38K2 datasheet(143/358 Pages) RENESAS

tên linh kiện	38K2

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

PDF	358 Pages

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nhà sản xuất	RENESAS [Renesas Technology Corp]

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FUNCTIONAL DESCRIPTION

Rev.2.00

Oct 15, 2006

page 124 of 130

38K2 Group

REJ09B0338-0200

HARDWARE

Full Status Check

Results from executed erase and program operations can be

known by running a full status check. Figure 165 shows a flow-

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

which occur.

Read status register

SR4 = 1 and

SR5 = 1 ?

YES

SR5 = 0 ?

YES

Erase error

SR4 = 0 ?

YES

Command

sequence error

Program error

End (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 to 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.

Fig. 165 Full status check flowchart and remedial procedure for errors

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