ATMEGA8A-PU 8-bit AVR Microcontroller DIP-28 (Original)
ATMEGA8A-PU: 8-bit AVR microcontroller with 8KB Flash, 23 I/O pins, 16MHz clock. Supports USART, SPI, I2C. Ideal for embedded systems, prototyping, and education.
195.00 EGP
In stockSKU 3496300061976
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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
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