ATMEGA128L-8AU

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ATMEGA128L-8AU

IC MCU 8BIT 128KB FLASH 64TQFP

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Thông số kỹ thuật

Package Bulk
Series AVR® ATmega
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 8MHz
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-TQFP

Tổng quan

Description

The ATmega128L-8AU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) that belongs to the AVR family. It features 128 KB of flash memory, 4 KB of SRAM, and 4 KB of EEPROM, making it suitable for various embedded applications. With a maximum clock speed of 8 MHz, it supports multiple communication interfaces, including USART, SPI, and I2C.
The microcontroller offers numerous I/O pins (32) and features several built-in peripherals such as timers, PWM channels, and analog-to-digital converters (ADC), enhancing its versatility in tasks like motor control, sensor interfacing, and data logging. The low power consumption and the ability to operate in various modes make it an ideal choice for battery-powered devices.
The ATmega128L-8AU is commonly programmed using the Arduino platform or via AVR programming environments, allowing developers to leverage a wide range of libraries and community support. Its robust performance and flexibility make it popular in both hobbyist and professional projects.

Features

The ATmega128L-8AU is an 8-bit microcontroller from Microchip Technology, based on the AVR architecture. Key features include:
- Memory: 128 KB of Flash memory, 4 KB of SRAM, and 4 KB of EEPROM.
- Data Bus: 8-bit data bus, allowing efficient data processing.
- Clock Speed: Operates at a maximum frequency of 8 MHz.
- I/O Ports: 32 programmable I/O lines with multiple functions.
- ADC: 10-bit Analog-to-Digital Converter with 8 channels.
- Timers: Three timers/counters with various modes for timing applications.
- UART: Universal Asynchronous Receiver-Transmitter (UART) for serial communication.
- SPI/I2C: Supports Serial Peripheral Interface (SPI) and Inter-Integrated Circuit (I2C) protocols for communication with peripherals.
- Power Consumption: Low power consumption modes for battery-operated applications.
- Operating Voltage: 2.7V to 5.5V.
The ATmega128L-8AU is widely used in embedded systems due to its versatility and rich feature set, suitable for various applications in automation, control, and sensor interfacing.

Package

The ATmega128L-8AU is available in a TQFP (Thin Quad Flat Package) format, specifically a 64-pin TQFP. This package type provides a compact design suitable for various applications while allowing easy soldering and integration onto PCBs.

Pinout

The ATmega128L-8AU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) with a total of 40 pins. Here’s a brief overview of its pin functions:
1. Digital I/O: It features 32 general-purpose I/O pins that can be configured as input or output.
2. Analog Inputs: It includes 8 channels of 10-bit ADC (Analog-to-Digital Converter).
3. Timers/Counters: The microcontroller has three timers/counters for generating PWM signals and managing time-based tasks.
4. UART: It supports Serial Communication via USART, allowing for communication with other devices.
5. SPI/I2C: It provides interfaces for SPI and I2C for connecting to external peripherals.
6. Reset and Power: Includes a reset pin and power supply pins (Vcc, GND).
7. Crystal Oscillator: Pins for connecting an external crystal oscillator for clock generation.
The ATmega128L-8AU is commonly used in embedded systems for its versatility and robust feature set.

Manufacturer

The ATMEGA128L-8AU is manufactured by Microchip Technology Inc., a leading American semiconductor company. Microchip specializes in microcontroller, memory, and analog and interface products. Founded in 1989, the company primarily focuses on developing microcontrollers and digital signal controllers, supporting embedded system applications across various industries, including automotive, industrial, consumer, and communications. Microchip is known for its extensive range of products and robust development tools, enabling designers to create efficient and reliable electronic systems. The ATMEGA128L-8AU is part of the AVR microcontroller family, which is popular among hobbyists and professionals for its ease of use and efficiency in various applications.

Application

The ATmega128L-8AU is commonly used in embedded systems for applications such as robotics, automation, medical devices, data logging, and consumer electronics. Its features, including low power consumption, a versatile I/O interface, and integrated peripherals, make it suitable for remote monitoring, control systems, sensor interfacing, and educational projects. Additionally, it is often utilized in DIY electronics and prototyping due to its ease of use and availability.

Equivalent

Equivalent products to the ATmega128L-8AU include the ATmega128A, ATmega2560, and ATmega640. These microcontrollers share similar architectures and features, but differ in memory size, pin configuration, and performance specifications. The ATmega128A is the most direct replacement with slight variations in functionality and compatibility. Always check specific datasheets for detailed comparisons and compatibility requirements.

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