75/83
M30L0R8000T0, M30L0R8000B0
Figure 26. Protection Register Program Flowchart and Pseudo Code
Note: 1. Status check of SR1 (Protected Block), SR3 (V
PP
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 C0h (3)
AI06177b
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)
protection_register_program_command (addressToProgram, dataToProgram) {:
writeToFlash (addressToProgram, 0xC0) ;
/*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 ( ) ;
}
相關(guān)PDF資料
PDF描述
M30L0R8000T0ZAQT 256 Mbit (16Mb x16, Multiple Bank, Multi-Level, Burst) 1.8V Supply Flash Memory
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M30L0R8000T0ZAQT 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Mbit (16Mb x16, Multiple Bank, Multi-Level, Burst) 1.8V Supply Flash Memory
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M30LLASSM 制造商:Apex Tool Group 功能描述:Syringe; Manual Assemble Calibrated Syringe; 30 cc 制造商:Cooper Hand Tools / Weller 功能描述:CALIBRATED SYRINGE, 30CC; Dispenser Type:Syringe; Volume:30cc; Accessory Type:Calibrated Syringe
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