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ATmega128? ??

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DK-128 Atmega128. Serial port. Parallel port. ATmega. 4K EEPROM. Power. , . - . FND. Tact Switch. LED. EEPROM – PowerPoint PPT presentation

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Title: ATmega128? ??


1
ATmega128? ??
  • ???? ?????
  • 2010.04.06

2
DK-128 ? Atmega128
???? ??, ??
???? - ???
Serial port
Parallel port
low
high
FND
LED
EEPROM Sensor
ATmega 4K EEPROM
Tact Switch
EEPROM
Power
1TWI clock, 2TWI data, ??58Infrared sensor
3
AVR ???? ????? ??
  • ????????
  • ???????? ??? ????
  • ??? ??? ??(MCU??? ?)

4
???????? VS ????????
5
AVR ???? ????
  • AVR ??? ????????
  • ?? Atmel?? 8?? ??? ???? ????
  • Advanced RISC ??
  • ????? ????
  • ?? ?? ?? ??
  • ????? ??? ??? ?? ??? ??
  • ??? ??? ?? ??
  • ? ? ???? ?? ??

6
?????(Harvard architecture)
  • ??????? ?????? ????? ??
  • ?? ??? ??? ??? ??? ? ? ??
  • CPU? ???? ??
  • ???? ?? ??

???(Harvard) ??
7
RISC? CISC? ???
RISC
CISC
  • ?? ??? ??? ??
  • ?? ????
  • ?? ????
  • ?? ???
  • ?? ??? ??? ??
  • ?? ????
  • ?? ????
  • ?? ???

8
Atmel?? AVR ??? ??
  • ?????
  • 16bit ??? ??, 8bit ??? ?? ??
  • RISC??
  • ???, ??? ?? ?? ?? ? ??
  • ???? ??? ??
  • 32? ?? ????
  • ???? ???? ?? ??? ???? ??
  • ?? 4KB SRAM ??
  • 3?? ??? ??
  • ATtiny Family
  • AT90 Family
  • ATmega Family ? Atmega128 ??

9
ATmega128? ?? ??? ??
  • 8?? CMOS? ???? ????
  • Harvard Architecture ??
  • ???? ??? ?????? ??
  • ?? ???
  • ???? ??? 128KB
  • SRAM 4KB
  • EEPROM 4KB
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