ATmega Series 8 KB Flash 1 KB SRAM 20 MHz 8-Bit Microcontroller – TQFP-32

ATMEGA88PA-AU – 8-Bit AVR Microcontroller – 8KB Flash, 20MHz – Microchip Technology

The ATMEGA88PA-AU from Microchip Technology is a high-performance, low-power 8-bit AVR® microcontroller engineered for embedded control applications. Featuring 8KB Flash memory, 1KB SRAM, and versatile I/O capabilities, this IC delivers efficient processing in a compact 32-TQFP package. PCX supplies this reliable component with guaranteed stock and rapid shipping to keep your projects on schedule.

Key Features

• Core: 8-Bit AVR RISC processor @ 20MHz clock speed
• Memory: 8KB Flash, 1KB SRAM, 512B EEPROM
• Voltage Range: 1.8V–5.5V operation (low-power compatible)
• I/O & Connectivity: 23 programmable I/O pins with I²C, SPI, UART/USART interfaces
• Robust Operation: -40°C to +85°C industrial temperature range
• Integrated Peripherals: Brown-out detection, Power-on Reset, PWM, Watchdog Timer

Technical Details

This surface-mount microcontroller (32-TQFP-7×7 package) includes an 8-channel 10-bit ADC for precision analog measurements. Its internal oscillator eliminates external clock components, while wide voltage compatibility supports battery-powered designs. The device features 512 bytes of EEPROM for non-volatile data storage and advanced power management for energy-sensitive applications.

Typical Applications

• Industrial control systems and sensor interfaces
• Consumer electronics and home automation
• Motor control and power management units
• IoT edge devices and wearable technology
• Embedded security systems and access controls

About Microchip Technology

Microchip Technology is a global leader in microcontroller and analog semiconductor solutions, renowned for innovation in embedded control systems. With over three decades of industry expertise, Microchip consistently delivers high-reliability components that meet stringent quality standards across automotive, industrial, and consumer markets.

The company’s AVR® microcontroller portfolio, including the ATmega series, is celebrated for its power efficiency, code density, and ease of integration. Microchip’s commitment to long-term product availability and comprehensive technical documentation makes them a trusted partner for design engineers worldwide.

About Microcontrollers

Microcontrollers (MCUs) are integrated circuits that serve as the computational “brain” in embedded systems, combining a processor core with memory and programmable I/O peripherals. They execute dedicated tasks in electronic devices, from simple sensor readings to complex automation sequences, enabling precise hardware control.

The ATMEGA88PA-AU exemplifies modern MCU versatility, balancing processing power with ultra-low energy consumption. Such components are fundamental in converting digital logic into physical actions across industries—transforming user inputs into device responses, managing power flows in energy systems, or processing real-time data in smart appliances.

Packaging Options

Available in industry-standard Tray packaging for automated assembly. Contact PCX for reel quantities or custom packaging requirements.

Frequently Asked Questions

Question: What makes DDR3L memory suitable for low-power designs?
Answer: DDR3L operates at 1.35V versus standard DDR3’s 1.5V, reducing power consumption by 15-20% without compromising performance.

Question: Can this microcontroller operate at 3.3V and 5V?
Answer: Yes, its 1.8V–5.5V voltage range supports both 3.3V and 5V systems seamlessly.

Question: Is the internal oscillator calibration sufficient for UART communication?
Answer: The factory-calibrated internal oscillator maintains ±3% accuracy at 25°C/5V, suitable for standard UART baud rates.

Question: How many PWM channels does the ATMEGA88PA-AU support?
Answer: It features six PWM outputs with flexible frequency and duty cycle control.

Question: What development tools support this AVR microcontroller?
Answer: Microchip provides free MPLAB® X IDE and Atmel Studio with full debugging support via JTAG or debugWIRE interfaces.

Question: Does PCX provide technical documentation?
Answer: Yes, PCX offers datasheets and application notes upon request—contact our support team for assistance.

Note: Product images are representational. Actual device may vary.

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