Microcontroller

1
????????????????? (Microcontroller)

• ????????????????? ??? ?????????????????????????
  ????????????????????????????????? ?
  ???????????????????? ???? ?????????????????
  (Central Processing Unit CPU)
  ??????????????????????????????? (Arithmatic Logic
  Unit ALU) ????????????????? (Oscillator)
  ??????????? (Memory ROM, RAM)
  ??????????????????????????????????????? (I/O
  Port)

2
(No Transcript)
3
(No Transcript)
4
PIC ???????

• PIC ??? microcontroller ??????????????
  ????????????? Peripheral Interface Controller
  ???? concept ??????? microcontroller
  ?????????????? ???????????????????????????????????
  ?????????????? PROGRAM MEMROY, RAM, EEPROM,
  SERIAL, I2C, PWM, A/D ??? ????????????????????????
  ???????????????? ???????? PIC ????????????????????
  ??????????? ?????????????????? ???????????????????
  ?? CPU ????????????????

5
?????? 1 ???????????????Microcontroller
6
????????????????????????????????? Microcontoller

• ?????????????????????????????????
  Microcontoller (??????????????????????? MCU)
  ??????????????????????????????????????????????????
  ???????????? ???????????????
• ???????????????? C, Basic ?????????????????,
  ???????????????? ????????????????????
  ????????????????????????????? ????????????????????
  ?????????
• ???????????? ????????? ???? Assembly ???????? ???
  compiler ?????? ?????????????????? compiled
  ?????????????? ?????????????????
  ??????????????????????? ??????????????????????????
  ???????? ???????????????????

7
????????????????????? Microcontroller
???????????????????

• 1. ????????????? Assembly ??? ?????????
  ?????????????????? Compile ???? Assembler ??? MCU
  ??????? ????????????????? Chip MCU
  ??????????????? ?????? Assembler ???Microchip
  ????? MPASM ??????????????????????????????????????
  ??????????????? Hex file

8

• 2. ??????? Assembly ??????? ????????????????
  ???? ??????????????? Compile ?????????????????????
  Object files ?????????????????? Linker
  ?????????? link ?????? script file ??? MCU
  ?????????? ?????? ???????????? Link ???????????
  Hex file ?????

9

• 3. ??????????????????? ????????? C, Basic ???
  ????????????????????? ???? assembly
  ????????????????????????????????? Object files
  ??? Assmbler ?????????? Assembly ??? Compiled ???
  Compiler ????????????? ????? Link ???????????????
  Linker ???????????? Link ??????????????? Library
  ???????????????????????????????????????
  ???????????????????? Hex file

10

• ?????????? Hex file ?????? ?????????????????????
  ???????? chip ???????????????????
  ????????????????????? ?? Software ?????????????
  ??????????????????????????? ????? ???? ??
  ??????????????????????????? programmer ????
  serial, parallel ?????????????????????????????????
  ???????????? ??????????????????? chip
  ?????????????????????????????????????????

11
?????? 2 ???????????????????????????? PIC
12
MPASM http//www.thaimcu.com/article/getstart/www.
microchip.com
???? Assembler ???????????? MICROCHIP
??????????????????????? ??????????????????????????
???????????????????????????? Assembly ????????
download ?????? web site ?????? MICROCHIP
????????????? MPLAB-IDE
13
MPLAB C17 ??? MPLAB C18
???? C compiler ?????????? MICROCHIP ??? support
?????????? PIC17XXX ??? PIC18XXX
????????????????????????????? ?????????? compiler
??????????????????????????????
14
HITECH-PIC C compilerhttp//www.hitech.com.au/
???? C compiler ??? HITECH ????????????????
compiler ??????????? assembly ???
(???????????????? assembly ???? code ??????????)
??????? software ??????????????????
????????????????????????
15
CCS C compilerhttp//www.ccsinfo.com/pice-referal
l.shtml
???? compiler ??????????????????????
???????????????????????????????????????
????????????? file ????????????????? code ???
compiled ?????????????????????????
????????????????? HI-TECH ??? CCS
????????????????
16
PBASIC Compilerhttp//www.picbasic.co.uk/

• ??????????????????? BASIC ??????????????
  ?????????????? ?????????? ????????? ?????????????
  ?????????????? compiled ?????????????????????? !!
  ????? chip ????????? ?????????????????????????????
  ??????? ???????? program ???????????????????????

