參數(shù)資料
型號: flas00xx
廠商: SIEMENS AG
英文描述: MultiMediaCard(多媒體卡)
中文描述: 多媒體卡(多媒體卡)
文件頁數(shù): 30/79頁
文件大小: 516K
代理商: FLAS00XX
MultiMediaCard Flash
Preliminary MultiMediaCard Product Manual;
1998 SANDISK CORPORATION
Page 30 of 79
Table 4-5 CSD Register
Name
Width
[bits]
Cell
Type
CSD-slice
CSD
Value
CSD
Code
Model
Dep.
CSD Structure
2
R
[127:126]
V1.1
1
MultiMediaCard Protocol Version
4
R
[125:122]
V1.4
1
Reserved
2
R
[121:120]
0
0
Data Read Access-Time-1
8
R
[119:112]
1.5ms
0x26
Data Read Access-Time-2 in CLK Cycles
(NSAC*100)
8
R
[111:104]
0
0
Max. Data Transfer Rate
8
R
[103:96]
20MHZ
0x2a
Card Command Classes
12
R
[95:84]
All but I/O
0x1ff
Max. Read Data Block Length
4
R
[83:80]
512
9
Partial Blocks for Read Allowed
1
R
[79:79]
Yes
1
Write Block Misalignment
1
R
[78:78]
No
0
Read Block Misalignment
1
R
[77:77]
No
0
DSR Implemented
1
R
[76:76]
No
0
Reserved
2
R
[75:74]
0
0
Device Size
12
R
[73:62]
1967
0x7b0
*
Max. Read Current @V
DD
Min.
3
R
[61:59]
25mA
4
Max. Read Current @V
DD
Max.
3
R
[58:56]
35mA
4
Max. Write Current @V
DD
Min.
3
R
[55:53]
35mA
5
Max. Write Current @V
DD
Max.
3
R
[52:50]
45mA
5
Device Size Multiplier
3
R
[49:47]
4
0
*
Erase Sector Size
5
R
[46:42]
1
0
Erase Group Size
5
R
[41:37]
16
0xf
Write Protect Group Size
5
R
[36:32]
32
0x1f
Write Protect Group Enable
1
R
[31:31]
Yes
1
Manufacturer Default ECC
2
R
30:29
None
0
Read to Write Speed Factor
3
R
[28:26]
1:16
4
Max. Write Data Block Length
4
R
[25:22]
512
9
Partial Blocks for Write Allowed
1
R
[21:21]
No
0
Reserved
5
R
[20:16]
0
0
Reserved
1
R/W
[15:15]
0
0
Copy Flag (OTP)
1
R/W
[14:14]
Copy
1
Permanent Write Protection
1
R/W
[13:13]
No
0
Temporary Write Protection
1
R/W/E
[12:12]
No
0
Reserved
2
R/W
[11:10]
0
0
ECC Code
2
R/W/E
[9:8]
None
0
CRC
7
R/W/E
[7:1]
TDB
TDB
Not Used, Always ‘1’
1
-
[0:0]
1
1
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