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參數(shù)資料
| 型號： | GE28F640W30TD70 |
| 廠商： | INTEL CORP |
| 元件分類： | PROM |
| 英文描述： | 4M X 16 FLASH 1.8V PROM, 70 ns, PBGA56 |
| 封裝： | 0.75 MM PITCH, VFBGA-56 |
| 文件頁數(shù)： | 55/104頁 |
| 文件大小： | 1443K |
| 代理商： | GE28F640W30TD70 |
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28F640W30, 28F320W30, 28F128W30
June 2005
Intel Wireless Flash Memory (W30)
Datasheet
54
Order Number: 290702, Revision: 011
Block Locking
60h
Lock Setup
This command prepares the CUI lock configuration. If the next command is not
Lock Block, Unlock Block, or Lock-Down, the CUI sets SR[5:4] to indicate a
command sequence error.
01h
Lock Block
If the previous command was Lock Setup (60h), the CUI locks the addressed
block.
D0h
Unlock Block
If the previous command was Lock Setup (60h), the CUI latches the address and
unlocks the addressed block. If previously locked-down, the operation has no
effect.
2Fh
Lock-Down
If the previous command was Lock Setup (60h), the CUI latches the address and
locks-down the addressed block.
Protection
C0h
Protection
Program
Setup
This command prepares the CUI for a protection register program operation. The
second cycle latches address and data, and starts the WSM protection register
program or lock algorithm. Toggling CE# or OE# updates the flash device status
register data. To read array data after programming, issue a Read Array
command.
Configuration
60h
Configuration
Setup
This command prepares the CUI for flash device configuration. If Set
Configuration Register is not the next command, the CUI sets SR[5:4] to indicate
a command sequence error.
03h
Set
Configuration
Register
If the previous command was Configuration Setup (60h), the CUI latches the
address and writes the data from A[15:0] into the configuration register.
Subsequent read operations access the array data.
Note:
Do not use unassigned commands. Intel reserves the right to redefine these codes for future functions.
Table 18.
Command Codes and Descriptions (Sheet 2 of 2)
Operation
Code
Flash Device
Command
Description
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