參數資料
型號: M36W216BI85ZA6
廠商: NUMONYX
元件分類: 存儲器
英文描述: SPECIALTY MEMORY CIRCUIT, PBGA66
封裝: 12 X 8 MM, 0.80 MM PITCH, LFBGA-66
文件頁數: 51/62頁
文件大?。?/td> 380K
代理商: M36W216BI85ZA6
55/62
M36W216TI, M36W216BI
Figure 28. Erase Flowchart and Pseudo Code
Note: If an error is found, the Status Register must be cleared before further Program/Erase operations.
Write 20h
AI07922
Start
Write Block
Address & D0h
Read Status
Register
YES
NO
b7=1
YES
NO
b3=0
YES
b4, b5 = 1
VPPF Invalid
Error (1)
Command
Sequence Error (1)
NO
b5 = 0
Erase Error (1)
End
YES
NO
b1=0
Erase to Protected
Block Error (1)
YES
erase_command ( blockToErase ) {
writeToFlash (any_address, 0x20) ;
writeToFlash (blockToErase, 0xD0) ;
/* only A12-A20 are significannt */
/* Memory enters read status state after
the Erase Command */
} while (status_register.b7== 0) ;
do {
status_register=readFlash (any_address) ;
/* EF or GF must be toggled*/
if (status_register.b3==1) /*VPPF invalid error */
error_handler ( ) ;
if ( (status_register.b4==1) && (status_register.b5==1) )
/* command sequence error */
error_handler ( ) ;
if (status_register.b1==1) /*program to protect block error */
error_handler ( ) ;
if ( (status_register.b5==1) )
/* erase error */
error_handler ( ) ;
}
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