17
PIC ?????????

• MCU ???????? PIC ???????????????????? PROGRAM
  MEMORY ??????????? 3 ??????
• OTP (one time programmable)
• EPROM (erasable programable ROM)
• EEPROM / Flash (electronically erasable
  programmable ROM)

18

• OTP ???? chip ?????????????????? ???????????
  ???????????????? chip ??? OTP ????????????????????
  ???????????????????????? ??????? chip
  ??????????????????????????????????????????????????
  ??? ??????? chip ?????????????????????????????????
  ??????????????????????????????? ?????????
  ???????????? ???????????????????????????????
  memory ?????????? ???????????? C ????????? chip
  ???? 16C84,16C74

19

• EPROM ???? chip ????? program memory
  ??????????????????????????????????????????????????
  ?????????????????????????? uV (ultra Violet)
  ????????????????? chip ?????? 5-10 ????
  ??????????????????? chip ?????????????????????????
  uV ????????????????????????? chip ???
  ??????????????????????????????????????
  ????????????????????? uV ???? ????????????????????
  ? ???????????????????????? ???????????? JW
  ???????????????????????????????? chip ???????

 
20

• EEPROM / Flash ???? chip ??????????????????????
  ??????? program memory ???????????????????????????
  ?????????? ???????????? ????????????????????
  ??????????? ???????????????????????????
  ???????????????????????? 3 ?????? ?????????? F
  ?????????? ???? 16F84,16F877

21
PIC ??????????

• ???????? MCU ??? PIC ???????????????
  ????????????????????? ?????????????????????
  ???????????????? ?????????????????????????????????
  ????????????? ????????????? 6 ????? ??????
• PIC12CXXX, PIC12FXXX (FLASH MCUs)
• PIC16C5X
• PIC16CXXX
• PIC17CXXX
• PIC16FXXX (FLASH MCUs)
• PIC18CXXX, PIC18FXXX (FLASH MCUs)

22

• PIC16C5X - ?????????????? assembly 33 ??????-
  ?? I/O, Timer, Watch dog- ?? feature ????????
  ??????? I2C ???? SERIAL ????????? chip
  ???????????????? ? ??? microchip
• ????????????????????????????????????
  ??????????? OTP ??? EPROM feature ???????? I2C
  ???? USART ?????????????????????????????????
  Microchip ????????????????????????????????????????
  ????? PIC16CXXX

23

• PIC16CXXX- ?????????????? assembly 35 ??????
• - ?? I/O, ?? Timer ??????? 1 ???, Watch dog,
  I2C, USART, SPI, PWM- ??????? feature
  ???????????????? ???????? interface
  ?????????????????????????????
• ??????? feature ??????? ???? I2C, USART, PWM
  ??????????????????????????????????
  ????????????????????????? PIC12CXXX ?????
  ???????? pic ?????????? 8 ?? ?????????????????????
  ? ???????????? OSC ???? 4 MHz ????? ????? DATA
  memory ????????????? EEPROM ?????????????
  ???????????? PROGRAM memory ??????? OTP ??? EPROM
  ???? ??????????? PIC12FXXX ??????????????????????
  PIC ?????? PIC16FXXX ??????

