??????? Embedded System Presentation

1
???????Embedded System Presentation
???? ??? ?? ??? ??? R89725007
??? R89725004 ???? May,09,2002
2
???????

• ????????
• ????????
• ????????????
• ????????
• ???????????????

3
????????

• ???????????,??????8051???????x86???????
• ????????,?????????????????????????
• ???????????,????????,???????????,?????
• ???????,??????????,??????????????

4
????????

• ???????????????? ??Intel???????,?????????Windows
  ???(compromise)?
• ?PC?????,?Intel??????????????????,????????,?????
• ???????,??????,????,??????,?????????????????
• ?,?,?,?,?????????????
• ??,???,?Internet ????????

5
???????? (?)

• ??????????
• ?????? (real-time multi-tasking kernel)
  ?????????(Real-Time multi-tasking Operating
  System, RTOS) ??????
• ?????????????????,????????????interlock,??????????
  ????????????,??CPU?????,?????????,???????????,????
  ????
• ???SOC ( System On Chip ) ?????
• ??ASIC?????????,??????????,????????,???ASIC????,??
  ASIC??????????????????,????????????????,??????

6
???????? (?MP3??)

• ????MP3??/???????(hardware base)
• ?????????,??????????????????,?????????MP3?????????
  ??????????????????????????,??????????
• ?????MP3??(firmware base)
• ??????????????????????????????MP3?????????????????
  ?????
• ????????????(ASIC)????????????????,???????????????
  ??,????????????????????--??????????????

7
????????

• ?????(Embedded System)????????????,????????????
• ?? 60??????????pSOS?QNX?Nucleus?Win
  CE?VxWorks?JavaOS??????,?? 40 ?????????

8
????????????
OS names Vendors OS names Vendors
VxWorks Wind River Chorus Sun Micro
ECOS Red Hat EPOC32 Symbian
LynaOS Lynx PalmOS 3com
Windows CE Microsoft MicroC/OS White Horse Design
RTEMS OAR corp OS /9 Micorwave
EOS Etnoteam PSOS ISI
QNX QNX VRTX Microtec
OSE Enea Java OS Sun Micro
9
??????????? ????Intel,???MIC ?? 2001?4?
10
??????? ????IDC,???MIC ??
2001?3?
11
????????

• ????
• ?????
• ???????
• ??????????
• ????
• ???
• ?????
• ???????
• ??

12
???????????????????
13
????????????
14
????????????