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ATMEGA325-16AU

Name: ATMEGA325-16AU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 32KB FLASH 64TQFP

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Mfr。パート #ATMEGA325-16AU
パッケージ TQFP-64
データシート ATMEGA325-16AU DataSheet
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仕様

Package	Tray
Series	AVR® ATmega
ProductStatus	Active
CoreProcessor	AVR
CoreSize	8-Bit
Speed	16MHz
Connectivity	SPI, UART/USART, USI
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O	54
ProgramMemorySize	32KB (16K x 16)
ProgramMemoryType	FLASH
EEPROMSize	1K x 8
RAMSize	2K 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	64-TQFP

概要

Description

The ATmega325-16AU is a microcontroller from Atmel's AVR family, featuring an 8-bit AVR RISC architecture. It operates at a maximum clock speed of 16 MHz and has 32 KB of flash memory for program storage, 2 KB of SRAM, and 1 KB of EEPROM for non-volatile data. The device includes a variety of peripheral features such as 23 general-purpose I/O pins, three 16-bit timers, and an onboard 10-bit ADC with up to 8 channels, making it suitable for various applications in embedded systems.
It supports several communication protocols, including USART, SPI, and I2C, facilitating connectivity with other devices. The ATmega325-16AU is also notable for its low power consumption, making it ideal for battery-operated applications. It comes in a 32-pin TQFP (Thin Quad Flat Package) form factor, which allows for compact design in electronics. Its versatility and ease of integration make it a popular choice for hobbyists and professionals alike in developing embedded solutions.

Features

The ATmega325-16AU is a microcontroller from Atmel's AVR series, featuring:
- Architecture: 8-bit AVR RISC architecture
- Operating Speed: Up to 16 MHz
- Memory: 32 KB Flash memory, 2 KB SRAM, and 1 KB EEPROM
- I/O Pins: 32 general-purpose input/output pins
- Timers: Three timers (two 8-bit and one 16-bit)
- ADC: 10-bit Analog-to-Digital Converter (8 channels)
- Communication Interfaces: SPI, I2C (TWI), and USART
- Interrupts: 24 external interrupts, including pin change and timer interrupts
- Power Management: Supports various sleep modes for low-power applications
- Operating Voltage: 1.8V to 5.5V
- Package Type: Available in a 32-pin TQFP or MLF package
These features make the ATmega325-16AU suitable for a wide range of applications, including embedded systems, robotics, and consumer electronics.

Package

The ATMEGA325-16AU is packaged in a 32-pin TQFP (Thin Quad Flat Package) format. This surface-mount package is designed for efficient space utilization on PCBs and offers a compact solution for embedding the microcontroller in various applications.

Pinout

The ATmega325-16AU is an 8-bit microcontroller from the AVR family, featuring a total of 32 pins. It is housed in a 32-lead TQFP (Thin Quad Flat Package) or a 32-lead MLF (Micro Lead Frame) package. The pin functions include:
- Digital I/O: 23 general-purpose I/O pins.
- Analog Inputs: 8 channels (ADC) for analog-to-digital conversion.
- Timers: Two 8-bit and one 16-bit timer/counter.
- Communication:
- USART (Universal Synchronous and Asynchronous serial Receiver and Transmitter).
- SPI (Serial Peripheral Interface).
- I2C (Inter-Integrated Circuit).
- External Interrupts: Supports external interrupt sources.
- Power Management: Sleep modes for low power consumption.
The microcontroller operates at a maximum clock frequency of 16 MHz and has flash memory, SRAM, and EEPROM for data storage.

Manufacturer

The ATmega325-16AU is manufactured by Microchip Technology Inc., an American semiconductor company. Founded in 1989, Microchip specializes in producing microcontrollers, mixed-signal, analog, and Flash-IP solutions. The company is well-known for its microcontroller families, including PIC and AVR series, which are widely used in embedded systems and electronic applications. Microchip serves a diverse range of industries, including automotive, industrial, consumer, and communications, providing products and solutions that support various design requirements. The ATmega325 specifically belongs to the AVR microcontroller family and is popular for its ease of use, low power consumption, and extensive community support in DIY electronics and professional applications alike.

Application

The ATmega325-16AU microcontroller is commonly used in various applications, including embedded systems, home automation, robotics, data logging, and consumer electronics. Its features support sensor interfacing, motor control, and communication protocols like UART, SPI, and I2C. Its low power consumption makes it suitable for battery-operated devices, while its versatility allows for use in educational projects and prototype development.

Equivalent

Equivalent products to the ATmega325-16AU include the ATmega324P, ATmega328P, and ATmega640. These microcontrollers share similar architecture and features, such as AVR core, peripheral sets, and programming compatibility. Ensure to check specific pin configurations and memory sizes for compatibility with your application.