Datasheet

Microcomputer/Controller Featuring the ATmega64 or the ATmega128

FEATURES

• Small size – complete computer/controller with I/O less than 1.5 cubic inches (1.5” x 2.1” x 0.52 )
• Low power only 275 mW typical
• Dual powered – operates on +5V or 6.5-20V at 55 mA (typical)
• Program and Data Memories
• 64k or 128k Bytes of In-System Reprogrammable Flash with 10,000 Write/Erase Cycles
  • In-System Programming by On-chip Bootloader
  • 2 or 4 K Bytes EEPROM with 100,000 Write/Erase Cycles
  • 32K Bytes SRAM
  • Programming lock for Software Security
  • SPI interface for In-System Programming
• Peripheral Features
  • Optional 2-channel 12-bit ADC
  • 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
    • 1 TTL
    • 1 RS-232A, RS-422, or RS485
  • Master/Slave SPI Serial Interface
  • Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
  • Two Expanded 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
  • Two 8-bit PWM Channels
  • 6 PWM Channels with Programmable Resolution from 1 to 16 Bits
  • Programmable Watchdog Timer with On-chip Oscillator
  • On Chip Analog Comparator
  • 29 Digital I/O that can sink or source 20mA
    
    
    
    
    

Micro64/128 Pinout

Micro64/128 Features