參數(shù)資料
型號: XCCACE256-I
廠商: Xilinx Inc
文件頁數(shù): 27/69頁
文件大?。?/td> 0K
描述: IC 256MBIT ACE FLASH CARD
標準包裝: 1
存儲容量: 256Mb
存儲器類型: FLASH
System ACE CompactFlash Solution
DS080 (v3.0) April 7, 2014
33
Product Specification
R
— OBSOLETE — OBSOLETE — OBSOLETE — OBSOLETE —
FATSTATREG Register (BYTE address 1Ch-1Dh, WORD address 0Eh)
The FATSTATREG register contains information about the first valid partition of the CompactFlash device such as the boot
record and FAT types found. Table 18 provides a description of the FATSTATREG register bits.
Table 18: FATSTATREG Register Bit Descriptions
Bit
Name
Description
0
MBRVALID
Master boot record (MBR) valid flag:
0 means no MBR was detected
1 means a valid MBR was found
1
PBRVALID
Partition boot record (PBR) valid flag:
0 means no PBR was detected
1 means a valid PBR was found
2
MBRFAT12
Master boot record (MBR) FAT12 flag:
0 means FAT12 flag is not set in MBR
1 means FAT12 flag is set in MBR
3
PBRFAT12
Partition boot record (PBR) FAT12 flag:
0 means FAT12 flag is not set in PBR
1 means FAT12 flag is set in PBR
4
MBRFAT16
Master boot record (MBR) FAT16 flag:
0 means FAT16 flag is not set in MBR
1 means FAT16 flag is set in MBR
5
PBRFAT16
Partition boot record (PBR) FAT16 flag:
0 means FAT16 flag is not set in PBR
1 means FAT16 flag is set in PBR
6
CALCFAT12
Calculated FAT12 flag (based on cluster count):
0 means not FAT12 (cluster count > 4085)
1 means FAT12 (cluster count < 4085)
7
CALCFAT16
Calculated FAT12 flag (based on cluster count):
0 means not FAT16 (cluster count > 65525)
1 means FAT16 (4085 < cluster count < 65535)
8
--
Reserved
9
--
Reserved
10
--
Reserved
11
--
Reserved
12
--
Reserved
13
--
Reserved
14
--
Reserved
15
--
Reserved
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