Atmel ATMEGA1284P-PU 8-bit AVR Microcontroller, 128KB Flash, 40-pin DIP

The Atmel ATMEGA1284P-PU is a low-power CMOS 8-bit microcontroller based on the high-performance AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, it achieves throughputs approaching 1 MIPS per MHz, allowing system designers to perfectly balance power consumption against processing speed for efficient embedded designs.

This microcontroller is packed with advanced features, including 128KB of in-system self-programmable Flash memory, 4KB of EEPROM, and 16KB of internal SRAM, ensuring ample space for complex applications. It supports extensive on-chip debugging and programming of Flash, EEPROM, fuses, and lock bits via the JTAG interface, streamlining the development process.

Core Features & Performance

• High-Speed Core: Delivers up to 20 MIPS throughput at 20 MHz.
• Rich Memory: 128KB Flash, 16KB SRAM, and 4KB EEPROM for flexible data and program storage.
• Enhanced I/O: Features 32 general-purpose I/O lines for versatile connectivity.
• Advanced Peripherals: Includes two 8-bit timer/counters, a Real-Time Counter with a separate oscillator, six PWM channels, and an 8-channel 10-bit ADC with differential mode and selectable gain.
• Communication Interfaces: Equipped with Two programmable Serial USARTs and a Byte-oriented Two-wire Serial Interface (TWI).
• Touch Sensing: Supports QTouch® and QMatrix® acquisition for capacitive touch interfaces with up to 64 sense channels.
• Robust Data Integrity: Offers exceptional data retention of 20 years at 85°C or 100 years at 25°C.

Ideal for a vast range of applications, from industrial motor control and sensing instrumentation to portable multimedia devices and wireless systems, the ATMEGA1284P-PU combines power, flexibility, and reliability in a proven through-hole DIP package.