ATMEGA48A-AU

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ATMEGA48A-AU

IC MCU 8BIT 4KB FLASH 32TQFP

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Thông số kỹ thuật

Series AVR® ATmega
Part Status Active
Base Product Number ATMEGA48
DigiKey Programmable Not Verified
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 23
Program Memory Size 4KB (2K x 16)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package 32-TQFP (7x7)
Package 32-TQFP
Packaging Bulk

Tổng quan

Description

The ATmega48A-AU is a microcontroller from the Atmel (now part of Microchip Technology) AVR family. It features an 8-bit AVR RISC architecture, providing high performance and efficiency. The device operates at a maximum clock speed of 20 MHz and comes with 4 KB of Flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM.
Key features include:
- I/O Ports: 23 programmable I/O lines.
- Timers: Two 8-bit and one 16-bit timer/counter for various timing applications.
- ADC: 10-bit Analog-to-Digital Converter with up to 8 channels.
- Communication Interfaces: Supports USART, SPI, and I2C for serial communication.
- Low Power Consumption: Multiple sleep modes for energy efficiency.
The ATmega48A-AU is commonly used in embedded systems, robotics, and DIY electronics projects due to its versatility and ease of use in programming with platforms like Arduino.

Features

The ATmega48A-AU is a low-power, 8-bit microcontroller from the AVR family, featuring:
1. Memory: 4 KB of Flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM.
2. CPU: 8-bit AVR RISC architecture with a maximum clock speed of 20 MHz.
3. I/O Ports: 23 general-purpose I/O pins.
4. Analog Features: 10-bit ADC with 6 channels, and an internal voltage reference.
5. Timers: Three timers/counters (1x 16-bit and 2x 8-bit) for various timing applications.
6. Communication: SPI, I2C (TWI), and USART for serial communication.
7. Power Consumption: Low power consumption in sleep modes, making it suitable for battery-operated devices.
8. Operating Voltage: 1.8V to 5.5V.
9. Package: Available in a 32-lead QFN and 28-lead SOIC packages.
The ATmega48A-AU is ideal for a wide range of applications including embedded systems, consumer electronics, and automotive projects.

Package

The ATMEGA48A-AU is packaged in a 32-pin TQFP (Thin Quad Flat Package) format. This package type features a flat, square design with pins extending from all four sides, allowing for surface mounting on printed circuit boards.

Pinout

The ATmega48A-AU is an 8-bit AVR microcontroller from Microchip Technology with a total of 32 pins. It features:
- Power Supply: VCC and GND pins for power.
- I/O Ports: 23 general-purpose I/O pins categorized into three ports (Port B, Port C, and Port D).
- Analog Inputs: 6 channels of 10-bit ADC available on Port C.
- Communication Interfaces:
- USART for serial communication.
- SPI for synchronous serial communication.
- I2C (TWI) for inter-device communication.
- Timer/Counters: Two 8-bit and one 16-bit timers for timing operations and PWM generation.
- Reset: A reset pin to initialize the microcontroller.
- Crystal Oscillator: Pins for connecting an external crystal for clock generation.
This microcontroller is widely used in embedded systems for various applications due to its versatility and low power consumption.

Manufacturer

The ATMEGA48A-AU is manufactured by Microchip Technology Inc., an American semiconductor company. Founded in 1989, Microchip specializes in microcontroller, mixed-signal, analog, and Flash-IP solutions. The company is well-known for its extensive range of microcontrollers, particularly the PIC and AVR families, which are widely used in embedded systems. Microchip provides products and services that cater to various industries, including automotive, industrial, consumer, and communications markets. With a focus on innovation and quality, Microchip supports developers through a comprehensive ecosystem of tools, software, and technical resources.

Application

The ATmega48A-AU microcontroller is commonly used in various applications, including consumer electronics, automation, robotics, and sensor interfacing. It is ideal for low-power devices, home automation systems, and wearable technology. Additionally, it serves in educational projects, DIY electronics, and prototyping due to its ease of use and programming flexibility. Its integrated features make it suitable for controlling motors, LED displays, and communication interfaces in embedded systems.

Equivalent

The ATmega48A-AU is a microcontroller from the AVR family. Equivalent products include the ATmega48PA-AU, ATmega88A-AU, and ATmega88PA-AU, which offer similar features and pin configurations. Additionally, the ATtiny series, such as the ATtiny84A, may serve in specific applications, though they differ in I/O and memory. Always check specific datasheets for compatibility in terms of features and specifications.

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TNT: Chi phí vận chuyển dao động từ $ 25- $ 65 (0,5kg), với thời gian giao hàng ước tính là 3-7 ngày làm việc.

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