參數(shù)資料
型號(hào): 28F320S5
廠(chǎng)商: Intel Corp.
英文描述: 3 V、32MB FlashFile Memory(3 V、32M位FlashFile 存儲(chǔ)器)
中文描述: 3伏,32MB的FlashFile內(nèi)存(3伏,32位FlashFile存儲(chǔ)器)
文件頁(yè)數(shù): 36/51頁(yè)
文件大?。?/td> 320K
代理商: 28F320S5
28F160S5/28F320S5
E
36
PRELIMINARY
Start
Write 60H,
Block/Device Address
Write 01H,
Block/Device Address
Read Status Register
SR.7 =
Full Status
Check if Desired
Set Lock-Bit Complete
FULL STATUS CHECK PROCEDURE
Bus
Operation
Write
Write
Standby
Repeat for subsequent lock-bit set
Full status check can be done after each lock-bit set operation or
a sequence of lock-bit set
Write FFH after the last lock-bit set operation to place device in
array mode.
Bus
Operation
Standby
SR.5, SR.4, SR.3 and SR.1 are only cleared by the Clear
Register command in cases where multiple lock-bits are set
full status is
If an error is detected, clear the status register before attempting
or other error
1
0
Standby
Command
Set Lock-Bit Setup
Set Block Lock-Bit
Confirm
Comments
Data = 60H
Addr = X
Data = 01H
Addr = X
Check SR.7
1 = WSM Ready
0 = WSM Busy
Command
Comments
Check SR.3
1 = Programming Voltage Error
Detect
Check SR.1
1 = Device Protect Detect
WP# = V
IL
Read Status Register
Data (See Above)
VoltageRange Error
Device Protect Error
SR.3 =
SR. 1 =
1
0
1
0
Command Sequence
Error
SR.4,5 =
1
0
Set Lock-Bit Error
SR.4 =
1
0
Read
Status Register Data
Standby
Check SR.4, 5
Both 1 = Command
Error
Standby
Check SR.4
1 = Set Lock-Bit Error
Set Lock-Bit
Successful
0609_11
Figure 11. Set Block Lock-Bit Flowchart
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