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Atmega_640_1281_1280_2561_2560 处理器
  列清单与比较        
  部件型号 家族 制造商 内核变量 频率 Flash/ROM 封装
 ATmega640V  Mega AVR  Atmel  AVR-8  8MHz  65536  TQFP100
 ATmega640  Mega AVR  Atmel  AVR-8  16MHz  65536  TQFP100
 ATmega2561V  Mega AVR  Atmel  AVR-8  8MHz  262144  MLF64, TQFP64
 ATmega2561  Mega AVR  Atmel  AVR-8  16MHz  262144  MLF64, TQFP64
 ATmega2560V  Mega AVR  Atmel  AVR-8  8MHz  262144  TQFP100
 ATmega2560  Mega AVR  Atmel  AVR-8  16MHz  262144  TQFP100
 ATmega1281V  Mega AVR  Atmel  AVR-8  8MHz  131072  MLF64, TQFP64
 ATmega1281  Mega AVR  Atmel  AVR-8  16MHz  131072  MLF64, TQFP64
 ATmega1280V  Mega AVR  Atmel  AVR-8  8MHz  131072  TQFP100
 ATmega1280  Mega AVR  Atmel  AVR-8  16MHz  131072  TQFP100
  
Atmega640, Atmega1281, Atmega1280, Atmega256, Atmega2560 Features:
  • 64 to 256-Kbyte self-programming Flash Program Memory
  • 8-Kbyte SRAM
  • 4-KByte EEPROM
  • 16 Channel 10-bit A/D-converter
  • JTAG interface for on-chip-debug
  • Up to 16 MIPS throughput at 16 MHz (640, 1281, 1280, 2561, 2560)
  • 1.8 - 5.5 Volt Operation (640V, 1281V, 1280V, 2561V, 2560V)
  • Versions:
    • 64KB/100-pin version: ATmega640
    • 128KB/64-pin version: ATmega1281
    • 128KB/100-pin version: ATmega1280
    • 256KB/64-pin version: ATmega2561
    • 256KB/100-pin version: ATmega2560