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ATMEGA168-20PU

Name: ATMEGA168-20PU
Rating: 4.8 (15 reviews)

+BOM

IC MCU 8BIT 16KB FLASH 28DIP

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제조업체 부품 #ATMEGA168-20PU
데이터시트 ATMEGA168-20PU DataSheet
패키지 PDIP-28
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사양

속성	가치
Package / Case	Tube
Series	AVR® ATmega
Part Status	Active
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	16KB (8K x 16)
Program Memory Type	FLASH
EEPROM Size	512 x 8
RAM Size	1K x 8
Voltage - Supply (Vcc/Vdd)	2.7V ~ 5.5V
Data Converters	A/D 6x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Through Hole

개요

Description

The ATmega168-20PU is an 8-bit microcontroller from Microchip’s AVR family, based on RISC architecture. Key features:
- Clock Speed: Up to 20 MHz (indicated by "20" in the part number).
- Flash Memory: 16 KB for program storage.
- SRAM: 1 KB and EEPROM: 512 bytes for data.
- I/O Pins: 23 programmable GPIOs.
- Peripherals: Timers, USART, SPI, I²C, and 10-bit ADC.
- Voltage Range: 1.8V–5.5V, suitable for low-power applications.
- Package: 28-pin PDIP ("PU" suffix), ideal for prototyping.
Commonly used in embedded systems, DIY projects (e.g., Arduino boards), and industrial controls due to its balance of performance, power efficiency, and ease of use.

Equivalent

Equivalent products to the ATMEGA168-20PU include:
- ATMEGA168-20AU (TQFP package)
- ATMEGA168P-20PU (enhanced power efficiency)
- ATMEGA168V-10PU (lower voltage, 10MHz)
- ATMEGA328P-PU (higher memory, drop-in replacement in many cases)
- ATMEGA88-20PU (smaller flash but pin-compatible).
Check datasheets for exact compatibility in your application.

Features

The ATmega168-20PU is an 8-bit AVR microcontroller with the following key features:
- Core: 8-bit AVR, up to 20 MHz clock speed (20PU variant).
- Flash Memory: 16 KB (with bootloader support).
- SRAM: 1 KB.
- EEPROM: 512 bytes.
- I/O Pins: 23 programmable (6 PWM, 8 ADC channels).
- Peripherals: USART, SPI, I²C, 8/16-bit timers, watchdog timer.
- ADC: 10-bit, 6-channel.
- Operating Voltage: 1.8V–5.5V.
- Package: 28-pin PDIP (DIP).
- Power Efficiency: Multiple sleep modes.
Ideal for embedded systems, DIY projects, and low-power applications.

Pinout

The ATMEGA168-20PU is a 28-pin DIP microcontroller from Atmel (now Microchip).
Pin Count: 28 pins (PDIP package).
Key Functions:
- I/O Ports: 23 programmable I/O pins (Ports B, C, D).
- Communication: USART, SPI, and I²C (TWI).
- Analog: 6-channel 10-bit ADC.
- Timers: Three timers (two 8-bit, one 16-bit).
- Clock Speed: Up to 20 MHz (20PU variant).
- Memory: 16 KB Flash, 1 KB SRAM, 512 B EEPROM.
- Power: Operates at 1.8–5.5V.
Commonly used in Arduino boards (e.g., older Nano models).

Application

The ATmega168-20PU is an 8-bit microcontroller from Microchip (formerly Atmel) with applications in:
- Embedded Systems: IoT devices, sensors, and automation.
- Consumer Electronics: Remote controls, toys, and small appliances.
- Industrial Control: Motor control, monitoring systems, and instrumentation.
- DIY & Hobby Projects: Arduino-compatible boards (e.g., Arduino Pro Mini).
- Automotive: Basic control modules and accessories.
It features 16KB Flash, 1KB RAM, 512B EEPROM, and operates at 20MHz, making it suitable for low-power, cost-sensitive designs.

Package

The ATMEGA168-20PU comes in a PDIP (Plastic Dual In-line Package). It has 28 pins, a 0.6-inch width, and is through-hole mountable, making it suitable for prototyping and breadboarding. The "-20" indicates a 20 MHz max clock speed, and "PU" denotes the industrial temperature range (-40°C to +85°C).