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Microchip 8-bit AVR ATmega Microcontroller 20 MHz 64kB FLASH 40-Pin PDIP ATMEGA644P-20PU
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 4.44mm |
| Length | 52.57mm |
| Model | ATMEGA644P-20PU |
| 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 |
| Pin Count | 40 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 2.7V |
| 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
- Integrates 8-bit AVR processor core enabling efficient program execution.
- Features 64kB on-chip Flash program memory for extensive code storage.
- Operates at a maximum clock frequency of 20 MHz for enhanced performance.
- Equipped with 4kB SRAM and 32 programmable I/O pins for flexible interfacing.
- Supports through-hole mounting with 40-pin PDIP package size.
- Includes 8 analog to digital converters (ADCs) of 10-bit resolution.
- Wide operating voltage range from 2.7V to 5.5V ensures diverse power supply compatibility.
- Operational temperature range from -40°C to 85°C fits industrial environments.
Product Description
Microchip ATMEGA644P-20PU is a high-performance 8-bit AVR microcontroller designed for embedded applications requiring up to 20 MHz clock speed. It offers a substantial 64kB FLASH program memory along with 4kB of SRAM, combined with advanced peripheral features and a 40-pin PDIP packaging for robust through-hole mounting.
Operating between 2.7V and 5.5V with an extended temperature range of -40°C to 85°C, this microcontroller is well-suited for industrial, laboratory, automotive, and commercial electronic designs requiring flexible and reliable control units.
The device supports multiple communication protocols including SPI, TWI (I2C), USART, USB, CAN, and LIN interfaces, facilitating integration with varied modules and sensors. Enhanced embedded features such as watchdog timer, internal voltage reference, brown-out detector, and built-in temperature sensor provide stable operation under fluctuating environmental conditions.
Integrates an 8-bit AVR RISC architecture for efficient instruction throughput. 64kB Flash memory allows for extensive application programming. 40-pin PDIP package facilitates easy prototyping and breadboarding. 32 programmable I/O pins provide ample interfacing capabilities.
8-channel 10-bit ADC enables precise analog signal processing. Includes 2 timers, 1 analog comparator, and DAC support. Operates reliably from -40°C up to +85°C for harsh industrial use. Suitable for use in embedded designs, industrial automation, instrumentation, and control systems.
On-chip EEPROM and picoPower technology reduce power consumption in battery-operated applications. Package contents: 1 Pc Microchip ATMEGA644P-20PU Microcontroller (40-Pin PDIP). Explore the full range of Microchip microcontrollers in EnvMart’s Electronics & Electricals > Semiconductor > Microcontroller category for advanced embedded system solutions.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 20 MHz, enabling enhanced performance for various applications.
It features a substantial program memory size of 64kB FLASH, allowing for extensive code storage.
This microcontroller operates within a voltage range of 2.7V to 5.5V, ensuring compatibility with diverse power supplies.
The ATMEGA644P-20PU is equipped with 32 programmable I/O pins for flexible interfacing with other components.
It has an operational temperature range from -40°C to 85°C, making it suitable for industrial environments.
This model supports multiple communication protocols including SPI, TWI (I2C), USART, USB, CAN, and LIN interfaces.
The ATMEGA644P-20PU comes in a 40-pin PDIP package, designed for through-hole mounting.
This microcontroller includes 4kB of SRAM for data storage and processing needs.
It features 8 analog to digital converters (ADCs) with a resolution of 10 bits for precise analog signal processing.
This microcontroller includes 2 timers for various timing and control applications.
The height of this microcontroller is 4.44mm, which is part of its physical specifications.
The country of origin for this microcontroller is India.
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