參數(shù)資料
型號: M28W640FCT85ZB1
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 4M X 16 FLASH 3V PROM, 85 ns, PBGA48
封裝: 6.39 X 10.50 MM, 0.75 PITCH, TFBGA-48
文件頁數(shù): 43/55頁
文件大?。?/td> 1141K
代理商: M28W640FCT85ZB1
M28W640FCT, M28W640FCB
48/55
Figure 21. Erase Flowchart and Pseudo Code
Note: If an error is found, the Status Register must be cleared before further Program/Erase operations.
Write 20h
AI03541b
Start
Write Block
Address & D0h
Read Status
Register
YES
NO
b7 = 1
YES
NO
b3 = 0
YES
b4, b5 = 1
VPP 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) ;
/* E or G must be toggled*/
if (status_register.b3==1) /*VPP 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 ( ) ;
}
相關(guān)PDF資料
PDF描述
M28W800B100N1T 512K X 16 FLASH 3V PROM, 100 ns, PDSO48
M293 EPM 32 ELECTRONIC PROGRAM MEMORY FOR 32 STATIONS
M29DW324DT90ZA6F 2M X 16 FLASH 3V PROM, 90 ns, PBGA63
M29DW640F70N6F 4M X 16 FLASH 3V PROM, 70 ns, PDSO48
M29F002BB120K1 2 Mbit 256Kb x8, Boot Block Single Supply Flash Memory
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M28W640FSB70ZA6E 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Trays
M28W640FSB70ZA6F 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Tape and Reel
M28W640FSB7KZA6E 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Trays
M28W640FSB7KZA6F 制造商:Micron Technology Inc 功能描述:64 MB. MUAR TBGA64 MUAR - Tape and Reel
M28W640FST70ZA6 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Trays