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参数资料
| 型号： | HB28H016RM2 |
| 英文描述： | IC Memory CompactFlash /PC-ATA Standard Users Manual/Device |
| 中文描述： | 集成电路记忆的CompactFlash / PC的ATA标准用户手册/设备 |
| 文件页数： | 65/103页 |
| 文件大小： | 466K |
| 代理商： | HB28H016RM2 |
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59
Register Name:
Pin Replacement
Address:
Use:
204h in attribute memory
Indicates the card status.
Operation
D7
D6
D5
D4
D3
D2
D1
D0
Read
0
0
CRdy/-Bsy CWProt
0
0
Rdy/-Bsy
RWProt
Write
0
0
CRdy/-Bsy CWProt
0
0
MRdy/-Bsy MWProt
Rdy/-Bsy:
The host can identify the Rdy/-Bsy state by reading the state of this bit.
In I/O access mode, in particular, the Rdy/-Bsy bit is replaced by the IREQ pin,
but in this case too, the Rdy/-Bsy state can be identified by means of this bit.
CRdy/-Bsy:
When the Rdy/-Bsy bit changes, the card sets this bit to 1.
This bit can be modified by the host.
RWProt:
Indicates whether the card is in the write-protect state.
Hitachi cards do not support a write-protect function, so this bit is always cleared
to 0. Support for this function is not included in the CompactFlash standards,
either.
CWProt:
When the RWProt bit changes, the card sets this bit to 1. Since the RWProt bit is
never used, this bit is always 0.
This bit can be modified by the host.
MRdy/-Bsy:
Functions as a mask for write information to the CRdy/-Bsy bit. See the table
below.
MWProt:
Functions as a mask for write information to the CWProt bit. See the table
below.
Written by Host
Initial Value of (C) Status
“C” Bit
“M” Bit
Final “C” Bit
Command
0
×
×
0
0
Unchanged
1
0
1
Unchanged
×
×
0
1
0
Cleared by host
1
1
1
Set by host
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| HB28B064A8H | Q&A on Hitachi CF and ATA Card Application Notes/Q&A |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HB2A102K-S265B | 制造商:Hitano Enterprise Corp 功能描述:Bulk |
| HB2A102K-S565B | 制造商:Hitano Enterprise Corp 功能描述:Bulk |
| HB2A103K-S565B | 制造商:Hitano Enterprise Corp 功能描述: |
| HB2A122K-S265B | 制造商:Hitano Enterprise Corp 功能描述: |
| HB2A122K-S565B | 制造商:Hitano Enterprise Corp 功能描述:Bulk |
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