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ATMEGA328-MU

Name: ATMEGA328-MU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 32KB FLASH 32VQFN

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Mfr。パート #ATMEGA328-MU
パッケージ VQFN-32
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仕様

Package	Tray
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	32KB (16K x 16)
ProgramMemoryType	FLASH
EEPROMSize	1K x 8
RAMSize	2K x 8
Voltage-Supply(Vcc/Vdd)	1.8V ~ 5.5V
DataConverters	A/D 8x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	32-VFQFN Exposed Pad

概要

Description

The ATmega328-MU is a microcontroller from the ATmega family, designed by Microchip Technology. It features an 8-bit AVR architecture and is widely used in various applications, including embedded systems and hobbyist projects, notably within the Arduino ecosystem.
Key features include:
- Memory: 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM.
- I/O Ports: 23 programmable I/O lines for interfacing with other devices.
- Clock Speed: Operates at a maximum clock speed of 20 MHz.
- Peripherals: Includes several timers, a real-time counter, ADC (Analog-to-Digital Converter), and USART for serial communication.
- Low Power Modes: Supports various power-saving modes, making it suitable for battery-operated devices.
The ATmega328-MU is available in a compact 32-pin MLF package, facilitating integration into small designs. Its robust performance and ease of use have made it a popular choice for both beginners and experienced developers in electronics and robotics projects.

Features

The ATmega328-MU is a microcontroller from the Atmel AVR family, commonly used in various embedded applications, including Arduino boards. Key features include:
1. Architecture: 8-bit AVR RISC architecture with 32 general-purpose registers.
2. Clock Speed: Operates up to 20 MHz.
3. Memory: 32 KB of Flash memory for program storage, 2 KB of SRAM, and 1 KB of EEPROM.
4. I/O Ports: 23 programmable I/O lines.
5. ADC: 10-bit Analog-to-Digital Converter with up to 8 channels.
6. Timers: Three timer/counters (two 8-bit and one 16-bit).
7. Communication: Supports USART, SPI, and I2C interfaces.
8. Power Management: Low power consumption with various sleep modes.
9. Operating Voltage: 1.8V to 5.5V.
10. Package: Available in 32-pin QFN and TQFP packages.
These features make the ATmega328-MU suitable for a wide range of applications from hobby projects to complex systems.

Package

The ATMEGA328-MU is packaged in a 32-pin Microchip QFN (Quad Flat No-lead) package. This compact package type allows for efficient thermal management and space-saving designs in applications such as embedded systems and microcontroller projects.

Pinout

The ATmega328-MU is a microcontroller from the AVR family, featuring a 32-pin package in a VQFN (Very Thin Quad Flat No-lead) form factor.
Key pin functions include:
- Digital I/O Pins (0-13): Configurable for input or output; used for general-purpose digital signaling.
- Analog Input Pins (A0-A5): Can be used as ADC inputs for reading analog voltages.
- UART (USART): Pins (TX/RX) for serial communication.
- SPI Interface: Pins for SPI communication (MISO, MOSI, SCK).
- I2C Interface: Pins for I2C communication (SDA, SCL).
- External Interrupts: Capable pins for external interrupts.
- Reset Pin: Used to reset the microcontroller.
- Power and Ground Pins: VCC and GND for power supply.
Overall, the ATmega328-MU is widely used in various applications, including Arduino boards, due to its versatility and ease of use.

Manufacturer

The ATmega328-MU is manufactured by Microchip Technology Inc., a prominent American company known for its semiconductor products. Microchip specializes in microcontrollers, analog semiconductors, and memory products, serving a wide range of industries, including automotive, industrial, consumer, and communications. The ATmega328 series, including the ATmega328-MU, is widely recognized for its use in various applications, notably in Arduino platforms, making it a popular choice among hobbyists and professionals for embedded systems design. Microchip Technology provides various development tools and support to enhance the usability of its products, fostering innovation in the electronics sector.

Application

The ATmega328-MU is commonly used in various application areas, including embedded systems, robotics, consumer electronics, and IoT devices. It is popular for DIY projects, Arduino boards, automated control systems, and sensor monitoring. Its versatility makes it suitable for home automation, wearable devices, and educational platforms. The microcontroller's low power consumption and ease of programming further enhance its applicability in diverse industries.

Equivalent

Equivalent products to the ATmega328-MU chip include the ATmega168, ATmega32U4, and ATmega48. These microcontrollers share similar architectures and pin configurations, making them suitable for various applications. For higher performance, consider the ATmega2560 or other members of the ATmega family with similar features. Always verify compatibility for specific project requirements.