M58LT128HSB8ZA6E 参数 Datasheet PDF下载

M58LT128HST, M58LT128HSB

Flowcharts and pseudo codes

Appendix C

Flowcharts and pseudo codes

Figure 19. Program flowchart and pseudo code

Start

program_command (addressToProgram, dataToProgram) {:

Write 40h or 10h (3)

writeToFlash (addressToProgram, 0x40);

/*writeToFlash (addressToProgram, 0x10);*/

/*see note (3)*/

writeToFlash (addressToProgram, dataToProgram) ;

/*Memory enters read status state after

the Program Command*/

do {

status_register=readFlash (addressToProgram);

"see note (3)";

/* E or G must be toggled*/

NO

} while (status_register.SR7== 0) ;

YES

SR3 = 0

YES

SR4 = 0

YES

SR1 = 0

YES

End

}

NO

Program to Protected

Block Error (1, 2)

if (status_register.SR1==1) /*program to protect block error */

error_handler ( ) ;

NO

Program

Error (1, 2)

if (status_register.SR4==1) /*program error */

error_handler ( ) ;

NO

VPP Invalid

Error (1, 2)

if (status_register.SR3==1) /*VPP invalid error */

error_handler ( ) ;

Write Address

& Data

Read Status

Register (3)

SR7 = 1

AI06170b

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.

91/110