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MPC821 датащи(PDF) 24 Page - NXP Semiconductors

номер детали MPC821
подробное описание детали  Design Specification
PDF  242 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

MPC821 датащи(HTML) 24 Page - NXP Semiconductors

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OPERATING INSTRUCTIONS
MPC8XXFADS Design Specification—Rev 0.1
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
TABLE 3-5. UPMA Initializations for 60nsec EDO DRAMs @ 50MHz
Cycle Type
Single Read
Burst Read
Single Write
Burst Write
Refresh
Exception
Offset in UPM
0
8
18
20
30
3C
Contents
@ Offset +
0
8FFBEC24
8FFFEC24
8FFFCC24
8FFFCC24
C0FFCC84
33FFCC07
1
0FF3EC04
0FFBEC04
0FEFCC04
0FEFCC04
00FFCC04
X
2
0CF3EC04
0CF3EC04
0CAFCC00
0CAFCC00
07FFCC04
X
3
00F3EC04
00F3EC0C
11BFCC47
03AFCC4C
3FFFCC06
X
4
00F3EC00
0CF3EC00
X
0CAFCC00
FFFFCC85
5
37F7EC47
00F3EC4C
X
03AFCC4C
FFFFCC05
6
X
0CF3EC00
X
0CAFCC00
X
7
X
00F3EC4C
X
03AFCC4C
X
8
0CF3EC00
0CAFCC00
X
9
00F3EC44
33BFCC4F
X
A
03F3EC00
XX
B
3FF7EC47
XX
C
X
X
D
X
X
E
X
X
F
X
X
TABLE 3-6. Memory Controller Initializations For 20Mhz
Register
Device Type
Init Value [hex]
Description
BR0
All
Flash
SIMMs
supported.
02200001
Base at 2200000, 32 bit port size, no parity, GPCM
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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