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M37516F9-XXXHP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

7516 Group

Full Status Check

Results from executed erase and program operations can be

known by running a full status check. Figure 75 shows a flowchart

of the full status check and explains how to remedy errors which

occur.

Read status register

SR4 = 1 and YES

SR5 = 1 ?

Command

sequence error

NO

NO

SR5 = 0 ?

YES

NO

SR4 = 0 ?

YES

Erase error

Program error

Execute the clear status register command (5016)

to clear the status register. Try performing the

operation one more time after confirming that the

command is entered correctly.

Should an erase error occur, the block in error

cannot be used.

Should a program error occur, the block in error

cannot be used.

End (Erase, program)

Note: When one of SR5 to SR4 is set to “1” , none of the program, erase all blocks

commands is accepted. Execute the clear status register command (5016) before

executing these commands.

Fig. 75 Full status check flowchart and remedial procedure for errors

Rev.1.01 Jul 01, 2003 page 73 of 89

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