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ATMEGA8A-MU

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

IC MCU 8BIT 8KB FLASH 32VQFN

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製造商。部分 #ATMEGA8A-MU
包 VQFN-32
資料表 ATMEGA8A-MU DataSheet
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規格

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-VFQFN Exposed Pad

概述

Description

The ATmega8A-MU is an 8-bit microcontroller from the AVR family developed by Microchip Technology. It features a high-performance, low-power CMOS technology and is widely used in embedded systems. The ATmega8A operates at a maximum clock speed of 16 MHz and offers 8 KB of flash memory, 1 KB of SRAM, and 512 bytes of EEPROM.
Key features include 23 programmable I/O lines, 32 general-purpose registers, and various peripheral interfaces such as SPI, I2C, and USART. It integrates a 10-bit ADC with up to 8 channels, timers, and PWM support, making it versatile for a range of applications, including robotics, automation, and sensor interfacing.
The microcontroller is available in different packages, including DIP and TQFP, facilitating ease of integration into projects. With its rich set of features and robust performance, the ATmega8A-MU is a popular choice for hobbyists and professionals alike in developing microcontroller-based applications.

Features

The ATmega8A-MU is an 8-bit microcontroller from the AVR family, featuring:
1. Memory: 8 KB of Flash memory, 1 KB of SRAM, and 512 bytes of EEPROM.
2. Operating Speed: Up to 16 MHz clock frequency.
3. I/O Ports: 23 general-purpose I/O lines.
4. ADC: 10-bit Analog-to-Digital Converter with 8 channels.
5. Timers: Three timers; two 8-bit and one 16-bit, for various timing operations.
6. Communication Interfaces: Serial USART, SPI, and I2C (TWI).
7. Power: Low power consumption modes and operates at 2.7V to 5.5V.
8. Interrupts: 20 interrupt vectors for handling various events.
9. Packaging: Available in 32-pin QFN and DIP packages, facilitating easy integration.
10. Development: Compatible with the AVR Studio and various IDEs for programming and debugging.
The ATmega8A-MU is suited for embedded applications due to its versatility, low cost, and extensive community support.

Package

The ATMEGA8A-MU is available in a 32-pin QFN (Quad Flat No-lead) package. This compact surface-mount package is designed for applications requiring a small footprint while providing excellent electrical performance.

Pinout

The ATmega8A-MU is a microcontroller from Atmel (now part of Microchip Technology) that features a 28-pin Dual In-Line Package (DIP) or a 32-pin QFN (Quad Flat No-leads) package. Here’s a concise breakdown of its pin count and functions:
- Pins: 28 (DIP) or 32 (QFN)
- Functionality:
- Input/Output Pins: 23 general I/O pins (can be configured as input or output).
- Analog Inputs: 6 channels of 10-bit ADC (Analog to Digital Converter).
- Timer/Counters: 3 timers (2 with PWM capability).
- USART: Universal Synchronous and Asynchronous serial receiver and transmitter.
- SPI: Serial Peripheral Interface for communication with other devices.
- I2C: Two-wire interface for communication with peripherals.
- Reset Pin: External reset for microcontroller reset.
The ATmega8A-MU is suitable for various applications, including embedded systems and consumer electronics.

Manufacturer

The ATMEGA8A-MU is manufactured by Microchip Technology Inc., an American company specializing in microcontroller and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip is known for its range of microcontrollers, digital signal controllers, and various peripheral devices. The company serves a wide array of industries, including automotive, industrial, consumer, and communications, providing solutions for embedded control applications. Microchip’s products are widely adopted for their reliability and ease of use, catering to both hobbyists and professional engineers.

Application

The ATmega8A-MU is commonly used in embedded systems for applications such as home automation, robotics, sensor interfacing, and motor control. It is also suitable for consumer electronics, data acquisition systems, and educational projects. Its versatility makes it ideal for prototyping and low-power devices in various industrial and hobbyist projects.

Equivalent

Equivalent products to the ATmega8A-MU include the ATmega8A, ATmega8, and ATmega16. Other similar microcontrollers in the AVR family are the ATmega32 and ATmega168, which offer different memory sizes and features but share the same architecture. Ensure compatibility with your specific application requirements before selection.