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【USB Flash】PS2231 [复制链接]

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发表于 2011-11-9 12:37:44 |只看该作者 |倒序浏览
TASK INFO:  
Flash device type :  USB Flash
Controller marking :  PS2231
Number of memory chips :  4
Number of parts :  2
Memory chip marking :  JS29F32G08FAMC1
Memory chip ID :  0x89D7D53E
Capacity(Mb) :  32768

本帖最后由 ACE技术支持2 于 2017-1-18 15:31 编辑

ILLUSTRATIONS


Variant 1 Author: pad-dataservice [17]

Results of preparation:
0123
Initial memory chips (4)
01234567
Parts of memory chips (8)
01234567
Copy in preparation results

01234567
Bitwise Inversion (Apply for DA)

13570246
Change order (New order 1,3,5,7,0,2,4,6)

0123
Join by block for pairs (Block Size 1)

01234567
Split by block (Block Size 2048)

0123
Join by block for pairs (Block Size 16)

01
Join by block for pairs (Block Size 32)

0
Join by dump


Algorithm of analysis:
0
Block Number Type 1 [0000]
Marker Pos514
Block Size8192
Start analize0
Mask0x0FFF
ID1234
Full BlockNO


Page size transformation

Solution file

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