m58lt256jsb STMicroelectronics, m58lt256jsb Datasheet - Page 89

• Manufacturer Part Number: m58lt256jsb
• Description: 256 Mbit 16 Mb 16, Multiple Bank, Multilevel, Burst 1.8 V Supply, Secure Flash Memories
• Manufacturer: STMicroelectronics

M58LT256JST, M58LT256JSB
Appendix C
Figure 19. Program flowchart and pseudocode
1. Status check of SR1 (Protected Block), SR3 (V
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.
operation or after a sequence.
Write 40h or 10h (3)
Write Address
Read Status
Register (3)
SR7 = 1
SR3 = 0
SR4 = 0
SR1 = 0
& Data
Start
End
YES
YES
YES
YES
NO
NO
NO
NO
Flowcharts and pseudocodes
Program to Protected
Block Error (1, 2)
V PP Invalid
Error (1, 2)
Error (1, 2)
Program
PP
Invalid) and SR4 (Program Error) can be made after each program
program_command (addressToProgram, dataToProgram) {:
if (status_register.SR3==1) /*V PP invalid error */
if (status_register.SR4==1) /*program error */
if (status_register.SR1==1) /*program to protect block error */
}
do {
error_handler ( ) ;
error_handler ( ) ;
error_handler ( ) ;
writeToFlash (addressToProgram, 0x40);
/*writeToFlash (addressToProgram, 0x10);*/
writeToFlash (addressToProgram, dataToProgram) ;
/*Memory enters read status state after
the Program Command*/
} while (status_register.SR7== 0) ;
status_register=readFlash (addressToProgram);
/* E or G must be toggled*/
Flowcharts and pseudocodes
"see note (3)";
/*see note (3)*/
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