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ATMEGA168-20AU Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ATMEGA168-20AUMICROCHIP1000Yes

ATMEGA168-20AU** is a microcontroller from **Microchip Technology** based on the **AVR RISC architecture**.

The ATMEGA168-20AU is a microcontroller from Microchip Technology based on the AVR RISC architecture. Below are its specifications, descriptions, and features:

Manufacturer:

  • MICROCHIP

Specifications:

  • Core: 8-bit AVR RISC
  • Flash Memory: 16 KB (with Read-While-Write capability)
  • SRAM: 1 KB
  • EEPROM: 512 Bytes
  • Operating Voltage: 1.8V - 5.5V
  • Speed: Up to 20 MHz at 4.5V - 5.5V
  • I/O Pins: 23
  • ADC Channels: 8 (10-bit resolution)
  • Timers: Two 8-bit, One 16-bit
  • PWM Channels: 6
  • USART: 1
  • SPI Interface: Yes
  • I2C (TWI): Yes
  • Watchdog Timer: Yes
  • Power-on Reset & Brown-out Detection: Yes
  • Package: TQFP-32

Descriptions:

  • The ATMEGA168-20AU is a low-power, high-performance microcontroller with advanced RISC architecture.
  • It features in-system self-programmable Flash, making it suitable for embedded applications.
  • Supports real-time debugging via JTAG (IEEE 1149.1 compliant).
  • Ideal for battery-powered devices, sensor systems, and industrial control applications.

Features:

  • Advanced RISC Architecture (131 powerful instructions, most single-clock cycle execution)
  • Non-volatile Program & Data Memory (16KB Flash, 512B EEPROM)
  • Peripheral Features:
  • 8-channel 10-bit ADC
  • 6 PWM channels
  • USART, SPI, I2C (TWI)
  • Analog Comparator
  • Low Power Consumption (Idle, Power-down, Standby modes)
  • Wide Operating Voltage (1.8V - 5.5V)
  • Industrial Temperature Range (-40°C to +85°C)

This microcontroller is widely used in embedded systems, automation, and IoT applications due to its efficiency, flexibility, and robust peripheral integration.

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