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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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M16C/29 bảng dữ liệu(PDF) 376 Page - Renesas Technology Corp |
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M16C/29 bảng dữ liệu(HTML) 376 Page - Renesas Technology Corp |
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376 / 499 page  20. Flash Memory Version p u o r G 9 2 / C 6 1 M page 352 8 5 4 f o 7 0 0 2 , 0 3 .r a M 2 1 . 1 . v e R 2 1 1 0 - 1 0 1 0 B 9 0 J E R 20.8.4 Full Status Check If an error occurs, bits FMR06 to FMR07 in the FMR0 register are set to 1, indicating a specific error. Therefore, execution results can be comfirmed by verifying these status bits (full status check). Table 20.7 lists errors and FMR0 register state. Figure 20.14 shows a flow chart of the full status check and handling procedure for each error. Table 20.7 Errors and FMR0 Register Status FMR0 register (SRD register) status Error Error occurrence condition FMR07 FMR06 (SR5) (SR4) 1 1 Command • An incorrect commands is written sequence error • A value other than xxD016 or xxFF16 is written in the second bus cycle of the block erase command (1) • When the block erase command is executed on an protected block • When the program command is executed on protected blocks 1 0 Erase error • The block erase command is executed on an unprotected block but the program operation is not successfully completed 0 1 Program error • The program command is executed on an unprotected block but the program operation is not successfully completed Note 1: The flash memory enters read array mode by writing command code xxFF16 in the second bus cycle of these commands. The command code written in the first bus cycle becomes invalid. |
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