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M58PR512LE bảng dữ liệu(PDF) 106 Page - STMicroelectronics

tên linh kiện M58PR512LE
Giải thích chi tiết về linh kiện  256-Mbit, 512-Mbit or 1-Gbit (횞 16, multiple bank, multilevel, burst) 1.8 V supply Flash memories
PDF  119 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M58PR512LE bảng dữ liệu(HTML) 106 Page - STMicroelectronics

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Flowcharts and pseudocodes
M58PR256LE, M58PR512LE, M58PR001LE
106/119
Figure 24.
Erase suspend and resume flowchart and pseudocode
1.
The Read Status Register command (Write 70h) can be issued just before or just after the Erase Resume command.
Write 70h
AI10116c
Read Status
Register
YES
NO
SR7 = 1
YES
NO
SR6 = 1
Erase continues with
bank in Read Status
Register mode
Write D0h
Read data from another block
or
Program/Set Configuration Register
or
Block Lock/Unlock/Lock-Down
Start
Write B0h
Erase Complete
Write FFh
Read Data
Write FFh
erase_suspend_command ( ) {
writeToFlash (bank_address, 0xB0) ;
writeToFlash (bank_address, 0x70) ;
/* read status register to check if
erase has already completed */
do {
status_register=readFlash (bank_address) ;
/* E or G must be toggled*/
} while (status_register.SR7== 0) ;
if (status_register.SR6==0) /*erase completed */
{ writeToFlash (bank_address, 0xFF) ;
read_data ( ) ;
/*The device returns to Read Array
(as if program/erase suspend was not issued).*/
}
else
{ writeToFlash (bank_address, 0xFF) ;
read_program_data ( );
/*read or program data from another block*/
writeToFlash (bank_address, 0xD0) ;
/*write 0xD0 to resume erase*/
writeToFlash (bank_address, 0x70) ;
/*read status register to check if erase has completed */
}
}
Write 70h(1)



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