參數(shù)資料
型號: 935242220557
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP208
封裝: PLASTIC, SOT-316, SQFP-208
文件頁數(shù): 71/148頁
文件大?。?/td> 692K
代理商: 935242220557
1998 Apr 09
29
Philips Semiconductors
Product specication
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Fig.6 Memory Management Unit (MMU).
handbook, full pagewidth
MGG261
00001000H
Page table
Physical memory
(4 kbyte pages)
DMA ADDRESS
PAGE
ADDRESS
ME
(Mapping Enable)
PHYSICAL PCI ADDRESS
PAGE TABLE
ENTRY ADDRESS
PAGE TABLE
BASE ADDRESS
(00006H)
00000H
00007H
0000FH
00017 H
0001FH
015H
000H
007H
00008000H
00009000H
0000A000H
0000D000H
00011000H
00014000H
00016000H
0001E000H
= allocated memory space
= page table
2
32
12
20
'0'
20
10
12
10
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