• High-performance, Low-power Atmel®AVR®8-bit Microcontroller
• Advanced RISC Architecture
   – 133 Powerful Instructions – Most Single Clock Cycle Execution
   – 32 x 8 General Purpose Working Registers + Peripheral Control Registers
   – Fully Static Operation
   – Up to 16MIPS Throughput at 16MHz
   – On-chip 2-cycle Multiplier
• High Endurance Non-volatile Memory segments
   – 128Kbytes of In-System Self-programmable Flash program memory
   – 4Kbytes EEPROM
   – 4Kbytes Internal SRAM
   – Write/Erase cycles: 10,000 Flash/100,000 EEPROM
   – Data retention: 20 years at 85°C/100 years at 25°C

   – Optional Boot Code Section with Independent Lock Bits
      In-System Programming by On-chip Boot Program
      True Read-While-Write Operation
   – Up to 64Kbytes Optional External Memory Space
   – Programming Lock for Software Security
   – SPI Interface for In-System Programming
• QTouch® library support
   – Capacitive touch buttons, sliders and wheels
   – QTouch and QMatrix acquisition
   – Up to 64 sense channels
• JTAG (IEEE std. 1149.1 Compliant) Interface
   – Boundary-scan Capabilities According to the JTAG Standard
   – Extensive On-chip Debug Support
   – Programming of Flash, EEPROM, Fuses and Lock Bits through the JTAG Interface
• Peripheral Features
   – Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
   – Two Expanded 16-bit Timer/Counters with Separate Prescaler, Compare Mode and Capture
      Mode
   – Real Time Counter with Separate Oscillator
   – Two 8-bit PWM Channels
   – 6 PWM Channels with Programmable Resolution from 2 to 16 Bits
   – Output Compare Modulator
   – 8-channel, 10-bit ADC
      8 Single-ended Channels
      7 Differential Channels
      2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
   – Byte-oriented Two-wire Serial Interface
   – Dual Programmable Serial USARTs
   – Master/Slave SPI Serial Interface
   – Programmable Watchdog Timer with On-chip Oscillator
   – On-chip Analog Comparator
• Special Microcontroller Features
   – Power-on Reset and Programmable Brown-out Detection
   – Internal Calibrated RC Oscillator
   – External and Internal Interrupt Sources
   – Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and
      Extended Standby
   – Software Selectable Clock Frequency
   – ATmega103 Compatibility Mode Selected by a Fuse
   – Global Pull-up Disable
• I/O and Packages
   – 53 Programmable I/O Lines
   – 64-lead TQFP and 64-pad QFN/MLF
• Operating Voltages
   – 2.7 - 5.5V ATmega128L
   – 4.5 - 5.5V ATmega128
• Speed Grades
   – 0 - 8MHz ATmega128L
   – 0 - 16MHz ATmega128