Atmel ATMEGA644P-20PU 8-Bit Microcontroller 4K DIL40

The ATMEGA644P-20PU 8-Bit microcontroller 4K DIL-40 is from a range of high performance, microcontrollers featuring a wide range of peripherals. MegaAVR Offers substantial program and data memory and performance approaching 1 MIPS per MHz. Shares the same AVR instruction set and memory organisation as ATtiny, Allowing for easy migration.

• 130 Powerful instructions, most of which execute within a single clock cycle
• Self-programming FLASH memory with boot block
• High accuracy 10-bit ADC and up to x200 analogue gain stage options
• UART/USMART and SPI interfaces on all models
• Two Wire Interface (compatible with I²C) on all models except ATmega162
• Low power device options offer 1.8V operations, optimising battery life
• Choice of through-hole and QFP packages
• IEEE 1149.1 compliant JTAG interface options