The ATMEGA88P-20AU is a high-performance, low-power AVR 8-bit microcontroller from Microchip Technology (formerly Atmel). It combines 8KB ISP flash memory with read-while-write capabilities, 512B EEPROM, 1KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, a serial programmable USART, a byte-oriented 2-wire serial interface, an SPI serial port, a 6-channel 10-bit A/D converter (8 channels in TQFP and QFN/MLF packages), a programmable watchdog timer with internal oscillator, and five software selectable power saving modes. The device operates between 1.8-5.5 volts. The ATMEGA88P features improved noise immunity and lower power consumption compared to its predecessors.

Applications

• Industrial Automation: Used for controlling sensors, actuators, and other industrial equipment.
• Consumer Electronics: Implemented in remote controls, toys, and other consumer devices.
• Automotive Electronics: Employed in automotive systems for controlling various functions.
• Medical Devices: Used in portable medical devices and monitoring equipment.
• Internet of Things (IoT) Devices: Integrated into connected devices for data collection and control.

Features

• High-Performance AVR CPU: Delivers efficient processing power.
• 8KB Flash Memory: Provides ample storage for program code.
• 512 Bytes EEPROM: Offers non-volatile storage for configuration data.
• 1KB SRAM: Enables fast data access and manipulation.
• Multiple Communication Interfaces: Supports USART, SPI, and I2C for versatile communication.

Benefits

• Versatile Application: Suitable for a wide range of embedded applications.
• High Performance: Delivers excellent processing capabilities for demanding tasks.
• Low Power Consumption: Extends battery life in portable applications.
• Robust Performance: Offers improved noise immunity for reliable operation.
• Easy to Program: Supports various programming languages and development tools.

Additional Details

The ATMEGA88P-20AU operates at a maximum clock frequency of 20 MHz. The 'AU' suffix indicates that it comes in a TQFP (Thin Quad Flat Package). The operating voltage range is typically 1.8V to 5.5V. Key specifications include the number of I/O pins, the number of timer/counters, and the resolution of the A/D converter. It's a popular choice due to its balance of performance, features, and cost. Microchip provides datasheets and development tools for the ATMEGA88P series.