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7641 Datasheet(PDF) 110 Page - Renesas Technology Corp |
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7641 Datasheet(HTML) 110 Page - Renesas Technology Corp |
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110 / 138 page  7641 Group Rev.4.00 Aug 28, 2006 page 110 of 135 REJ03B0191-0400 Full Status Check By performing full status check, it is possible to know the execu- tion results of erase and program operations. Figure 93 shows a Fig. 93 Full status check flowchart and remedial procedure for errors full status check flowchart and the action to be taken when each error occurs. Read status register SR4 = 1 and SR5 = 1 ? NO YES SR5 = 0 ? YES Erase error NO SR4 = 0 ? YES NO 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 and SR4 is set to “1”, none of the read aray, 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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