??????????,????????,???????????????,?:8051?PIC?ARM?

1
?????????

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

2
??

• ??????????????????????????????????????????,
• ???????????????????????????????????????
• ??????????,????????,???????????????,?8051?PIC?ARM
  ??? ?

3
???????????????

• ????????????,????????????????????????????????????
  ?????????.???
• ???????????????????????????????

4
???????????????
????
??????
????,?? ????????? ????,??????????? ????
????
???? ?????
???? ???
???? ????
?????????????????????
5
????????????

• ???????????????
• CPU ???????
• RAM?EEPROM/Flash ROM
• ??/???
• ??I/O??????
• ADC/DAC?PWM?audio?RF.??

6
??????????
7
??????(CPU)??

• CPU?????????????????????????????????????????????,?
  ??????? (CISC)??????(RISC) ???
• ????? ?????(???)??????????????????????????????
• ??????????(??,???50?????)??????????(?????????,???
  ???? pipeline ????)??????,??????????????????

8
RAM?EEPROM/Flash ROM

• ???????(RAM)?CPU?????????
• ?????????(EEPROM/Flash ROM)???????????,???????????
  ?????
• ??????????????,?????????????????????,?????????????
  

9
????(monitor unit)

• ??????????????,??????????????,???????????,
• ????(Reset)
• ????(Power up)
• ????(Brown out)
• ????(Sleep mode)
• ???(Watchdogs)
• ?????(Interrupt control)

10
????(Reset)

• ???????(hot reset)?????(cold reset)?
• ????(cold reset)?????????????,????????????????????
  ???,?????????(????)
• ????(hot reset)????????,?????????????,????????,???
  ????????????????????

11
????????
Power on reset ??
12
???????????
????
????
????
????
13
??brown out????
????
Vbor
???, VltVbor TgtTbor
Tbor
14
????(Sleep mode)???????(Watchdogs timer)

• ??????????????????????,??????????????????????,???
  ??????????????,??????????,???????????
• ??????(Watchdogs timer) ?????????????,???????????
  ????(Watchdogs timer),??????????,????????????

15
?????(Interrupt control)

• ????????????????????????????????????
• ?????????,CPU??????????????????????????????????
• ?????????????????????????????(???????)???(???????
  ??)?
• ??????????????????,??????????????????????????????
  ,?????????,?????????????
• ???????????????,??????????????,?CPU???????

16
?????(Timing generate)

• ??????????????????????????,??????,????????????????
  ?
• ???????????????RC?????????????
• ???????????,???????(phase lock loop, PLL)?????
• ?????????,?????????????? ?

17
RC????
18
??????????
19
????????????
20
??/???

• ??/???????????????
• ?????????(Prescaler),????????????????
• ??????,?????(Postescaler),??????????????????????
• ?????????????????,????????????
• ??(capture)??
• ??(compare)??
• ?????(pulse width modulation)???

21
??(??)?????
22
???????????--??(capture)????
23
??(capture)????????
24
??(compare)????????
25
PWM?????????
26
??I/O?

• ????????????,????????????????(????????)?
• ????????
• ???(?)??????????????,????????(buffer)?
• ??????mA???mA,???????????(??sink)?????(??source)??
  ????
• ????????
• ??????(pullup resistance )?????????????????(latch)
  ????
• ???????,??????????????????????????????

27
?????????
28
ADC?DAC

• ADC????????,???????????????????????????????(sampl
  ing theorem)???
• DAC????????????????? ?
• ???? ????
• ??????????

29
???????????????
30
?????(ADC)?????
31
???????????????
32
?????(DAC)?????
33
?????????

• ???????1???????,2????????
• ???????????????????????,????????/?????PMM???
• ??????CPU???????????????(handshake)????????,?????
  ??????????????,?????????????

34
??????????
????
????
35
??????????
36
??????????
37
???????????

• ?????????????????,???????????
• ??????????????
• ?????????,??????????
• ??????,??????????????
• ?????????
• ?????????
• ?????,?????????????
• ????????????????,???????????
• ??????????,????????????????

38
?????????
39
???????????

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

40
??????????(integrate development environment, IDE)

• ??????????,????????????????????,???
• ?????
• ????????
• ??(??????????)?
• ?????
• ??????
• ??????
• ??????????

41
???????????

• ????????????????????????
• ???????????????????
• ???????????,????????????????,???????????(?????????
  ,?????????????,?????CPU??????,???CPU?data
  sheet???????)?
• ????????????????????

42
????

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

43
?????????

• ??????????????,???????(Dummy program)???
• ????(step)????(breakpoint)????????,???????????,???
  ????????
• ??????????,?????????????,????(step)????(breakpoint
  )?????????????

44
????????

• ??????????,????????????(simulation)???(emulation)?
  ?????????,???????????(breakpoint)?????(trace)?????
  ???????????????(BUG)?
• ??(simulation),???????(IDE)??,????????????????????
  ????
• ??(emulation)?????(in circuit emulation,
  ICE)??????????????????????,????????????,??????????
  ???????

45
??

• ?????????????????,??????(SOC)?????????????????????
  ?,????????????????????????,???????????,???????????
  ,??????????????
• ???????????????????,?????????????????????,????????
  ???,????????????????????

46
??

1. CPU????????,???????? (CISC)??????(RISC) ??,??????
2. ??????????????
3. ???????/??????????
4. ???????????????(capture, compare, PWM,
   CCP)????????
5. ????????????,?????
6. ?????(simulation)???(emulation)??,???