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Microchip 8 bit AVR ATmega Microcontroller 20 MHz 64kB FLASH 44-Pin TQFP ATMEGA644P-20AU
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.05mm |
| Length | 10.1mm |
| Model | ATMEGA644P-20AU |
| Width | 10.1mm |
| Mount Type | Surface |
| Series | Atmega |
| Maximum Operating Temperature | 85°C |
| Package Type | TQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 4kB |
| Pin Count | 44 |
| 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
- Equipped with 8-bit AVR architecture suitable for embedded applications.
- Features 64kB of program memory and 4kB of RAM for efficient processing.
- Operates within temperature range of -40°C to 85°C for robust performance.
- Comes in a 44-pin TQFP surface mount package for compact designs.
- Includes multiple peripherals such as ADCs, timers, and USART interfaces.
- Supports low power picoPower technology to enhance energy efficiency.
- Offers 32 programmable I/O pins for versatile connectivity.
- Maximum supply voltage is 5.5 V with a minimum operating voltage of 2.7 V.
Product Description
Microchip ATMEGA644P-20AU is a high-performance 8-bit AVR microcontroller that operates at a maximum clock frequency of 20 MHz. Featuring 64kB of FLASH program memory and 4kB of RAM, it is designed for efficient embedded system applications requiring reliable processing and low power consumption.
This microcontroller belongs to the picoPower megaAVR family, incorporating advanced energy-saving technology ideal for battery-operated and energy-conscious designs. It comes in a compact 44-pin TQFP surface mount package measuring 10.1 mm by 10.1 mm with a height of 1.05 mm, suitable for space-constrained layouts.
The device offers a rich set of integrated peripherals including 8 ADC channels with 10-bit resolution, 2 timers, an analogue comparator, and a full USART interfaces. Operating voltage ranges from 2.7 V to 5.5 V, and the microcontroller performs reliably across a broad temperature spectrum from -40°C to 85°C, making it suitable for industrial and automotive environments where temperature extremes are typical.
Additional features include a watchdog timer, precision oscillator, brown-out detector, built-in temperature sensor, internal voltage reference, and support for SPI, TWI (I²C), USB, CAN, and LIN communication protocols. The 32 programmable I/O pins allow flexible interfacing with external devices and sensors.
This microcontroller is ideal for applications in industrial control, automotive systems, consumer electronics, robotics, and complex embedded systems requiring both processing power and energy efficiency.
Equipped with 8-bit AVR architecture suitable for embedded applications. Features 64kB of program memory and 4kB of RAM for efficient processing. Operates within temperature range of -40°C to 85°C for robust performance.
Comes in a 44-pin TQFP surface mount package for compact designs. Includes multiple peripherals such as ADCs, timers, and USART interfaces. Supports low power picoPower technology to enhance energy efficiency. Offers 32 programmable I/O pins for versatile connectivity.
Maximum supply voltage is 5.5 V with a minimum operating voltage of 2.7 V. Browse the Electronics & Electricals category at EnvMart for more Microcontrollers and semiconductor components from top brands like Microchip.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 20 MHz.
It operates within a temperature range of -40°C to 85°C.
This microcontroller features 64kB of FLASH program memory.
The minimum operating voltage is 2.7 V, while the maximum supply voltage is 5.5 V.
It offers 32 programmable I/O pins for versatile connectivity.
It comes in a 44-pin TQFP surface mount package.
This microcontroller includes 8 ADC channels, 2 timers, an analogue comparator, and a full USART interface.
The RAM size is 4kB.
It supports SPI, TWI (I²C), USB, CAN, and LIN communication protocols.
The height of the package is 1.05 mm.
It belongs to the picoPower megaAVR family.
It utilizes an 8-bit AVR architecture.
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