24

• PIC12CXXX ??? PIC12FXXX - ?? 8 ??-
  ?????????????? assembly ??????? 33 ???? 35
  ??????- ?? I/O, Timer, Watch dog- ??????????
  internal EEPROM- ???? 4MHz oscillator
  ???????????? chip ??? ?????????????????
  oscillator ?????? ( ??????????????????????????????
  ??????????????? Crystal oscillator ??????)
• PIC16CXXX ??? PIC17CXXX ????????????? ???
  ???????????????? PIC17CXXX ???????????????????????
  ??? ?????????? assembly ??????? ??????????????
  PROGRAM memory ??????????????????????? PIC16CXXX
  ???????????? memory ???????????

25

• PIC17CXXX- ?????????????? assembly 58 ??????
  ??????????? ??? ???- ???????????? program memory
  ?????? ????????????? 64K x 16 Program memory- ??
  I/O, ?? Timer ??????? 1 ???, Watch dog, I2C,
  USART, SPI, PWM
• PIC16F8XXX ???? PIC ????????????????????
  ????????????????????? chip ??????? ????? PROGRAM
  MEMORY ??????? FLASH ????? DATA MEMORY ???????
  EEPROM ??????????????? ?????????? PROGRAM CHIP
  ?????????????????? ???????????? In Circuit
  Debugger ?????????????? ?????????????????
  Emulator ????????????????????

26

• PIC16F8XXX (FLASH MCUs)- ?????????????? assembly
  35 ??????- ?? I/O, ?? Timer ??????? 1 ???, Watch
  dog, I2C, USART, SPI, PWM- ?? A/D ???? 10 bits-
  ?? Program memroy ??? Flash ??????????????????????
  ???????- ?? EEPROM ?????- ???????? 16F87X
  ???????? In Circuit Debugger (ICD)
• ?????????? program memory ???????????? page
  ???????????????????? PIC18CXXX ???? PROGRAM
  MEMORY ?????????????? page ????????
  ?????????????? ASSEMBLY ???? 77 ??????
  ???????????????? PROGRAM MEMORY
  ????????????????????????? ??????????????????? C
  ???????????????????? PIC18FXXX ????? ???????? ICD2

27

• PIC18CXXX, PIC18FXXX (FLASH MCUs)-
  ?????????????? assembly 77 ??????- ?? I/O, ??
  Timer ??????? 1 ???, Watch dog, I2C, USART, SPI,
  PWM, CAN- ?? A/D ???? 10 bits- ????????????
  program memory ?????? ????????????? 64K x 16 -
  ?? Program memroy ??????? Flash - ????????
  18FXXX ?? EEPROM ?????- ???????? 18FXXX ????????
  In Circuit Debugging (ICD)

28
TYPES OF OSCILLATOR
MCU ???????? PIC ??????????? oscillator
????????????????????????????? ?????? oscillator
????? PIC ???????????? RC oscillator
??????????????? 4 MHz ??? Vdd5 V ??????????? 25
???????????? ??????????????????? ????????
oscillator ?????? RC ?????????????????????????????
??
29

• 1. CERAMIC RESONATOR ???????????????????????????
  ????? ?????? ERROR ??? ?????????????????
  ?????????????????????????????? OSCILLATOR
  ?????????????????????? ????????? C ?????????????
  ??????????????? GND ?????????????????? CLKIN ???
  CLKOUT.
• 2. QUARTZ CRYSTAL OSCILLATOR ???????????????????
  ??????? ????? crystal ??????????????????????
  ????????????? ???????? capacitor ????? GND
  ???????????? ?????? ?????????????????????? CLKIN
  ??? CLKOUT ??????????????? CERAMIC RESONATOR
  ????????????????????????????????????????

30

• 3. TTL CRYSTAL SQUAR-WAVE OSCILLATOR ???
  oscillator ????? crystal ?????????????????????????
  ????????? ??????????????????????????????????
  ?????????????? ??????????????? ?? 14 ??? 5V, ?? 7
  ??? GND, ?? 8 ?????? CLK IN ?????? ???????????,
  ?? CLKOUT ??? PIC ????????????