參數(shù)資料
型號: 28F016SC
廠商: Intel Corp.
英文描述: 16-MBIT SmartVoltage FlashFile Memory(16M位智能電壓閃速存儲器)
中文描述: 16兆內(nèi)存SmartVoltage FlashFile(1,600位智能電壓閃速存儲器)
文件頁數(shù): 26/42頁
文件大?。?/td> 725K
代理商: 28F016SC
BYTE-WIDE SmartVoltage FlashFile MEMORY FAMILY
E
26
PRELIMINARY
SR.7 =
0
1
Start
Write 60H,
Block/Device Address
Write 01H/F1H,
Block/Device Address
Full Status
Check if Desired
Set Lock-Bit Complete
FULL STATUS CHECK PROCEDURE
1
0
Read Status Register
Data (See Above)
1
0
Read Status
Register
V Range Error
1
0
Command Sequence
Error
SR.3 =
SR.4 =
SR.4,5 =
Set Lock-Bit Error
Bus
Operation
Command
Comments
Standby
Check SR.4,5
Both 1 = Command Sequence Error
Standby
SR.5, SR.4, SR.3 and SR.1 are only cleared by the Clear Status
Register command in cases where multiple lock-bits are set before
full status is checked.
If error is detected, clear the Status Register before attempting retry
or other error recovery.
Check SR.4
1 = Set Lock-Bit Reset Error
Standby
Bus
Operation
Command
Comments
Write
Write
Set
Block/Master
Lock-Bit Setup
Read
Data = 60H
Addr = Block Address (Block),
Device Address (Master)
Check SR.7
1 = WSM Ready
0 = WSM Busy
Repeat for subsequent lock-bit set operations.
Full status check can be done after each lock-bit set operation or after
a sequence of lock-bit set operations.
Write FFH after the last lock-bit set operation to place device in
read array mode.
Status Register Data
Standby
Set
Block or Master
Lock-Bit Confirm
Data = 01H (Block),
F1H (Master)
Addr = Block Address (Block),
Device Address (Master)
Set Lock-Bit Successful
Standby
0
1
Device Protect Error
SR.1 =
Check SR.3
1 = V Error Detect
Check SR.1
1 = Device Protect Detect
RP# = V ,
(Set Master Lock-Bit Operation)
RP# = V , Master Lock-Bit Is Set
(Set Block Lock-Bit Operation)
Figure 11. Set Block and Master Lock-Bit Flowchart
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