參數(shù)資料
型號: M58LW128A150ZA6T
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 8M X 16 FLASH 3V PROM, 150 ns, PBGA64
封裝: 10 X 13 MM, 1 MM PITCH, TBGA-64
文件頁數(shù): 55/65頁
文件大?。?/td> 932K
代理商: M58LW128A150ZA6T
59/65
Figure 27. Erase Flowchart and Pseudo Code
Note: 1. If an error is found, the Status Register must be cleared (Clear Status Register Command) before further Program or Erase oper-
ations.
Write 20h
AI00613C
Start
Write D0h to
Block Address
Read Status
Register
YES
NO
b7 = 1
YES
NO
b3 = 0
YES
b4, b5 = 1,1
VPP Invalid
Error (1)
Command
Sequence Error
Erase command:
– write 20h
– write D0h to Block Address
(A12-A17)
(memory enters read Status
Register after the Erase command)
do:
– read status register
– if Program/Erase Suspend command
given execute suspend erase loop
while b7 = 1
If b3 = 1, VPP invalid error:
– error handler
If b4, b5 = 1,1 Command Sequence error:
– error handler
NO
b5 = 0
Erase
Error (1)
YES
NO
Suspend
Loop
If b5 = 1, Erase error:
– error handler
YES
End
YES
NO
b1 = 0
Erase to Protected
Block Error
If b1 = 1, Erase to Protected Block Error:
– error handler
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