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M58PR256J bảng dữ liệu(PDF) 99 Page - STMicroelectronics

tên linh kiện M58PR256J
Giải thích chi tiết về linh kiện  256 Mbit or 512 Mbit (x16, Multiple Bank, Multilevel, Burst) 1.8 V supply Flash memories
PDF  114 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M58PR256J bảng dữ liệu(HTML) 99 Page - STMicroelectronics

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 99 / 114 page
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M58PR256J, M58PR512J
Flowcharts and pseudo codes
99/114
Figure 22.
Program Suspend & Resume flowchart and pseudo code
1.
The Read Status Register command (Write 70h) can be issued just before or just after the Program Resume command.
Write 70h
AI10117b
Read Status
Register
YES
NO
SR7 = 1
YES
NO
SR2 = 1
Write D0h
Read data from
another address
Start
Write B0h
Program Complete
Write FFh
program_suspend_command ( ) {
writeToFlash (any_address, 0xB0) ;
writeToFlash (bank_address, 0x70) ;
/* read status register to check if
program has already completed */
do {
status_register=readFlash (bank_address) ;
/* E or G must be toggled*/
} while (status_register.SR7== 0) ;
if (status_register.SR2==0) /*program 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_data ( ); /*read data from another address*/
writeToFlash (any_address, 0xD0) ;
/*write 0xD0 to resume program*/
writeToFlash (bank_address, 0x70) ;
/*read status register to check if program has completed */
}
}
Write FFh
Program Continues with
Bank in Read Status
Register Mode
Read Data
Write 70h(1)



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