ATMEGA168-20PU

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ATMEGA168-20PU

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IC MCU 8BIT 16KB FLASH 28DIP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tube
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 16KB (8K x 16)
ProgramMemoryType FLASH
EEPROMSize 512 x 8
RAMSize 1K x 8
Voltage-Supply(Vcc/Vdd) 2.7V ~ 5.5V
DataConverters A/D 6x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Through Hole
Package/Case 28-DIP (0.300, 7.62mm)

Tổng quan

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).

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