M28W320EB-ZB STMICROELECTRONICS [STMicroelectronics], M28W320EB-ZB Datasheet - Page 40
M28W320EB-ZB
Manufacturer Part Number
M28W320EB-ZB
Description
32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M28W320EB-ZB.pdf
(45 pages)
- Current page: 40 of 45
- Download datasheet (300Kb)
M28W320EBT, M28W320EBB
Figure 19. Program Suspend & Resume Flowchart and Pseudo Code
40/45
Program Continues
another address
Read data from
Read Status
Write D0h
Write FFh
Write 70h
Write B0h
Register
b7 = 1
b2 = 1
Start
YES
YES
NO
NO
Program Complete
Read Data
Write FFh
program_suspend_command ( ) {
if (status_register.b2==0) /*program completed */
else
}
do {
writeToFlash (any_address, 0xB0) ;
writeToFlash (any_address, 0x70) ;
/* read status register to check if
program has already completed */
status_register=readFlash (any_address) ;
/* E or G must be toggled*/
} while (status_register.b7== 0) ;
{ writeToFlash (any_address, 0xFF) ;
{ writeToFlash (any_address, 0xFF) ;
}
}
read_data ( ) ; /*read data from another block*/
/*The device returns to Read Array
(as if program/erase suspend was not issued).*/
read_data ( ); /*read data from another address*/
writeToFlash (any_address, 0xD0) ;
/*write 0xD0 to resume program*/
AI03540b
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