ATMEGA325A-MUR

The ATmega325A is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, this microcontroller achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

• High performance, low power AVR® 8-Bit Microcontroller
• Advanced RISC architecture
  • 130 powerful instructions – most single clock cycle execution
  • 32 × 8 general purpose working registers
  • Fully static operation
  • Up to 20MIPS throughput at 20MHz
• High endurance non-volatile memory segments
  • 32Kbytes of In-system self-programmable flash program memory
  • 1Kbytes of EEPROM
  • 2Kbytes of Internal SRAM
  • Write/erase cycles: 10,000 flash/100,000 EEPROM
  • Data retention: 20 years at 85°C/100 years at 25°C (1)
  • Optional Boot Code with Independent Lock Bits
• In-System Programming by On-chip Boot Program
• True read-while-write operation
  • Programming lock for software security
• Touch® library support
  • Capacitive touch buttons, sliders and wheels
  • Touch and QMatrix acquisition
  • Up to 64 sense channels
• JTAG (IE