ATmega64
ATmega64L

8-bit AVR with 64K Bytes In-System Programmable Flash

• High-performance, Low-power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
  – 130 Powerful Instructions – Most Single Clock Cycle Execution
  – 32 x 8 General Purpose Working Registers + Peripheral Control Registers
  – Fully Static Operation
  – Up to 16 MIPS Throughput at 16 MHz
  – On-chip 2-cycle Multiplier
• Non-volatile Program and Data Memories
  – 64K Bytes of In-System Reprogrammable Flash
    Endurance: 10,000 Write/Erase Cycles
  – Optional Boot Code Section with Independent Lock Bits
    In-System Programming by On-chip Boot Program
    True Read-While-Write Operation
  – 2K Bytes EEPROM Endurance: 100,000 Write/Erase Cycles
  – 4K Bytes Internal SRAM
  – Up to 64K Bytes Optional External Memory Space
  – Programming Lock for Software Security
  – SPI Interface for In-System Programming
• 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 1 to 16 Bits
  – 8-channel, 10-bit ADC 
    8 Single-ended Channels
    7 Differential Channels
    2 Differential Channels with Programmable Gain (1x, 10x, 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 for ATmega64L
  – 4.5 - 5.5V for ATmega64
• Speed Grades
  – 0 - 8 MHz for ATmega64L
  – 0 - 16 MHz for ATmega64