???????? ???? ???????, ???

1
?????? ????????????? ???????????? ?????????????
???????????????? ??????? ????????
????????????????? ??????-?????????????? ??????
???????? ????

• ???????? ???? ???????, ??? ????

2
??????????

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

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

• ???????? ??????????? ???????? Intel
• ????????? ????? ???????? ???????????? ???????? ?
  ??????????? ????????? ????

4
????????????? ?????? ???????????????

1. ??????????? ?? ??????????????, ????????? ??
   ?????????? ??????? ( GPS ?????????? MCC, ????
   SpaceWire)
2. ????????? ?? ??????????????, ??????????? ??
   ?????????? ??????? (?????????? ????????????????
   ?????????? AXI_Inter??nnect, ???? ??????? ??????
   MPORT)
3. ????????? ? ?? ??????????????, ? ?? ??????????
   ??????? (??????????? ???????? ????????? ????????
   DSP, ??????????????????? ??????????????
   ???????????????? ???? MFBSP)\
4. ??????????? ? ?? ??????????????, ? ?? ??????????
   ???????. ????????????? ???????????
   ???????????????? ???? UART, ???? ?????
   ?????/??????)

5
???????? ???????????

• - ?? ??????????????
• T ??????????? ???? gt T ??????? ?????????????
• - ?? ???????
• 1) ?? ?????????????? ?????????? ?? ??????????
• 2) ?? ???????, ??? A ???.????. 0.7 ? ?????.

6
????? ????????????? ????????????? (clock gating)

• if(co) outltin
• ?????????? ??????? /-
• ?????????????? /-

7
????? ???????? ???????????? ????????? (Operand
Isolation)

• ?????????? ???????
• ?????????????? /

8
????? ??????????? ?????? ????????? ? ??
??????????? (gate level optimization)

• ?????????? ??????? /-
• ?????????????? /-

9
?????????? ????????? ????????? ? ?????????
????????? ??????????? (multi-Vth)
?????????? ??????? /- ?????????????? /-
10
?????????? ???????

• ??????? ??????
• Clock Gating
• Operand Isolation
• Gate Level Optimization
• Clock Gating ? Operand Isolation
• Clock Gating ? Gate Level Optimization
• Operand Isolation ? Gate Level Optimization
• Clock Gating, Operand Isolation ? Gate Level
  Optimization.
• ???????????? ???????? ??????????????
• Design Compiler, Power Compiler, Prime Power ??
  Synopsys

11
???????? ?????????? ??????????? ??????????
??????? ??? ?????, ?????????? ?? ?????????
?????????? ???????
12
???????? ?????????? ??????????? ??????????
??????? ??? ?????, ?????????? ?? ?????????
?????????????? (90?? ? ????)
13
???????????? ????????, ???????? ?? ???????????
????, ?????????? ??????? ????? MPORT (250??)
1)??????????? ?? ??????????????, ????????? ??
???????
14
???????????? ????????, ???????? ?? ???????????
????, ?????????? ??????? ????? MPORT (250??)
2)????????? ?? ??????????????, ??????????? ??
???????3)????????? ?? ??????????????, ?????????
?? ???????
15
????????, ???????? ?? ??????????? ????,
?????????? ??????? ????? MPORT ( 90?? )
1)??????????? ?? ??????????????, ????????? ??
???????
16
????????, ???????? ?? ??????????? ????,
?????????? ??????? ????? MPORT (90??)
2)????????? ?? ??????????????, ??????????? ??
???????3)????????? ?? ??????????????, ?????????
?? ???????
17
??????????

• ???????? ?????? ? ?????????? ????????????? ??????
  ??????????????? ?? ????????? ???????????
  ?????????????? ? ?????????? ???????.
• ??????????? ??????? ??????? clock gating, operand
  isolation, gate level optimization, multi-Vth ??
  ???????? ????????? ?????? ???????????????.
• ??????????? ???????? ? ????????? ??????
  ??????????? ?????????? ??????? ??? ?????? ?????
  ?????? ?? ????????? ????????? ??????.