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ATMEGA8A-PU

Name: ATMEGA8A-PU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 8KB FLASH 28DIP

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包 DIP28
資料表 ATMEGA8A-PU DataSheet
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規格

Package	Tube
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 6x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Through Hole
Package/Case	28-DIP (0.300, 7.62mm)

概述

Description

The ATmega8A-PU is an 8-bit microcontroller from Microchip Technology, part of the AVR family. It features 8 KB of Flash memory, 1 KB of SRAM, and 512 bytes of EEPROM, making it suitable for a range of applications including embedded systems, robotics, and consumer electronics.
Operating at a maximum clock speed of 16 MHz, the ATmega8A-PU supports various interfaces such as UART, SPI, and I2C for communication with external devices. It has 23 programmable I/O pins and includes 6 analog-to-digital converter (ADC) channels, allowing for versatile interaction with sensors and actuators.
The microcontroller is designed for low power consumption, with several sleep modes to extend battery life. The ATmega8A-PU is programmed using the AVR Studio or Arduino IDE, enabling easy development for hobbyists and professionals alike. Its combination of features and affordability makes it a popular choice for both educational purposes and practical applications in electronics.

Features

The ATmega8A-PU is an 8-bit microcontroller from the Atmel AVR family. Key features include:
1. Memory: 1 KB of SRAM, 8 KB of Flash memory, and 512 bytes of EEPROM.
2. I/O Ports: 23 programmable I/O lines.
3. Clock Speed: Operates at a maximum of 16 MHz.
4. ADC: 10-bit Analog-to-Digital Converter with 8 channels.
5. Timers: Three timers/counters (two 8-bit and one 16-bit) for timing operations.
6. Communication: Supports USART, SPI, and I2C protocols.
7. Power Consumption: Low power consumption with various sleep modes.
8. Operating Voltage: 2.7V to 5.5V.
9. Package: Available in a DIP (Dual In-line Package) form factor.
The ATmega8A-PU is widely used in embedded systems for its versatility, ease of programming, and robust performance in various applications.

Package

The ATMEGA8A-PU is packaged in a 28-pin Dual In-line Package (DIP). This type of package is widely used for easy insertion into breadboards and sockets, making it suitable for prototyping and educational purposes.

Pinout

The ATmega8A-PU is an 8-bit microcontroller from the AVR family, featuring a total of 28 pins. The pin configuration includes:
- Power Supply Pins: VCC (Power), GND (Ground)
- I/O Pins: 23 general-purpose I/O pins (PORTA, PORTB, PORTC, and PORTD)
- Analog Inputs: 6 of the I/O pins can serve as analog inputs (ADC channels)
- Communication Interfaces:
- 1 USART for serial communication
- 1 SPI interface
- 1 I2C (TWI) interface
- Timers: 3 timer/counters (with PWM capability)
- Reset Pin: RESET (for resetting the microcontroller)
The ATmega8A-PU operates at a voltage range of 2.7V to 5.5V and has a maximum clock frequency of 16 MHz. It is commonly used in embedded systems for various applications due to its versatility and ease of use.

Manufacturer

The ATmega8A-PU is manufactured by Microchip Technology Inc., an American company that specializes in designing and producing microcontroller and microprocessor chips. Microchip Technology is known for its extensive portfolio of embedded control solutions and is a prominent player in the semiconductor industry. The company primarily serves a wide range of applications, including automotive, industrial, consumer electronics, and IoT (Internet of Things) devices. Founded in 1989, Microchip has grown through both organic development and strategic acquisitions, positioning itself as a leader in the embedded systems market.

Application

The ATmega8A-PU is widely used in embedded systems for applications such as home automation, robotics, sensor interfacing, and motor control. It is suitable for low-power applications, DIY electronics projects, and educational purposes. Its versatility allows for use in data acquisition systems, LED displays, and communication devices, making it popular in prototyping and small-scale production.

Equivalent

Equivalent products to the ATmega8A-PU include the ATmega88A, ATmega48A, and ATmega168A. These microcontrollers share similar architecture and features, with variations in memory size and peripheral options. Additionally, the ATmega8A is compatible with other AVR microcontrollers in the same family, allowing for straightforward replacements depending on specific application requirements.