m58wr064kt Numonyx, m58wr064kt Datasheet - Page 114

• Manufacturer Part Number: m58wr064kt
• Description: 16-, 32-, 64-mbit ?16, Multiple Bank, Burst 1.8 V Supply Flash Memories
• Manufacturer: Numonyx

Flowcharts and pseudo codes
Figure 30. Protection Register program flowchart and pseudo code
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.
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operation or after a sequence.
Write C0h (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
Program to Protected
Block Error (1, 2)
V PP Invalid
Error (1, 2)
Error (1, 2)
Program
protection_register_program_command (addressToProgram, dataToProgram) {:
PP
Invalid) and SR4 (Program Error) can be made after each program
if (status_register.SR3==1) /*VPP 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, 0xC0) ;
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*/
/*see note (3) */
M58WRxxxKT, M58WRxxxKB
/* see note (3) */
AI06177b