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ATMEGA644A-AUR
+BOMIC MCU 8BIT 64KB FLASH 44TQFP
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ManufacturerMicrochip Technology
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Mfr. Part #ATMEGA644A-AUR
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In Stock7827
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Specifications
| Attribute | Value |
| Series | AVR® ATmega |
| Part Status | Active |
| DigiKey Programmable | Verified |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 64KB (32K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-TQFP (10x10) |
| Package / Case | 44-TQFP |
| Base Product Number | ATMEGA644 |
Overview
Description
The ATMEGA644A-AUR is a microcontroller from the AVR family, produced by Microchip Technology. Designed for embedded systems, it offers a balance of performance and power efficiency. The device operates with an 8-bit AVR RISC architecture, allowing execution of powerful instructions in a single clock cycle, thus achieving throughputs approaching 1 MIPS per MHz.
Key features include 64KB of in-system programmable flash memory, 4KB SRAM, and 2KB EEPROM, making it suitable for complex applications. It supports up to 20 MIPS throughput at 20 MHz and operates within a voltage range of 2.7V to 5.5V, offering flexibility for various applications.
Additional features include multiple communication interfaces such as USART, SPI, and I2C, alongside 32 general-purpose I/O lines, timers, and a 10-bit ADC. The ATMEGA644A-AUR is ideal for applications requiring moderate processing power and extensive peripheral interfacing, such as industrial control systems, consumer electronics, and data acquisition systems. Packaged in a TQFP-44, it is also designed for easy integration into compact designs.
Key features include 64KB of in-system programmable flash memory, 4KB SRAM, and 2KB EEPROM, making it suitable for complex applications. It supports up to 20 MIPS throughput at 20 MHz and operates within a voltage range of 2.7V to 5.5V, offering flexibility for various applications.
Additional features include multiple communication interfaces such as USART, SPI, and I2C, alongside 32 general-purpose I/O lines, timers, and a 10-bit ADC. The ATMEGA644A-AUR is ideal for applications requiring moderate processing power and extensive peripheral interfacing, such as industrial control systems, consumer electronics, and data acquisition systems. Packaged in a TQFP-44, it is also designed for easy integration into compact designs.
Equivalent
The ATMEGA644A-AUR is an 8-bit AVR microcontroller. Equivalent alternatives include:
1. ATMEGA644PA: A power-efficient version with similar features.
2. ATMEGA1284P: Offers more flash memory while maintaining similar architecture.
3. PIC18F46K22 (Microchip): A comparable 8-bit microcontroller from Microchip.
4. STM8S208 (STMicroelectronics): Another 8-bit option with similar peripheral support.
5. ATMEGA328P: With fewer I/O pins and memory, suitable for smaller applications.
Consider specifications like memory, I/O pins, and peripheral support when choosing alternatives.
1. ATMEGA644PA: A power-efficient version with similar features.
2. ATMEGA1284P: Offers more flash memory while maintaining similar architecture.
3. PIC18F46K22 (Microchip): A comparable 8-bit microcontroller from Microchip.
4. STM8S208 (STMicroelectronics): Another 8-bit option with similar peripheral support.
5. ATMEGA328P: With fewer I/O pins and memory, suitable for smaller applications.
Consider specifications like memory, I/O pins, and peripheral support when choosing alternatives.
Features
The ATmega644A-AUR is an 8-bit microcontroller from Microchip Technology, belonging to the AVR family. It features a RISC architecture with 64 KB of flash memory, 4 KB of SRAM, and 2 KB of EEPROM. The device operates at a maximum clock speed of 20 MHz and supports a wide voltage range from 2.7V to 5.5V, making it versatile for various applications.
Key features include 32 general-purpose I/O lines, a JTAG interface for on-chip debugging, and a range of timers and counters. It also supports USART, SPI, and TWI (I2C) communication protocols for enhanced connectivity. The microcontroller includes a 10-bit ADC with up to 8 channels, a programmable watchdog timer, and power-saving modes to optimize energy consumption.
The ATmega644A-AUR comes in a TQFP-44 package and is suitable for applications requiring moderate computational power, data processing, and peripheral interfacing, such as industrial control systems, consumer electronics, and home automation. Its reliability, ease of use, and extensive support from the AVR ecosystem make it a popular choice for developers.
