ATMEGA644P-20PQ

Series:	AVR® ATmega
Part Status:	Active
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):	2.7 V ~ 5.5 V
Data Converters:	A/D 8x10b
Oscillator Type:	Internal
Operating Temperature:	-40°C ~ 105°C (TA)

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Introduction

The ATMEGA644P-20PQ is a low-cost high-performance 8-bit microcontroller from Industry leader Atmel. It is a high-quality and cost-effective choice for embedded control applications such as industrial automation and robotics. With its versatile peripheral set and high-performance 8 bit AVR enhanced RISC architecture, the ATMEGA644P-20PQ stands out in the field of embedded microcontrollers.

ATMEGA644P-20PQ Application Field

The Atmel ATMEGA644P-20PQ is a highly versatile microcontroller ideal for embedded control applications. Its low cost and high performance makes it suitable for a wide range of projects, including industrial automation, robotics, automotive, HVAC, consumer electronics and more. Its 8-bit AVR enhanced RISC architecture combined with a powerful peripheral set and RAM make the ATMEGA644P-20PQ the go-to choice for embedded control applications.

Features and Performance

The Atmel ATMEGA644P-20PQ features a low-cost and high performance 8-bit RISC architecture. Its enhanced RISC architecture provides an enhancement over predecessors, allowing for a wide range of instructions to be executed per clock cycle, as well as increased performance for a given instruction set. The ATMEGA644P-20PQ also includes an extensive peripheral set, including an ADC, SPI and TWI interfaces, PWM, and Comparator, as well as USART, providing flexible connectivity options to both external peripherals and internal components.The ATMEGA644P-20PQ also boasts an impressive 2Kx16 SRAM and 256K x 8 Flash memory. This abundant internal memory allows for a wide range of applications, including user-programmable applications, to be stored and executed on the device.In terms of performance, the ATMEGA644P-20PQ can operate at clock speeds up to 20MHz and features power saving sleep modes, making it highly energy efficient. The device also features low pin counts, reducing system costs without sacrificing performance.

Advantages of ATMEGA644P-20PQ

The ATMEGA644P-20PQ offers many advantages for embedded control applications. Its low cost makes it a popular choice for a wide range of projects, and its versatile peripheral set, RISC architecture and abundant memory options make the device ideal for ambitious projects. Its low pin count helps to reduce system costs, while the device’s efficiency helps conserve energy and allows for operation to occur at higher clock speeds with lower power consumption.In addition, the ATMEGA644P-20PQ features extensive in-circuit serial programming, allowing embedded applications to be changed without the need to manually remove and reprogram the chip. The extensive support and documentation available for the device ensures that users can take advantage of its features quickly and easily.

Conclusion

The Atmel ATMEGA644P-20PQ is an ideal choice for embedded control applications. With its low cost, enhanced architecture and versatile peripheral set, the device is suitable for a variety of projects. Its low pin count, energy efficiency, in-circuit programming capabilities, and extensive documentation make the ATMEGA644P-20PQ a great choice for embedded control.

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