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ATMEGA328P-MMH

Name: ATMEGA328P-MMH
Rating: 4.7 (12 reviews)

IC MCU 8BIT 32KB FLASH 28VQFN

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製造商。部分 #ATMEGA328P-MMH
包 VQFN-28
資料表 ATMEGA328P-MMH DataSheet
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規格

Package	Bulk
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	28-VFQFN Exposed Pad

概述

Description

The ATmega328P-MMH is a microcontroller from Atmel's AVR family, widely used in embedded systems and popularized by the Arduino platform. It features a 8-bit AVR RISC architecture, capable of executing instructions in a single clock cycle, which enhances performance.
Key specifications include:
- Flash Memory: 32 KB for program storage
- SRAM: 2 KB for data storage
- EEPROM: 1 KB for non-volatile data
- Clock Speed: Up to 20 MHz
- I/O Ports: 23 programmable I/O pins
- ADC: 6-channel 10-bit analog-to-digital converter
- Timers: Three timers for various timing applications
- Communication Interfaces: UART, SPI, and I2C for connectivity
The ATmega328P-MMH is ideal for projects requiring low power consumption, versatility, and ease of programming, making it suitable for hobbyists and professionals alike. Its compatibility with Arduino IDE simplifies development, fostering a vast ecosystem of libraries and community support.

Features

The ATmega328P-MMH is an 8-bit microcontroller from Atmel (now part of Microchip Technology) featuring the following key specifications:
1. Architecture: AVR 8-bit RISC.
2. Operating Speed: Up to 20 MHz clock speed.
3. Memory:
- Flash Memory: 32 KB (with 1 KB used for the bootloader).
- SRAM: 2 KB.
- EEPROM: 1 KB.
4. I/O Ports: 23 programmable I/O lines.
5. Analog Features: 6-channel 10-bit ADC (Analog-to-Digital Converter).
6. Timers: 3 timers/counters (2 x 8-bit and 1 x 16-bit).
7. Communication Interfaces: UART, SPI, and I2C support.
8. Power Management: Multiple sleep modes for low power consumption.
9. Operating Voltage: 1.8V to 5.5V.
10. Package: Available in various packages, including DIP, TQFP, and MLF.
The ATmega328P-MMH is widely used in embedded systems, robotics, and as the core of platforms like Arduino Uno.

Package

The ATMEGA328P-MMH is packaged in a 32-pin QFN (Quad Flat No-lead) format, which allows for a compact design and effective thermal performance. This surface-mount package is ideal for space-constrained applications.

Pinout

The ATmega328P-MMH is an 8-bit microcontroller from the AVR family, featuring 32 pins. Its pin count includes:
- 14 Digital I/O Pins (D0-D13)
- 6 Analog Input Pins (A0-A5)
- 1 Reset Pin
- 1 VCC Pin (Power Supply)
- 1 GND Pin (Ground)
- 1 AVCC Pin (Analog Power Supply)
- 1 AREF Pin (Analog Reference)
The microcontroller operates at a maximum frequency of 20 MHz and has 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM. It supports various functionalities, including PWM (Pulse Width Modulation), UART (Universal Asynchronous Receiver/Transmitter), SPI (Serial Peripheral Interface), and I2C (Inter-Integrated Circuit) communication.
It is widely used in embedded applications, such as Arduino boards, due to its versatility and ease of use.

Manufacturer

The ATmega328P-MMH is manufactured by Microchip Technology Inc., an American company that specializes in microcontroller and analog semiconductors. Founded in 1989, Microchip is known for its embedded control solutions and offers a wide range of microcontrollers, including the popular AVR and PIC families. The ATmega328P is particularly renowned for its use in Arduino development boards, making it a favored choice among hobbyists, educators, and professionals for embedded system projects. Microchip focuses on innovation in the fields of microcontrollers, digital signal controllers, and related development tools, catering to various industries such as automotive, consumer electronics, industrial, and telecommunications.

Application

The ATmega328P-MMH is commonly used in embedded systems for applications such as microcontroller boards (e.g., Arduino), robotics, home automation, sensor monitoring, IoT devices, and wearable technology. Its versatility makes it suitable for educational projects, hobbyist developments, and prototyping in various fields, including automotive, healthcare, and environmental monitoring.

Equivalent

Equivalent products to the ATmega328P-MMH include:
1. ATmega168 - Similar features with less memory.
2. ATmega32U4 - USB support with comparable I/O.
3. Microchip PIC16F877A - 8-bit microcontroller with similar functionality.
4. NXP LPC810 - ARM Cortex-M0 with similar performance.
5. Silicon Labs EFM8BB1 - 8-bit microcontroller with comparable capabilities.
These alternatives may vary in features, memory, and peripherals, so review datasheets for specific requirements.