參數(shù)資料
型號: GT28F320D18B120
英文描述: x16 Flash EEPROM
中文描述: x16閃存EEPROM
文件頁數(shù): 33/83頁
文件大小: 836K
代理商: GT28F320D18B120
28F320D18
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0672_11
Figure 11. Locking Operations Flowchart
Start
Write 60H
(Configuration Setup)
Read Status Register
No
Comments
Data = 60H
Addr = Within block to lock
SR.4, SR.5 =
Write 90H
(Read Configuration)
Read Block Lock Status
Locking
Change
Confirmed
Locking Change
Complete
0,0
Check Status Register
80H = no error
B0H = Lock Command
Sequence Error
Bus
Operation
Write
Command
1,1
Write
01H, D0H, or 2FH
Status Register Data
Addr=Within block to lock
Write
Read
(Optional)
Standby
(Optional)
Data= 01H (Lock Block)
D0H (Unlock Block)
2FH (Lockdown Block)
Addr=Within block to lock
Config. Setup
Lock, Unlock,
or Lockdown
Lock Command
Sequence Error
Data = 90H
Addr=Within block to lock
Write
(Optional)
Read
Configuration
Block Lock Status Data
Addr = Second addr of block
Read
(Optional)
Block Lock
Status
Confirm Locking Change on
DQ
, DQ
. (See Block Locking
State Table for valid
combinations.)
Standby
(Optional)
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