| JMF602 ec d7 55 b6 8×2 |

Layout
JMF603 526
Mix
Input
Order 8/6/12/2/4/0/14/10/9/7/13/3/5/1/15/11
Join by Page
Parts 8
Page 0x200
Block Pair
Block 0x400000
Page 0x8000
Join by Page
Parts 2
Page 0x10000
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x2000
Banks 00 / 0x000 / 0x1000
Actions
Scan
Comments
by Karol
perfect recovery!
| JMF602 ec d7 55 b6 16×2 |
Layout
JMF603 526
Mix
Input
Order 22/26/20/24/30/28/18/16/23/27/21/25/31/29/19/17/14/2/12/0/6/4/10/8/15
/3/13/1/7/5/11/9
Join by Page
Parts 8
Page 0x200
Block Pair
Block 0x400000
Page 0x8000
Join by Page
Parts 2
Page 0x10000
Join by Dump
Parts 2
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x2000
Banks
0 / 0 / 0x2000
Actions
Scan
Comments
| JMF602 ec d7 55 b6 16×4 |
Layout
JMF603 526
Mix
Input
Order 12/0/52/56/4/60/8/48/13/1/53/57/5/61/9/49/28/16/36/40/20/44/24/32/29/
17/37/41/21/45/25/33/14/2/54/58/6/62/10/50/15/3/55/59/7/63/11/51/30/18/38/42/22
/46/26/34/31/19/39/43/23/47/27/35
Join by Page
Parts 8
Page 0x200
Block Pair
Block 0x400000
Page 0x8000
Join by Page
Parts 2
Page 0x10000
Join by Page
Parts 2
Page 0x1000000
Join by Dump
Parts 2
Cross Block
Field Block Number
Block 0x1000000
Parts 2
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x400000
Mix
2 / 0x200
Actions
Scan
Find Bank Size
| JMF602 ec d7 55 b6 16×4 v2 |

Layout
JMF603 526
Mix
Input
Order 28/4/24/0/12/8/20/16/29/5/25/1/13/9/21/17/44/52/40/48/60/56/36/32/45/
53/41/49/61/57/37/33/30/6/26/2/14/10/22/18/31/7/27/3/15/11/23/19/46/54/42/50/62
/58/38/34/47/55/43/51/63/59/39/35
Join by Page
Parts 8
Page 0x200
Block Pair
Block 0x400000
Page 0x8000
Join by Page
Parts 2
Page 0x10000
Join by Page
Parts 2
Page 0x1000000
Join by Dump
Parts 2
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x400000
Actions
Scan
Find Bank Size
Comments
by Karol
perfect recovery!
常见问题解答
JMF602的布局参数中,8×2和16×2配置有何不同?
JMF602的8×2配置使用8个闪存通道,输入顺序为8/6/12/2/4/0/14/10/9/7/13/3/5/1/15/11,页大小为0x200,块对大小为0x400000。16×2配置使用16个通道,输入顺序更长,页大小为0x20,块对大小不同。两者都基于JMF603 526布局,但通道数和数据交织方式不同,影响恢复时的数据重组逻辑。
如何理解JMF602中的“Join by Page Parts”参数?
“Join by Page Parts”表示在数据恢复时,需要按页的部分进行拼接。例如,8×2配置中,Join by Page Parts 8 Page 0x200,意味着每8个页部分(每个0x200字节)拼接成一个完整页。而16×2配置中,Join by Page Parts 2 Page 0x20,表示每2个页部分(每个0x20字节)拼接。这一参数直接决定了读取闪存时如何合并数据块。
JMF602的Bank Space和Banks参数在恢复中起什么作用?
JMF602的Bank Space为0x2000,Banks为00 / 0x000 / 0x1000,这表示闪存芯片内部的存储体划分。Bank Space定义了每个bank的地址空间大小,而Banks列出实际使用的bank地址。在数据恢复时,需要根据这些参数正确映射物理地址到逻辑地址,否则会导致数据错位。Karol的注释显示,这些参数配置下可以实现完美恢复。