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ATMEGA128L-8AI

Name: ATMEGA128L-8AI
Rating: 4.7 (12 reviews)

IC MCU 8BIT 128KB FLASH 64TQFP

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データシート ATMEGA128L-8AI DataSheet
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仕様

Series	AVR® ATmega
Part Status	Obsolete
Base Product Number	ATMEGA128
DigiKey Programmable	Not Verified
Core Processor	AVR
Core Size	8-Bit
Speed	8MHz
Connectivity	EBI/EMI, I2C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O	53
Program Memory Size	128KB (64K x 16)
Program Memory Type	FLASH
EEPROM Size	4K x 8
RAM Size	4K x 8
Voltage - Supply (Vcc/Vdd)	2.7V ~ 5.5V
Data Converters	A/D 8x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Supplier Device Package	64-TQFP (14x14)
Package	64-TQFP
Packaging	Tray

概要

Description

The ATmega128L-8AI is an 8-bit microcontroller from the AVR family developed by Microchip Technology. It features a 16 MHz clock speed and is built on a low-power architecture, making it suitable for battery-operated devices. With 128 KB of flash memory, 4 KB of SRAM, and 4 KB of EEPROM, it offers ample memory for complex applications.
Key features include 32 general-purpose I/O pins, six 10-bit ADC channels, and three timer/counter modules. The ATmega128L supports various communication protocols such as USART, SPI, and I2C, allowing integration with other devices and sensors. Its rich set of peripherals makes it ideal for applications in automation, robotics, and embedded systems.
The microcontroller is programmable in C or Assembly language, and various development tools, including the Arduino platform, facilitate easy programming and prototyping. The ATmega128L-8AI is often chosen for its versatility, low power consumption, and robust performance in both hobbyist and industrial applications.

Features

The ATmega128L-8AI is an 8-bit microcontroller from Atmel (now part of Microchip Technology) with the following key features:
1. Memory:
- 128 KB Flash memory for program storage.
- 4 KB SRAM for data storage.
- 1 KB EEPROM for non-volatile data.
2. Performance:
- Operates at up to 16 MHz.
- 32 general-purpose registers.
3. I/O Ports:
- 32 I/O pins, configurable for various tasks.
4. Timers/Counters:
- 6 Timer/Counter modules (3 x 16-bit and 3 x 8-bit).
5. ADC:
- 8-channel, 10-bit Analog-to-Digital Converter.
6. Communication Interfaces:
- SPI, I2C (TWI), and USART for serial communication.
7. Power:
- Low power consumption with various sleep modes.
8. Operating Voltage:
- 1.8V to 5.5V for wide operational flexibility.
The ATmega128L-8AI is suitable for various applications, including automation, robotics, and embedded systems, offering a balance of performance, memory, and peripheral features.

Package

The ATMEGA128L-8AI is packaged in a 64-pin TQFP (Thin Quad Flat Package) format. This type of package offers a compact design with a low profile, suitable for space-constrained applications.

Pinout

The ATmega128L-8AI is a microcontroller from Atmel's AVR family, featuring 128 KB of Flash memory, 4 KB of SRAM, and a 4 KB EEPROM. It has a total of 64 pins in a 64-lead TQFP (Thin Quad Flat Package) or a 64-lead MLF (Micro Lead Frame) package.
The pin functions include:
- Digital I/O: 32 general-purpose I/O pins (PORTA, PORTB, PORTC, PORTD).
- Analog Inputs: 8 channels for the 10-bit ADC (Analog-to-Digital Converter).
- Communication Interfaces:
- 1 USART (Universal Synchronous/Asynchronous Receiver/Transmitter).
- 1 SPI (Serial Peripheral Interface).
- 1 I2C (Inter-Integrated Circuit).
- Timers: 3 Timer/Counters (2 with PWM capability).
- External Interrupts: 6 external interrupt sources.
- Reset and Power: Reset pin, VCC, and GND pins.
This versatile microcontroller is widely used in embedded systems due to its rich feature set and extensive peripheral support.

Manufacturer

The ATmega128L-8AI is manufactured by Microchip Technology Inc., a leading semiconductor company. Microchip specializes in designing and manufacturing microcontrollers, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, Microchip serves a broad range of industries, including automotive, consumer, industrial, and telecommunications. The company is well-known for its extensive portfolio of microcontroller products, particularly in the AVR and PIC families, making it a prominent player in the embedded systems market.

Application

The ATMEGA128L-8AI microcontroller is commonly used in embedded systems for applications such as automation, consumer electronics, robotics, medical devices, and data acquisition systems. Its features make it suitable for controlling motors, sensors, and displays, as well as for communication protocols in IoT devices. Additionally, it is utilized in educational projects and prototyping due to its versatility and ease of use.

Equivalent

Equivalent products to the ATmega128L-8AI include the ATmega128-16AI, ATmega2560, and the ATmega640, which are also from Microchip Technology. Additionally, the ATmega128A and ATmega128PB can be considered as alternatives depending on specific application requirements, such as power consumption and operating frequency. Always verify pin compatibility and performance specs before substitution.