[发布时间:10-11-19 来源: 发布者:admin 点击次数:]

  High Performance, Low Power AVR 8-Bit Microcontroller
  Advanced RISC Architecture
  135 Powerful Instructions Most Single Clock Cycle Execution
  32 x 8 General Purpose Working Registers
  Fully Static Operation
  Up to 16 MIPS Throughput at 16 MHz
  On-Chip 2-cycle Multiplier
  Non-volatile Program and Data Memories
  64K/128K/256K Bytes of In-System Self-Programmable 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
  4K Bytes EEPROM Endurance: 100,000 Write/Erase Cycles
  8K Bytes Internal SRAM
  Up to 64K Bytes Optional External Memory Space
  Programming Lock for Software Security
  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 Prescaler and Compare Mode
  Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
  Real Time Counter with Separate Oscillator
  Four 8-bit PWM Channels
  Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits (ATmega1281/2561, ATmega640/1280/2560)
  Output Compare Modulator
  8/16-channel, 10-bit ADC (ATmega1281/2561, ATmega640/1280/2560)
  Two/Four Programmable Serial USART (ATmega1281/2561,ATmega640/1280/2560)
  Master/Slave SPI Serial Interface
  Byte Oriented 2-wire Serial Interface
  Programmable Watchdog Timer with Separate On-chip Oscillator
  On-chip Analog Comparator
  Interrupt and Wake-up on Pin Change
  Special Microcontroller Features
  Power-on Reset and Programmable Brown-out Detection
  Internal Calibrated Oscillator
  External and Internal Interrupt Sources
  Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
  I/O and Packages
  54/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
  64-pad QFN/MLF, 64-lead TQFP (ATmega1281/2561)
  100-lead TQFP, 100-ball CBGA (ATmega640/1280/2560)
  24小时业务服务热线:086-0755- 83690800
  24小时技术咨询热线:086-0755- 83676323