DSP

1
DSP
2
????? ?????

• ???? ?????? ????????? ?????? ?????????? ??????
  ????? ???????
• ???? ?-ADSP-21061 ?????? ??????.

3
DSP ????? ???? ????

• ??????? ??????? ???????
• ??????
• ????
• ????? ????
• ?????? ?????? Real-Time.

4
??????? DSP

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

5
???? ????? ??? ??? (Real Time)

• ????? ??? ??? (Real-Time) ?????? ?????, ??? ?????
  ??????
• Real-Time ??? ???? ?????, ?? ?? ????? (task)
  ?????? ?????? ??????? ?????? ????? ?? ??????.

6
???? ????? ??? ??? (Real Time)

• ??????? ????? ??? ???
• ????? ?????
• ????? ????? ?????? ??????? ???????? ????.
• ???? ??? ??????
• ????? Off-line ??? ?? ???? ???? ?????? ??????.

7
???? ????? ??? ??? (Real Time)

• ??? ???????? ??????? ?????? ?-Real-time
• ?????? Interrupts
• ????? ???? (?????? ?? ?????) ?????? ???????
  ?????? Real-Time
• ????? Polling
• ????? ?????? ?????? Real-Time

8
??????????? DSP
9
???? ADSP-21061
10
????? ??????????/?????? ALU Arithmetic/Logic
Unit

• ????? ?? ???????
• ?????? ?????,?????,?????.
• ???????? ??? ?????,min/max, ??????
• ????????? ????????? AND, OR, XOR, NOT

11
????? ???? ????? MAC Multiplier/Accumulator Unit

• ????? ?? ???????
• ???
• ??? ????

12
????? ????? Shifter

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

13
??????? ???????? Register File

• ????? ??? ???? ????? ?????? ??????? ??????
• 16 ?????? ?? 40 ?????? 16 ??????

14
?????? Memory

• 1Mb ?????? ????? 32b, 16b ?? 48b
• ???? ???? ?????? ?????? ???? Dual-Ported

15
???? ??????? Program Sequencing

• ????? ??????
• ????? ??????????
• ????? ????? do-until

16
?????? ??????

• ?????? Interrupts
• ???? ????? ??????? DMA
• ????? ???? Serial Port

17
?????? ?-DSP

• ???? ??????? ?????
• MIPS (Million Integer Per Second)
• MFLOPS (Million Floating-point Per Second)
• ADSP-21061 ???? 40MIPS/MFLOPS

18
???? ????? ????? DSP
19
????? ??????

• MATLAB Real-time ?? Simulink
• C
• ??????

20
C ?? ??????

• ??????
• ???? ???? ???? ?????
• ??? ??????
• ??? ??????
• ??? ????? ????
• ???? ????? ?????
• ?????? ???????? - ????? ????? ??????

• C
• ???? ???? ???? ???? ?????
• ?? ??????
• ?? ??????
• ??? ????? ???
• ???? ????? ?????
• ?????? ?????? - ????? ?????? ????????????

21
?? ??????

• ???? ?????? ???????? ?????? ???????
• ???? ???? (?????????) ?????? ?-C
• ????? ????????? ??-??? ???? ????? ???????

22
???? ????? ????????? EZ-KIT Lite