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M58LR128KB855 Datasheet(PDF) 91 Page - Numonyx B.V

No. de pieza M58LR128KB855
Descripción Electrónicos  128 or 256 Mbit (횞16, multiple bank, multilevel interface, burst) 1.8 V supply Flash memories
PDF  110 Pages
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Fabricante Electrónico  NUMONYX [Numonyx B.V]
Página de inicio  http://www.numonyx.com
Logo NUMONYX - Numonyx B.V

M58LR128KB855 Datasheet(HTML) 91 Page - Numonyx B.V

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M58LR128KT, M58LR128KB, M58LR256KT, M58LR256KB
Flowcharts and pseudocodes
91/111
Appendix C
Flowcharts and pseudocodes
Figure 18.
Program flowchart and pseudocode
1.
Status check of SR1 (Protected Block), SR3 (VPP Invalid) and SR4 (Program Error) can be made after each program
operation or after a sequence.
2.
If an error is found, the Status Register must be cleared before further Program/Erase Controller operations.
3.
Any address within the bank can equally be used.
Write 40h or 10h (3)
AI06170b
Start
Write Address
& Data
Read Status
Register (3)
YES
NO
SR7 = 1
YES
NO
SR3 = 0
NO
SR4 = 0
VPP Invalid
Error (1, 2)
Program
Error (1, 2)
program_command (addressToProgram, dataToProgram) {:
writeToFlash (addressToProgram, 0x40);
/*writeToFlash (addressToProgram, 0x10);*/
/*see note (3)*/
do {
status_register=readFlash (addressToProgram);
"see note (3)";
/* E or G must be toggled*/
} while (status_register.SR7== 0) ;
if (status_register.SR3==1) /*VPP invalid error */
error_handler ( ) ;
YES
End
YES
NO
SR1 = 0
Program to Protected
Block Error (1, 2)
writeToFlash (addressToProgram, dataToProgram) ;
/*Memory enters read status state after
the Program Command*/
if (status_register.SR4==1) /*program error */
error_handler ( ) ;
if (status_register.SR1==1) /*program to protect block error */
error_handler ( ) ;
}



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