M58LT256JSB8ZA6 STMICROELECTRONICS [STMicroelectronics], M58LT256JSB8ZA6 Datasheet - Page 88

• Manufacturer Part Number: M58LT256JSB8ZA6
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Flowcharts and pseudocodes
Figure 20. Blank Check flowchart and pseudocode
1. Any address within the bank can equally be used.
2. If an error is found, the Status Register must be cleared before further Program/Erase operations.
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Status Register (1)
Address & BCh
Address & CBh
Write Block
Write Block
SR7 = 1
SR4 = 1
SR5 = 1
SR5 = 0
Read
Start
End
YES
NO
YES
NO
Blank Check Error (2)
Command Sequence
Error (2)
blank_check_command (blockToCheck) {
}
writeToFlash (blockToCheck, 0xBC);
writeToFlash (blockToCheck, 0xCB);
/* Memory enters read status state after
the Blank Check Command */
do {
if (status_register.SR4==1) && (status_register.SR5==1)
/* command sequence error */
if (status_register.SR5==1)
/* Blank Check error */
status_register = readFlash (blockToCheck);
/* E or G must be toggled */
} while (status_register.SR7==0);
error_handler () ;
error_handler () ;
M58LT256JST, M58LT256JSB
/* see note (1) */
ai10520c