Key features include 32 general-purpose I/O lines, a JTAG interface for on-chip debugging, and a range of timers and counters. It also supports USART, SPI, and TWI (I2C) communication protocols for enhanced connectivity. The microcontroller includes a 10-bit ADC with up to 8 channels, a programmable watchdog timer, and power-saving modes to optimize energy consumption.
The ATmega644A-AUR comes in a TQFP-44 package and is suitable for applications requiring moderate computational power, data processing, and peripheral interfacing, such as industrial control systems, consumer electronics, and home automation. Its reliability, ease of use, and extensive support from the AVR ecosystem make it a popular choice for developers.
Pinout
The ATmega644A-AUR is a microcontroller from Microchip Technology, featuring an 8-bit AVR RISC architecture. It comes in a 44-pin TQFP (Thin Quad Flat Pack) package.
Key features include:
- 44 pins for various interfacing and functions.
- 64 KB of in-system programmable flash memory.
- 4 KB of SRAM and 2 KB of EEPROM.
- 32 general-purpose I/O lines.
- Two 8-bit Timer/Counters and one 16-bit Timer/Counter.
- USART, SPI, and I2C interfaces for serial communication.
- 10-bit ADC with 8 multiplexed channels.
- Watchdog Timer for system reliability.
- Power-on Reset and programmable Brown-out Detection.
This microcontroller is designed for a wide range of applications, including consumer electronics, industrial control systems, and embedded systems, offering a balance of performance, power efficiency, and versatility.
Key features include:
- 44 pins for various interfacing and functions.
- 64 KB of in-system programmable flash memory.
- 4 KB of SRAM and 2 KB of EEPROM.
- 32 general-purpose I/O lines.
- Two 8-bit Timer/Counters and one 16-bit Timer/Counter.
- USART, SPI, and I2C interfaces for serial communication.
- 10-bit ADC with 8 multiplexed channels.
- Watchdog Timer for system reliability.
- Power-on Reset and programmable Brown-out Detection.
This microcontroller is designed for a wide range of applications, including consumer electronics, industrial control systems, and embedded systems, offering a balance of performance, power efficiency, and versatility.
Manufacturer
The ATMEGA644A-AUR is manufactured by Microchip Technology Inc. Microchip is a leading American semiconductor company that specializes in the production of microcontrollers, memory, and analog and interface products. They provide a broad range of embedded control solutions, which are utilized across various industries such as automotive, consumer electronics, industrial, and telecommunications. Microchip's products are known for their reliability and performance, and the company is recognized for its comprehensive support and innovative technology solutions in the field of embedded systems.
Application
The ATMEGA644A-AUR is a microcontroller used in various applications due to its versatility and features. Key areas include:
1. Embedded Systems: Used in consumer electronics, industrial automation, and home appliances.
2. Automotive: Applied for control systems and infotainment.
3. Internet of Things (IoT): Ideal for IoT devices requiring efficient processing and connectivity.
4. Robotics: Powers control systems for robotic operations.
5. Communication Devices: Used in modems and routers.
6. Medical Devices: Supports portable and wearable medical equipment.
7. Education and Prototyping: Popular in academic projects and development kits for learning and experimentation.
Its low power consumption and robust peripheral set make it suitable for a wide range of applications.
1. Embedded Systems: Used in consumer electronics, industrial automation, and home appliances.
2. Automotive: Applied for control systems and infotainment.
3. Internet of Things (IoT): Ideal for IoT devices requiring efficient processing and connectivity.
4. Robotics: Powers control systems for robotic operations.
5. Communication Devices: Used in modems and routers.
6. Medical Devices: Supports portable and wearable medical equipment.
7. Education and Prototyping: Popular in academic projects and development kits for learning and experimentation.
Its low power consumption and robust peripheral set make it suitable for a wide range of applications.
Package
The ATMEGA644A-AUR is a microcontroller produced by Microchip Technology, and it typically comes in a TQFP (Thin Quad Flat Pack) package type. The TQFP package for this model consists of 44 pins and is suitable for surface-mount technology, offering a compact and efficient design for embedded applications.
