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参数资料
| 型号： | SFCF2048H2BU2TO-I-MS-517-STD |
| 厂商： | Swissbit NA Inc |
| 文件页数： | 78/102页 |
| 文件大小： | 0K |
| 描述： | FLASH SLC UDMA/MDMA/PIO 2GB |
| 标准包装： | 1 |
| 系列： | C-440 |
| 存储容量： | 2GB |
| 存储器类型： | CompactFlash? |
| 其它名称： | 1052-1094 |
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Table 87: Security Set Passwor d
Task File Register
7
6
5
4
3
2
1
0
COMMAND
F1h
DRIVE/HEAD
1
LBA
1
D
nu
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
Table 88: Security Set Password Data Content
nu
nu
nu
nu
nu
Word
0
1-16
17-255
Content
Control word
Bit 0: identifier
0=set User password
1=set Master password
Bit 1-7: Reserved
Bit 8: Security level
0=High
1=Maximum
Bits 9-15: Reserved
Password (32 bytes)
Reserved
Table 89: Identifier and Security Level Bit Interaction
Identifier Level
Command result
User
User
Master
High
Maximum
High or
Maximum
The password supplied with the command shall be saved as the new User password. The lock mode
shall be enabled from the next power-on or hardware reset. The CF card shall then be unlocked by
either the User password or the previously set Master password.
The password supplied with the command shall be saved as the new User password. The lock mode
shall be enabled from the next power-on or hardware reset. The CF card shall then be unlocked by
only the User password.
The Master password previously set is still stored in the CF card shall not be used to unlock the CF
card.
This combination shall set a Master password but shall not enable or disable the Lock mode. The
security level is not changed.
10.30 Security Unlock (F2h)
This command requests transfer of a single sector of data from the host. Table 83 defines the content of this
sector of information. If the identifier bit is set to Master and the device is in high security level, then the
password supplied shall be compared with the stored Master password. If the device is in the maximum security
level, then the unlock command shall be rejected. If the identifier bit is set to user, then the device compares the
supplied password with the stored User password. If the password compare fails then the device returns
command aborted to the host and decrements the unlock counter. This counter is initially set to five and is
decremented for each password mismatch when Security Unlock is issued and the device is locked. Once this
counter reaches zero, the Security Unlock and Security Erase Unit commands are command aborted until after a
power-on reset or a hardware reset is received. Security Unlock commands issued when the device is unlocked
have no effect on the unlock counter.
Table 90: Security Unlock
Task File Register
7
6
5
4
3
2
1
0
COMMAND
F2h
DRIVE/HEAD
1
LBA
1
D
nu
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
nu
nu
nu
nu
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.00
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
industrial@swissbit.com
C-440_data_sheet_CF-HxBU_Rev100.doc
Page 78 of 102
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SFCF2048H2BU2TO-I-MS-527-STD | 制造商:SWISSBIT NA INC 功能描述:FLASH |
| SFCF2048H4BK1SA-C-QT-553-SMA | 制造商:SWISSBIT NA INC 功能描述:FLASH |
| SFCF2048H4BK1SA-I-QT-553-SMA | 功能描述:FLASH SLC UDMA/MDMA/PIO 2G RoHS:是 类别:存储卡，模块 >> 存储器，PC 卡 系列:C-300 标准包装:30 系列:- 存储容量:8GB 存储器类型:存储卡 - Extreme III SD? |
| SFCF2048H4BK2SA-C-DS-553-SMA | 制造商:SWISSBIT NA INC 功能描述:FLASH SLC UDMA/MDMA/PIO 2G |
| SFCF2048H4BK2SA-I-DS-553-SMA | 功能描述:FLASH SLC UDMA/MDMA/PIO 2G RoHS:是 类别:存储卡，模块 >> 存储器，PC 卡 系列:C-300 标准包装:30 系列:- 存储容量:8GB 存储器类型:存储卡 - Extreme III SD? |
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