ATmega164A/PA/324A/PA/644A/PA/1284/P Introduction megaAVR® Data Sheet The ATmega164A/PA/324A/PA/644A/PA/1284/P is a low power, CMOS 8-bit microcontrollers based on the AVR® enhanced RISC architecture.
The ATmega164A/PA/324A/PA/644A/PA/1284/P is a 40/49-pins device ranging from 16 KB to 128 KB Flash, with 1 KB to 16 KB SRAM, 512 Bytes to 4 KB EEPROM.
By executing instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instructions per second (MIPS) per