ATMEGA8A-AUR

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ATMEGA8A-AUR

IC MCU 8BIT 8KB FLASH 32TQFP

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Thông số kỹ thuật

Package Bulk
Series AVR® ATmega
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 16MHz
Connectivity I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 23
ProgramMemorySize 8KB (4K x 16)
ProgramMemoryType FLASH
EEPROMSize 512 x 8
RAMSize 1K 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 32-TQFP

Tổng quan

Description

The ATmega8A-AUR is a microcontroller from the AVR family developed by Microchip Technology. It features an 8-bit AVR RISC architecture that allows for efficient processing and low power consumption. The ATmega8A has 8 KB of flash memory, 1 KB of SRAM, and 512 bytes of EEPROM, making it suitable for various embedded applications.
It operates at a maximum clock speed of 16 MHz and offers a range of peripherals, including 23 general-purpose I/O lines, three 16-bit timers, a 10-bit ADC with up to 8 channels, and several communication interfaces such as USART and SPI. The chip supports various power-saving modes, enhancing battery life in portable applications.
The ATmega8A is commonly used in hobbyist and educational projects due to its ease of use with platforms like Arduino. Its compact size and versatile functionality make it an excellent choice for automation, robotics, and sensor interfacing. Overall, the ATmega8A-AUR is a reliable and cost-effective solution for embedded system development.

Features

The ATmega8A-AUR is an 8-bit microcontroller from Atmel (now part of Microchip Technology) featuring the following key specifications:
1. Architecture: AVR 8-bit RISC architecture.
2. Memory:
- 8 KB of Flash memory for code storage.
- 1 KB SRAM for data storage.
- 512 bytes of EEPROM for non-volatile data.
3. Clock Speed: Operates at a maximum clock speed of 16 MHz.
4. I/O Ports: 23 general-purpose I/O pins.
5. Timers: Two 8-bit timers and one 16-bit timer for timing applications.
6. ADC: 10-bit Analog-to-Digital Converter with 8 channels.
7. Communication Interfaces:
- SPI (Serial Peripheral Interface).
- I2C (TWI - Two Wire Interface).
- UART (Universal Asynchronous Receiver-Transmitter).
8. Operating Voltage: 2.7V to 5.5V.
9. Power Consumption: Low power consumption with various sleep modes.
10. Package Options: Available in 32-pin TQFP, 32-pin MLF, and other packages.
These features make the ATmega8A-AUR suitable for a range of embedded applications.

Package

The ATMEGA8A-AUR is available in a 32-pin QFN (Quad Flat No-lead) package. This surface-mount package type is designed for compact applications, providing a smaller footprint while maintaining functionality.

Pinout

The ATmega8A-AUR is an 8-bit microcontroller from Microchip Technology, part of the AVR family. It has a pin count of 28 pins. The functions of these pins include:
1. Digital I/O: 23 pins can be used as general-purpose input/output (GPIO).
2. Analog Input: 6 pins serve as analog inputs (ADC).
3. Power Supply: Pins for VCC and GND for power.
4. Reset: A pin for external reset functionality.
5. Oscillator: Pins for connecting an external crystal oscillator.
6. Communication: Support for USART (Universal Synchronous and Asynchronous serial Receiver and Transmitter) through designated pins.
7. Timer/Counters: Pins associated with timer functions for PWM and counting.
Overall, the ATmega8A-AUR is versatile, suitable for various applications such as embedded systems, robotics, and educational projects.

Manufacturer

The ATMEGA8A-AUR is manufactured by Microchip Technology Inc., a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, Microchip is known for its extensive range of microcontrollers and development tools, catering to various industries including automotive, consumer electronics, and industrial applications. The company focuses on providing robust and reliable semiconductor products, emphasizing ease of use, low power consumption, and high performance. Microchip is well-regarded for its commitment to innovation and customer support, making it a significant player in the embedded systems market.

Application

The ATmega8A-AUR is commonly used in embedded systems for applications such as home automation, robotics, sensor interfacing, motor control, and industrial automation. Its features, including low power consumption and versatile I/O, make it suitable for consumer electronics, educational projects, and prototype development. Additionally, it is often utilized in communication systems and data acquisition devices.

Equivalent

The ATMEGA8A-AUR is an 8-bit AVR microcontroller. Equivalent products include:
1. ATmega8A - Non-AUR version.
2. ATmega16A - More I/O pins, larger memory.
3. ATmega32A - Even more I/O pins and memory.
4. ATmega48A/88A - Compact versions with less memory.
5. ATtiny series (like ATtiny85) - Smaller, lower pin count options.
These alternatives provide varying memory sizes and pin configurations suited for similar applications.

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