【USB Flash】PS2251 -50xxx (Chinese import no brand stick) [复制链接]

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发表于 2011-11-9 12:37:05 |只看该作者 |倒序浏览

TASK INFO:

Flash device type	: USB Flash
Controller marking	: PS2251 -50xxx (Chinese import no brand stick)
Number of memory chips	: 1
Number of parts	: 1
Memory chip marking	: HY27UBG8T2ATR
Memory chip ID	: 0xADD7949A
Capacity(Mb)	: 4096

本帖最后由 82628688 于 2017-1-16 14:39 编辑

【ILLUSTRATIONS】

Variant 1 Author: KuttingEdge [120]

Results of preparation:

Initial memory chips (1)

Add To Graph

Page XOR transformation (ID_XOR 40)

Page size transformation

Split by block (Block Size 4096)

Join by block for pairs (Block Size 16)

Algorithm of analysis:

Translator Type 25 [Phison PS2251 50-F]

Block Size

8192

【Page size transformation】
Page size 8640
Sector size 562
Structure
0-512;1024-50;
512-512;1024-50;
1074-512;1024-50;
1586-512;1024-50;
2144-512;1024-50;
2656-512;1024-50;
3214-512;1024-50;
3726-512;1024-50;
4284-512;1024-50;
4796-512;1024-50;
5354-512;1024-50;
5866-512;1024-50;
6424-512;1024-50;
6936-512;1024-50;
7494-512;1024-50;
8006-512;1024-50;

【Solution file】

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