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ATMEGA128A-MU

Name: ATMEGA128A-MU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 128KB FLASH 64QFN

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Mfr。パート #ATMEGA128A-MU
パッケージ VQFN-64
データシート ATMEGA128A-MU DataSheet
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仕様

Package	Bulk
Series	AVR® ATmega
ProductStatus	Active
CoreProcessor	AVR
CoreSize	8-Bit
Speed	16MHz
Connectivity	EBI/EMI, I²C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O	53
ProgramMemorySize	128KB (64K x 16)
ProgramMemoryType	FLASH
EEPROMSize	4K x 8
RAMSize	4K x 8
Voltage-Supply(Vcc/Vdd)	2.7V ~ 5.5V
DataConverters	A/D 8x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	64-VFQFN Exposed Pad

概要

Description

The ATmega128A-MU is a microcontroller from Atmel's AVR family, designed for embedded systems. It features a 8-bit AVR RISC architecture, operating at a maximum clock speed of 16 MHz. The chip includes 128 KB of flash memory for program storage, 4 KB of SRAM, and 4 KB of EEPROM for non-volatile data retention.
It offers a variety of peripherals, including 32 general-purpose I/O pins, 6-channel 10-bit ADC, 3 timers, and USART for serial communication. The ATmega128A-MU supports various operating modes and interfaces, making it suitable for applications in automation, robotics, and IoT devices.
Its low power consumption and extensive support from development tools, like AVR Studio and Arduino IDE, facilitate rapid prototyping and development. The device is packaged in a 64-lead TQFP, making it suitable for compact designs. Overall, the ATmega128A-MU is a versatile choice for developers seeking an efficient and cost-effective microcontroller solution.

Features

The ATmega128A-MU is an 8-bit microcontroller from the AVR family, featuring:
- Flash Memory: 128 KB for program storage.
- SRAM: 4 KB for data storage.
- EEPROM: 4 KB for non-volatile data storage.
- Clock Speed: Operates up to 16 MHz.
- I/O Ports: 32 general-purpose I/O pins.
- Timers: Three 16-bit timers/counters for timing operations.
- ADC: 10-bit Analog-to-Digital Converter with up to 8 channels.
- Communication Interfaces: UART, SPI, and I2C (TWI) for serial communication.
- Interrupts: 23 programmable external interrupts.
- Operating Voltage: 1.8V to 5.5V.
- Power Consumption: Low power modes for energy efficiency.
- Package Type: Available in 32-pin TQFP and 32-pin MQFN packages.
This microcontroller is widely used in various applications, including embedded systems, robotics, and automation, due to its versatility and comprehensive features.

Package

The ATMEGA128A-MU is packaged in a 32-pin QFN (Quad Flat No-lead) form factor. This compact package type is suitable for surface-mount applications, providing a balance of size and functionality for various embedded systems.

Pinout

The ATmega128A-MU is a microcontroller from Microchip Technology, part of the AVR family. It features a 64-pin TQFP (Thin Quad Flat Package) configuration.
Key functions of its pins include:
- Digital I/O: 32 general-purpose I/O pins, which can be configured as input or output.
- Analog Inputs: 8 channels of 10-bit ADC (Analog-to-Digital Converter).
- Timers: 3 timers/counters (including PWM outputs).
- Communication: USART, SPI, and I2C interfaces for serial communication.
- External Interrupts: Multiple external interrupt sources.
- Reset and Power Supply: Dedicated pins for reset and power supply management.
The ATmega128A-MU also has dedicated pins for crystal oscillator connections and additional features like JTAG for debugging. Overall, it is suitable for a wide range of applications due to its versatility and rich feature set.

Manufacturer

The ATMEGA128A-MU is manufactured by Microchip Technology Inc., an American semiconductor company. Microchip specializes in embedded control solutions and offers a wide range of microcontrollers, analog devices, memory solutions, and development tools. Founded in 1989, Microchip is known for its commitment to quality, innovation, and customer support in the fields of embedded systems and integrated circuits, serving various industries including automotive, industrial, consumer, and communications. The ATMEGA128A-MU is part of the AVR family of microcontrollers, widely used in both hobbyist and professional applications for its versatility and ease of use.

Application

The ATmega128A-MU is widely used in embedded systems for applications including industrial automation, robotics, consumer electronics, data logging, and home automation. Its features support motor control, sensor interfacing, communication protocols (UART, SPI, I2C), and user interface design. Additionally, it is suitable for educational projects and prototyping due to its versatility and ease of use.

Equivalent

Equivalent products to the ATmega128A-MU include the ATmega1284P, ATmega2560, and ATmega32A. These microcontrollers from the AVR family share similar architecture and functionalities, though they may differ in memory size, pin count, and peripheral options. For specific applications, always verify compatibility with your project's requirements.