ATMEGA168P-20AN

Product Overview

The ATMEGA168P-20AN is a high-performance, low-power 8-bit AVR RISC-based microcontroller from Microchip Technology. Featuring 16KB of in-system programmable flash memory, 512 bytes of EEPROM, and 1KB of SRAM, this microcontroller delivers exceptional processing capabilities at 20MHz. With 23 programmable I/O lines, advanced peripheral features including PWM, watchdog timer, and brown-out detection, the ATMEGA168P-20AN is engineered for demanding embedded applications across industrial, automotive, and IoT sectors.

Key Features & Benefits

• High-Speed Processing: 20MHz clock frequency ensures rapid execution of complex control algorithms
• Versatile Connectivity: Integrated I2C, SPI, and UART/USART interfaces enable seamless communication with peripheral devices
• Robust Memory Architecture: 16KB flash program memory, 512-byte EEPROM for data retention, and 1KB SRAM for runtime operations
• Wide Operating Voltage Range: 2.7V to 5.5V supply voltage supports diverse power configurations
• Extended Temperature Range: -40°C to 105°C operation ensures reliability in harsh industrial environments
• Advanced Analog Capabilities: 8-channel 10-bit ADC for precision sensor interfacing
• Compact Surface Mount Package: 32-TQFP (7x7mm) footprint optimizes board space utilization
• RoHS Compliant: Environmentally responsible design meets global regulatory standards

Applications

The ATMEGA168P-20AN microcontroller excels in a wide range of applications including industrial automation systems, motor control, sensor networks, consumer electronics, automotive electronics, medical devices, and IoT edge computing platforms. Its combination of processing power, peripheral integration, and low power consumption makes it ideal for battery-operated and energy-efficient designs.

Technical Specifications Summary

This AVR microcontroller combines an 8-bit RISC architecture with Harvard memory structure, delivering 20 MIPS throughput at maximum frequency. The device includes 23 general-purpose I/O pins, three flexible timer/counters with compare modes, internal and external interrupts, a programmable watchdog timer with separate on-chip oscillator, and a full-duplex USART. Power-saving modes including Idle, ADC Noise Reduction, Power-save, Power-down, and Standby extend battery life in portable applications.

Why Choose HQICKEY?

At HQICKEY, we specialize in providing authentic, high-quality semiconductor components with guaranteed lifecycle support. Our extensive inventory of microcontrollers ensures you have access to the components you need, when you need them. For technical insights, application notes, and industry trends, visit our technical blog.

• ATMEGA168P-20AN.pdf