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Microchip 8 bit AVR ATmega Microcontroller 20 MHz 64kB FLASH 40-Pin PDIP ATMEGA644PA-PU
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 4.44mm |
| Length | 52.57mm |
| Model | ATMEGA644PA-PU |
| Width | 13.97mm |
| Mount Type | Through Hole |
| Series | Atmega |
| Maximum Operating Temperature | 85°C |
| Package Type | PDIP |
| Minimum Operating Temperature | -40°C |
| Ram size | 4kB |
| Interface Type | SPI, USART |
| Pin Count | 40 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Device Core | AVR |
| Program Memory Size | 64kB |
| Maximum Clock Frequency | 20MHz |
| Number of Programmable I/Os | 32 |
| Analogue Comparators | 1 |
| Number of Timers | 2 |
| Instruction Set Architecture | RISC |
| ADCs | 8 x 10 Bit |
| Program Memory Type | FLASH |
Key Features
- Features 8-bit AVR RISC architecture for efficient performance.
- Includes 4kB RAM and 64kB on-chip Flash program memory.
- Provides multiple interfaces including SPI and USART for connectivity.
- Operates with a wide supply voltage range from 1.8V up to 5.5V.
- Supports 32 programmable I/O pins for versatile use.
- Equipped with 8 channels of 10-bit ADC and on-chip EEPROM.
- Includes watchdog timer and precision oscillator for reliability.
- Temperature range supports operation from -40°C to 85°C.
Product Description
Microchip ATMEGA644PA-PU 8 bit AVR microcontroller operates at 20 MHz with a 64kB Flash program memory and 4kB SRAM, offering robust and efficient computing power for embedded systems.
Its 40-pin PDIP package supports through-hole mounting, making it well-suited for prototyping and development in both industrial and laboratory electronics projects.
This microcontroller features 32 programmable I/O lines, multiple communication interfaces such as SPI and USART, and built-in peripherals including an 8-channel 10-bit ADC, watchdog timer, and precision oscillator, which enhance device capability and system reliability.
Designed under the megaAVR family with picoPower technology, it provides excellent energy efficiency, ideal for battery-powered or low-power applications.
The device supports a wide operating voltage range from 1.8V to a maximum of 5.5V and can work in ambient temperatures ranging from -40°C to 85°C, making it suitable for harsh environments.
Applications include industrial automation, instrumentation, consumer electronics, and educational development boards. Package dimensions measure approximately 52.57 mm length, 13.97 mm width, and 4.44 mm height, enabling compact PCB designs.
Features 8-bit AVR RISC architecture for efficient performance. Includes 4kB RAM and 64kB on-chip Flash program memory. Provides multiple interfaces including SPI and USART for connectivity. Operates with a wide supply voltage range from 1.8V up to 5.5V.
Supports 32 programmable I/O pins for versatile use. Equipped with 8 channels of 10-bit ADC and on-chip EEPROM. Includes watchdog timer and precision oscillator for reliability. Temperature range supports operation from -40°C to 85°C.
Package type is PDIP with through-hole mount suitable for prototyping. Dimensions of approximately 52.57mm length, 13.97mm width, and 4.44mm height. Explore the Microcontroller category on EnvMart for detailed comparisons and additional supporting components for embedded system designs.
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Frequently Asked Questions
The ATMEGA644PA-PU operates at a maximum clock frequency of 20 MHz.
It features a program memory size of 64kB, utilizing FLASH technology.
This microcontroller supports 32 programmable I/O pins, allowing for versatile use in various applications.
It includes multiple communication interfaces such as SPI and USART for connectivity.
The device operates within a supply voltage range from 1.8V to a maximum of 5.5V.
The package dimensions are approximately 52.57 mm in length, 13.97 mm in width, and 4.44 mm in height.
It can operate in ambient temperatures ranging from -40°C to 85°C, making it suitable for harsh environments.
This model includes 4kB of RAM, which supports its processing capabilities.
The ATMEGA644PA-PU comes in a 40-pin PDIP package, suitable for through-hole mounting.
Yes, it is equipped with 8 channels of 10-bit ADC, a watchdog timer, and a precision oscillator.
It utilizes an 8-bit AVR RISC architecture for efficient performance.
It is suitable for applications in industrial automation, instrumentation, consumer electronics, and educational development boards.
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