M38K09RFS datasheet(107/328 Pages) RENESAS

tên linh kiện	M38K09RFS

Giải thích chi tiết về linh kiện	RENESAS 8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES

PDF	328 Pages

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FUNCTIONAL DESCRIPTION

Rev.2.00

Oct 05, 2006

page 90 of 112

38K0 Group

REJ09B0337-0200

HARDWARE

Full Status Check

By performing full status check, it is possible to know the execu-

tion results of erase and program operations. Figure 121 shows a

full status check flowchart and the action to be taken when each

error occurs.

Fig. 121 Full status check flowchart and remedial procedure for errors

Read status register

SR4 = 1 and

SR5 = 1 ?

YES

SR5 = 0 ?

YES

Erase error

SR4 = 0 ?

YES

Command

sequence error

Program error

End (block erase, program)

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.

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

and block erase commands is accepted. Execute the clear status register

command (5016) before executing these commands.

Should a program error occur, the block in error

cannot be used.

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