ATMEGA8A-PU 8-bit AVR Microcontroller DIP-28 (Original)

Description

ATMEGA8A-PU 8-bit AVR Microcontroller DIP-28 (Original) The ATMEGA8A-PU is a high-performance, low-power 8-bit AVR microcontroller from Microchip, designed for a wide range of embedded applications. Built on the AVR RISC architecture, it executes most instructions in a single clock cycle, achieving throughputs of up to 1 MIPS per MHz. This allows for optimized power consumption and processing speed. Housed in a 28-pin DIP package, it is easy to integrate into both prototyping and production environments. With a robust set of peripherals, including timers, communication interfaces, and analog capabilities, the ATMEGA8A-PU is ideal for hobbyists, educators, and professionals seeking a versatile and cost-effective microcontroller solution. Features Memory: 8KBytes of In-System Programmable Flash memory 512Bytes of EEPROM 1KByte of SRAM I/O and Peripherals: 23 programmable I/O lines Three timer/counters with compare modes (two 8-bit, one 16-bit) 6-channel 10-bit ADC Serial programmable USART Byte-oriented Two-wire Serial Interface (I2C) SPI serial port On-chip analog comparator System Features: Internal and external interrupt sources Programmable Watchdog Timer with internal oscillator Power-on Reset and programmable Brown-out Detection Internal calibrated RC oscillator Five sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby Special Features: In-System Programming (ISP) capability Optional Boot Code Section with independent lock bits for secure programming Capacitive touch sensing support via Microchip QTouch® library Specifications Parameter Value CPU 8-bit AVR Clock Speed Up to 16MHz Flash Memory 8KB EEPROM 512B SRAM 1KB I/O Pins 23 Timers Two 8-bit, One 16-bit ADC Channels 6 ADC Resolution 10-bit Communication Interfaces USART, SPI, I2C Operating Voltage 2.7V to 5.5V Package 28-pin DIP Power Consumption (at 4MHz, 3V, 25°C) Active: 3.6mA Idle: 1.0mA Power-down: 0.5μA Temperature Range -40°C to 85°C Data Retention 20 years at 85°C / 100 years at 25°C Pin Configurations Applications Industrial automation and control systems Consumer electronics (e.g., smart home devices, appliances) Home automation (e.g., lighting, security systems) Robotics (e.g., motor control, sensor integration) Educational projects and prototyping Sensor interfacing and data acquisition Battery-powered devices due to low power consumption Embedded systems requiring communication via USART, SPI, or I2C Capacitive touch interfaces using Microchip QTouch® library Hobbyist and DIY electronics projects Documents ATmega8A-DataSheet ATmega8A DataSheet

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