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ATMEGA48A-PU

Name: ATMEGA48A-PU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 4KB FLASH 28DIP

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包 SPDIP-28
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規格

Package	Tube
Series	AVR® ATmega
ProductStatus	Active
CoreProcessor	AVR
CoreSize	8-Bit
Speed	20MHz
Connectivity	I²C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O	23
ProgramMemorySize	4KB (2K x 16)
ProgramMemoryType	FLASH
EEPROMSize	256 x 8
RAMSize	512 x 8
Voltage-Supply(Vcc/Vdd)	1.8V ~ 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 ATmega48A-PU is an 8-bit microcontroller from the AVR family produced by Microchip Technology (formerly Atmel). It features a 32KB Flash memory, 2KB SRAM, and 256 bytes of EEPROM, making it suitable for a variety of embedded applications. It operates at a maximum clock speed of 20 MHz and is designed for low power consumption, which is ideal for battery-operated devices.
The microcontroller includes 23 general-purpose I/O pins, 6-channel 10-bit ADC, and several communication interfaces, such as SPI, I2C, and USART. Its integrated timers and PWM capabilities allow for precise control in robotics and automation projects.
Programming is typically done in C or assembly language, and the device supports the Arduino platform, enhancing accessibility for hobbyists and developers. The ATmega48A-PU is available in a 28-pin DIP package, making it easy to integrate into prototypes and custom circuits. Overall, it's a versatile component for both educational and professional applications in electronics.

Features

The ATmega48A-PU is an 8-bit AVR microcontroller from Microchip Technology, featuring:
1. Memory: 4 KB of Flash memory, 512 bytes of SRAM, and 128 bytes of EEPROM.
2. Speed: Operates at up to 20 MHz with a 1.8V to 5.5V operating voltage range.
3. I/O Ports: 23 programmable I/O pins.
4. Timers/Counters: Includes two 8-bit and one 16-bit timer/counter with PWM support.
5. ADC: 10-bit, 6-channel Analog-to-Digital Converter (ADC).
6. Communication: Supports SPI, USART, and I²C interfaces for serial communication.
7. Interrupts: 24 external interrupts allow for efficient event-driven programming.
8. Power Saving: Various sleep modes for low power consumption, enhancing battery life in portable applications.
This microcontroller is well-suited for small-scale embedded systems, sensor applications, and tasks requiring moderate processing capabilities.

Package

The ATmega48A-PU is packaged in a DIP (Dual In-line Package) format, specifically a 28-pin configuration. This type of package is suitable for through-hole mounting on PCBs, making it easy to handle and solder.

Pinout

The ATmega48A-PU is an 8-bit microcontroller from the AVR family, featuring a total of 28 pins. Its primary functions include:
1. Digital I/O: 23 pins can be configured as general-purpose input/output (GPIO).
2. Analog Input: 6 of these pins function as 10-bit ADC (Analog to Digital Converter) inputs.
3. Timers: It includes two 8-bit and one 16-bit timer/counter, which can be used for timing operations and PWM generation.
4. USART: The microcontroller has a USART (Universal Synchronous and Asynchronous serial Receiver and Transmitter) for serial communication.
5. SPI: It supports SPI (Serial Peripheral Interface) for high-speed communication with other devices.
6. I2C: It also has an I2C interface for communication with peripheral devices.
The device operates at a voltage range of 1.8V to 5.5V and has a maximum clock speed of 20 MHz, making it suitable for a variety of embedded applications.

Manufacturer

The ATmega48A-PU is manufactured by Microchip Technology Inc., a leading American semiconductor company. Established in 1989, Microchip specializes in microcontroller, mixed-signal, analog, and Flash-IP solutions. The company is known for its extensive range of microcontrollers, including the AVR series to which the ATmega48A-PU belongs. These microcontrollers are widely used in various applications, such as embedded systems, automotive, industrial automation, and consumer electronics. Microchip focuses on providing high-quality products and comprehensive development tools, supporting engineers and designers in their projects.

Application

The ATmega48A-PU microcontroller is commonly used in various applications, including:
1. Embedded Systems: For basic control and automation tasks.
2. Consumer Electronics: In devices like remote controls and home appliances.
3. Sensor Interfacing: To read and process data from sensors.
4. Robotics: For controlling motors and servos.
5. Data Acquisition: In measurement systems for data logging.
6. Educational Projects: In learning environments for microcontroller programming.
Its low power consumption and versatility make it suitable for numerous applications.

Equivalent

Equivalent products to the ATmega48A-PU include the ATmega48PA-PU, ATmega88A-PU, and ATmega88PA-PU. These chips share similar architectures and features, with slight variations in memory size and performance. Additionally, the ATtiny series, like the ATtiny84, may serve as alternatives for specific applications requiring fewer I/O pins or lower power consumption. Always verify pin compatibility and feature requirements before substitution.