ATMEGA88-20AU 8-bit AVR Microcontroller, TQFP32 Package

The ATMEGA88-20AU is a high-performance, low-power 8-bit AVR RISC-based microcontroller from Atmel. It integrates 8kB of in-system programmable (ISP) flash memory, 1kB of SRAM, and 512B of EEPROM for robust data handling. This versatile MCU features an 8-channel, 10-bit analogue-to-digital converter and the debugWIRE interface for streamlined on-chip debugging, making development and troubleshooting significantly easier.

Engineered for efficiency, the device supports a throughput of 20 MIPS at 20 MHz and operates across a broad voltage range of 2.7V to 5.5V. Its advanced RISC architecture executes powerful instructions in a single clock cycle, achieving a performance of nearly 1 MIPS per MHz. This balances exceptional processing speed with controlled power consumption, ideal for demanding embedded applications.

The core incorporates 32 general-purpose working registers, all directly connected to the Arithmetic Logic Unit (ALU). This design allows two independent registers to be accessed in a single clock cycle, resulting in an architecture that is vastly more code-efficient and delivers throughputs up to ten times faster than conventional CISC microcontrollers.

Key features include:

• Advanced RISC architecture with an on-chip two-cycle multiplier for fast mathematical operations.
• High-endurance, non-volatile memory segments for reliable data storage.
• Support for the QTouch® library, enabling the implementation of capacitive touch buttons, sliders, and wheels.
• A real-time counter with a separate oscillator for accurate timing.
• Comprehensive power management with power-on reset, programmable brown-out detection, an internal calibrated oscillator, and five selectable sleep modes: Idle, ADC noise reduction, Power-save, Power-down, and Standby.
• 23 programmable I/O lines with extensive interrupt capabilities.

Housed in a compact TQFP32 (Thin Quad Flat Pack) SMD (