht

Description

The ATmega644PA-AU is a microcontroller from Atmel's AVR family, designed for a variety of embedded applications. It features an 8-bit AVR RISC architecture, providing high performance and efficiency with a maximum clock speed of 20 MHz.
Key specifications include 64 KB of flash memory, 4 KB of SRAM, and 2 KB of EEPROM, allowing for extensive program and data storage. It supports up to 32 general-purpose I/O pins, enabling versatile interfacing with sensors and peripherals. The microcontroller also includes built-in peripherals such as three 16-bit timers, a 10-bit ADC (Analog-to-Digital Converter) with 8 channels, and USART for serial communication.
Additionally, the ATmega644PA-AU operates within a wide voltage range of 2.7V to 5.5V, making it suitable for battery-powered applications. Its low-power consumption features, along with support for various programming environments and tools, make it a popular choice for hobbyists and professionals alike in fields such as robotics, automation, and IoT (Internet of Things).

Features

The ATmega644PA-AU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) featuring the following key specifications:
- Architecture: AVR 8-bit RISC
- Memory: 64 KB of Flash memory, 4 KB of SRAM, and 2 KB of EEPROM
- I/O Pins: 32 programmable I/O lines
- Operating Speed: Up to 20 MHz
- Power Supply: 1.8V to 5.5V
- Timers: 3 Timer/Counters (2 with PWM capability)
- ADC: 10-bit ADC with up to 8 channels
- Communication: USART, SPI, I2C (TWI)
- Interrupts: 23 external interrupts
- Watchdog Timer: Integrated watchdog timer
- Low Power Modes: Multiple sleep modes for power conservation
- Package: Available in various packages, including TQFP and MLF
The ATmega644PA-AU is widely used in embedded systems and applications requiring versatility, performance, and low power consumption.

Package

The ATMEGA644PA-AU is packaged in a 32-pin TQFP (Thin Quad Flat Package) format. This surface-mount package measures 7mm x 7mm with a pitch of 0.8mm, suitable for compact applications in embedded systems.

Pinout

The ATmega644PA-AU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) that features a total of 32 pins in a TQFP (Thin Quad Flat Package) configuration. The pin count includes:
- 23 General Purpose I/O Pins: Configurable for input or output.
- 6 Analog Inputs (ADC): For reading analog signals.
- 3 Communication Interfaces:
- 1 USART (Universal Synchronous Asynchronous Receiver Transmitter)
- 1 SPI (Serial Peripheral Interface)
- 1 TWI (Two Wire Interface, also known as I2C)
- 2 External Interrupts: For handling asynchronous events.
- 1 Reset Pin: To reset the microcontroller.
- Power Supply Pins: Including VCC and GND.
The microcontroller operates at a maximum frequency of 20 MHz and features 64 KB of flash memory, 4 KB of SRAM, and 2 KB of EEPROM. It is suitable for a variety of embedded applications, including automation and control systems.

Manufacturer

The ATMEGA644PA-AU is manufactured by Microchip Technology Inc. Microchip is an American technology company that specializes in designing and manufacturing microcontrollers, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a wide range of industries, including automotive, consumer electronics, industrial automation, and telecommunications. The company is well-known for its microcontroller products, particularly in the AVR family, which are widely used in embedded systems and electronics development. Microchip combines innovative technologies with a strong emphasis on customer support and application development, making it a leader in the semiconductor industry.

Application

The ATmega644PA-AU microcontroller is commonly used in various application areas, including embedded systems, robotics, industrial automation, home automation, and consumer electronics. Its features enable it to handle tasks such as sensor data processing, motor control, and communication interfaces (UART, SPI, I2C). It is also utilized in educational projects, prototyping, and DIY electronics due to its ease of use and compatibility with Arduino platforms.

Equivalent

Equivalent products to the ATMEGA644PA-AU include the ATMEGA1284P-AU, which offers similar features with more memory, and the ATMEGA644P-AU, which is a variant without the 'A' designation. Other compatible alternatives are the ATmega32U4 (with integrated USB) and ATmega128P, though they differ in memory and peripherals. Always check specific requirements for compatibility with your application.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

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UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

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