ATMEGA8A-MU

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ATMEGA8A-MU

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IC MCU 8BIT 8KB FLASH 32VQFN

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Spezifikationen

Attribut Wert
Package / Case Bulk
Series AVR® ATmega
Part Status Active
Core Processor AVR
Core Size 8-Bit
Speed 16MHz
Connectivity I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 23
Program Memory Size 8KB (4K x 16)
Program Memory Type FLASH
EEPROM Size 512 x 8
RAM Size 1K 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

Übersicht

Description

The ATMEGA8A-MU is an 8-bit microcontroller from Microchip Technology, based on the AVR enhanced RISC architecture. It features 8KB of in-system programmable Flash memory, 1KB of SRAM, and 512 bytes of EEPROM. The device operates at a frequency of up to 16MHz, providing a balanced combination of performance and power efficiency.
Key peripherals include 23 general-purpose I/O lines, a 6-channel 10-bit ADC, a programmable watchdog timer with an internal oscillator, and three timer/counters (two 8-bit and one 16-bit). It also supports serial communication interfaces such as USART, SPI, and I2C (TWI).
The ATMEGA8A-MU is designed for compact applications, housed in a 32-lead Quad Flat No-leads (QFN) package, making it suitable for space-constrained designs. Its low-power consumption and wide operating voltage range (2.7V to 5.5V) make it ideal for battery-powered devices. The microcontroller is commonly used in consumer electronics, automotive systems, and industrial applications due to its reliability and versatility.

Equivalent

Equivalent products to the ATMEGA8A-MU chip include:
1. ATMEGA8A-AU: Offers similar features in a different package.
2. ATMEGA328P Offers more memory and additional features, often used in Arduino boards.
3. PIC16F877A: A Microchip alternative with similar capabilities.
4. STM8S103F3: A STMicroelectronics option with comparable functionality.
5. NXP LPC800 series: ARM-based alternatives with similar performance.
These alternatives may differ in pin configuration, memory size, or additional peripherals, so review specifications carefully for compatibility with specific applications.

Features

The ATMEGA8A-MU is an 8-bit microcontroller from Microchip Technology, based on the AVR RISC architecture. Key features include:
1. Core: 8-bit AVR with 130 powerful instructions.
2. Operating Voltage: 2.7V to 5.5V.
3. Flash Memory: 8KB of in-system programmable flash.
4. EEPROM: 512 bytes.
5. SRAM: 1KB.
6. Clock Speed: Up to 16 MHz.
7. I/O Pins: 23 general-purpose I/O lines.
8. Timers/Counters: Two 8-bit and one 16-bit timer/counters.
9. ADC: 6-channel, 10-bit ADC.
10. PWM: PWM support for signal modulation.
11. Interfaces: Supports USART, SPI, and TWI (I2C).
12. Watchdog Timer: Programmable with a separate on-chip oscillator.
13. Power-Saving Modes: Multiple modes for power efficiency.
14. Package: Available in QFN (32-lead) package.
15. Temperature Range: -40°C to 85°C.
The ATMEGA8A-MU is ideal for applications requiring efficiency, reliability, and low power consumption, including embedded systems, consumer electronics, and industrial automation.

Pinout

The ATmega8A-MU is a microcontroller from Microchip Technology, part of the AVR family. It is housed in a 32-pin QFN (Quad Flat No-leads) package. The ATmega8A features a range of functions including:
- CPU: 8-bit AVR RISC architecture with 130 instructions.
- Memory: 8KB Flash, 1KB SRAM, and 512Bytes EEPROM.
- Clock: Up to 16 MHz.
- I/O Ports: 23 programmable I/O lines.
- Timers: Two 8-bit and one 16-bit timer/counter.
- ADC: 6-channel 10-bit ADC.
- Communication: Supports USART, SPI, and I2C (TWI).
- Other: Watchdog timer, programmable serial USART, internal/external interrupts, power-on reset, programmable brown-out detection, and an internal calibrated oscillator.
These features offer versatile applications in embedded systems, home automation, and consumer electronics.

Manufacturer

The ATMEGA8A-MU is manufactured by Microchip Technology Inc. Microchip is an American semiconductor company that specializes in the production of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. The company provides a wide range of embedded control solutions and is known for its extensive portfolio of microcontrollers and development tools, catering to various industries such as automotive, consumer electronics, industrial, and telecommunications. Microchip Technology is recognized for its focus on innovation and providing comprehensive support to engineers and developers through its extensive documentation, software libraries, and technical support services.

Application

The ATMEGA8A-MU is a versatile microcontroller used in various applications due to its affordability and efficiency. Its primary areas include:
1. Embedded Systems: Used in consumer electronics, automotive systems, and industrial automation due to its reliable performance.
2. IoT Devices: Acts as a core processor for IoT applications, facilitating communication between devices.
3. Robotics: Controls sensors and actuators in robotic applications.
4. Home Automation: Powers devices like smart thermostats and lighting systems.
5. Educational Projects: Popular in teaching environments for learning microcontroller programming.
6. Prototyping: Used by hobbyists and developers for rapid prototyping of electronic devices.
Its ease of programming and robust feature set make it suitable for a wide range of applications.

Package

The ATMEGA8A-MU is a microcontroller from Microchip Technology, packaged in a VQFN (Very thin Quad Flat No-leads) type, specifically a 32-pin VQFN (QFN32). This small, leadless package is designed for efficient space usage and enhanced thermal performance.

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