MicrosoftexFat规范说明.pdf

ExFat

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目录 
 exFAT vs. FAT32 Comparison ............................................................................................. 2 
 Volume Layout .................................................................................................................. 3 
 Boot Sector ........................................................................................................................ 5 
 OEM Parameters ............................................................................................................... 8 
 File Allocation Table (FAT) ................................................................................................ 10 
 Allocation Bitmap ............................................................................................................ 12 
 Up-case Table .................................................................................................................. 13 
1 Mandatory First 128 Up-case Table Entries .................................................. 14 
2 Mandatory First 128 Up-case Table Entries in compressed format ........ 14 
 Directory Structure .......................................................................................................... 16 
1. Generic Directory Entry Template .................................................................................... 16 
2. Generic Primary Directory Entry Template ...................................................................... 17 
3    Generic Secondary Directory Entry Template ................................................................ 18 
4 Defined Directory Entries .................................................................................................. 19 
5 Allocation Bitmap Directory Entry ..................................................................................... 19 
6 Up-Case Table Directory Entry .......................................................................................... 20 
7 Volume Label Directory Entry ........................................................................................... 21 
8 File Directory Entry ............................................................................................................ 21 
 Timestamp Format .......................................................................................................... 23 
 Volume GUID Directory Entry ..................................................................................... 25 
1 TexFAT Padding Directory Entry ........................................................................... 25 
2 Windows CE Access Control Table Directory Entry ........................................... 25 
3 Stream Extension Directory Entry......................................................................... 25 
4 File Name Directory Entry ...................................................................................... 27 
 Invalid File Name Characters ....................................................................................... 28 
 
   