m58lt256jsb STMicroelectronics, m58lt256jsb Datasheet - Page 91

• 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
Figure 21. Buffer program flowchart and pseudocode
1. n + 1 is the number of data being programmed.
2. Next Program data is an element belonging to buffer_Program[].data; Next Program address is an element belonging to
3. Routine for Error Check by reading SR3, SR4 and SR1.
buffer_Program[].address
Next Program Address
Write Next Buffer Data,
Buffer Program E8h
Register Check
Write Buffer Data,
Buffer to Flash
Start Address
Start Address
Start Address
Confirm D0h
Read Status
Read Status
Full Status
Command,
Write n
X = X + 1
SR7 = 1
Program
Register
Register
SR7 = 1
X = 0
X = n
Start
End
YES
NO
YES
(1)
,
(3)
NO
NO
YES
(2)
Buffer_Program_command (Start_Address, n, buffer_Program[] )
data to be programmed to the Flash memory (the address must be within
the segment Start Address and Start Address+n) */
{
status_register=readFlash (Start_Address);
/*buffer_Program[0].address is the start address*/
/* buffer_Program [] is an array structure used to store the address and
do {writeToFlash (Start_Address, 0xE8) ;
} while (status_register.SR7==0);
writeToFlash (Start_Address, n);
writeToFlash (buffer_Program[0].address, buffer_Program[0].data);
x = 0;
while (x<n)
do {status_register=readFlash (Start_Address);
full_status_register_check();
}
{ writeToFlash (buffer_Program[x+1].address, buffer_Program[x+1].data);
}
writeToFlash (Start_Address, 0xD0);
x++;
} while (status_register.SR7==0);
Flowcharts and pseudocodes
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