ATMEGA649P-MU

Program Memory Type:	FLASH
Base Part Number:	ATMEGA649
Supplier Device Package:	64-QFN (9x9)
Package / Case:	64-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 8x10b
Voltage - Supply (Vcc/Vdd):	1.8 V ~ 5.5 V
RAM Size:	4K x 8
EEPROM Size:	2K x 8
Series:	AVR® ATmega
Program Memory Size:	64KB (32K x 16)
Number of I/O:	54
Peripherals:	Brown-out Detect/Reset, LCD, POR, PWM, WDT
Connectivity:	SPI, UART/USART, USI
Speed:	16MHz
Core Size:	8-Bit
Core Processor:	AVR
Part Status:	Active
Packaging:	Tray

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ATMEGA649P-MU Microcontroller (MCU) is a powerful 8-bit MCU designed and manufactured by Microchip Technology. It is a single-chip solution that combines a microcontroller, memory and peripherals, allowing you to easily develop embedded applications.The ATMEGA649P-MU is suitable for a wide range of applications, including automotive, industrial, medical, consumer, and home automation. With its low current consumption, fast program execution, and flexible interfacing, it can be used in various types of systems, from those that require only basic control to those that require complex operation.For automotive applications, the MCU can be used to control airbags, monitor engine performance, and regulate emissions. Its on-chip peripherals and low-power capabilities also make it ideal for industrial applications, where motion control, temperature and/or voltage measurement are required. It is also used in medical equipment to monitor patients’ vital signs and to control pumps and other devices.For consumer applications, the MCU can be used to control home appliances, such as dishwashers and washing machines. Additionally, its low-power capabilities make it well suited for portable electronics, such as smartphones, tablets, and wearables. Finally, the MCU is also used in home automation systems, to control lighting, audio, and video systems.The ATMEGA649P-MU has three distinct sections: a Central Processing Unit (CPU), a Memory Controller and some specialized hardware. The CPU is responsible for the fetching and decoding of instructions, and the execution of these instructions. The Memory Controller is responsible for the management and access of data stored in the main memory. The specialized hardware consists of Input/Output (I/O) ports, various Timers, and Analog-to-Digital Converters (ADCs).The CPU fetches instructions from the memory and decodes them. If the instruction is a data-manipulation instruction (such as move a byte), the CPU executes the instruction by appropriately instructing the Memory Controller to get or store the data. If the instruction is an I/O instruction, the CPU passes it to the appropriate I/O port or timer. For example, if the instruction is to output a byte to a port, the CPU will pass the byte to the port, which will then output it.The I/O ports, timers and ADCs are used to interface with the external components and environment, such as buttons, switches, analog sensors, motors, and other systems. The I/O ports are used to send and receive digital data, while the timers can be used to measure and produce time intervals. The ADCs can be used to convert analog signals, such as temperature or pressure, into a digital format.Finally, the ATMEGA649P-MU has on-chip Flash memory and EEPROM, which can be used to store the user-programs, as well as the pre-programmed bootloader. The ATMEGA649P-MU also supports In-System Programming (ISP), which allows the user-programs to be updated at any time.The ATMEGA649P-MU is a powerful and versatile 8-bit MCU designed and manufactured by Microchip Technology. It is suitable for a wide range of applications, from automotive to consumer applications. At its core, the MCU consists of a CPU, memory controller, and specialized hardware, all of which can be used to interface with the external environment and components. Finally, the MCU also has on-chip Flash and EEPROM memory and supports In-System Programming, allowing user-programs to be easily updated.

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