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2017408

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2017408

VIP

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1

1

" " " " " "

2

2 61KB 0

1237317822115121

1237=1024+213, 1237121312, 2213

31

2

57

3

1CPU

CPU CPU

2

3

n n n

4

MPS

4

1

2

5

1

:

2

6

7 ?

1

2

112332, 134, 2342

EDF

8

1

0S 0S

2

9 DMA

DMA CPU CR MAR DC DMA I/ODMA CPU DMA DMA