參數(shù)資料
型號: SDCFBI-30-101
廠商: SANDISK CORP
元件分類: 存儲(chǔ)控制器/管理單元
英文描述: FLASH MEMORY DRIVE CONTROLLER, XMA50
封裝: PC CARD-50
文件頁數(shù): 75/124頁
文件大小: 769K
代理商: SDCFBI-30-101
CompactFlash Memory Card Product Manual
SanDisk CompactFlash Memory Card Product Manual 1999 SANDISK CORPORATION
54
5.5.2
Error Register (Address - 1F1[171];
Offset 1, 0Dh Read Only)
This register contains additional
information
about the source of an error when an error is
indicated in bit 0 of the Status register. The bits
are defined as follows:
D7
D6
D5
D4
D3
D2
D1
D0
BBK
UNC
0
IDNF
0
ABRT
0
AMNF
This register is also accessed on data bits D15-D8
during a write operation to offset 0 with -CE2 low
and -CE1 high.
Bit 7 (BBK)
This bit is set when a Bad Block is detected.
Bit 6 (UNC)
This bit is set when an Uncorrectable Error is encountered.
Bit 5
This bit is 0.
Bit 4 (IDNF)
The requested sector ID is in error or cannot be found.
Bit 3
This bit is 0.
Bit 2 (Abort)
This bit is set if the command has been aborted because of a CompactFlash Memory Card status
condition: (Not Ready, Write Fault, etc.) or when an invalid command has been issued.
Bit 1
This bit is 0.
Bit 0 (AMNF)
This bit is set in case of a general error.
5.5.3
Feature Register (Address - 1F1[171];
Offset 1, 0Dh Write Only)
This register provides information regarding
features of the CompactFlash Memory Card that
the host can utilize. This register is also accessed
on data bits D15-D8 during a write operation to
Offset 0 with -CE2 low and -CE1 high.
5.5.4
Sector Count Register
(Address - 1F2[172]; Offset 2)
This register contains the number of sectors of data
requested to be transferred on a read or write
operation
between
the
host
and
t h e
CompactFlash Memory Card. If the value in this
register is zero, a count of 256 sectors is specified.
If the command was successful, this register is zero
at
command completion.
If
not
successfully
completed, the register contains the number of
sectors that need to be transferred in order to
complete the request.
5.5.5
Sector Number (LBA 7-0) Register
(Address - 1F3[173]; Offset 3)
This register contains the starting sector number or
bits 7-0 of the Logical Block Address (LBA) for
any CompactFlash Memory Card data access for
the subsequent command.
5.5.6
Cylinder Low (LBA 15-8) Register
(Address - 1F4[174]; Offset 4)
This register contains the low order 8 bits of t h e
starting cylinder address or bits 15-8 of t h e
Logical Block Address.
5.5.7
Cylinder High (LBA 23-16) Register
(Address - 1F5[175]; Offset 5)
This register contains the high order bits of t h e
starting cylinder address or bits 23-16 of t h e
Logical Block Address.
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