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M16C/26 датащи(PDF) 224 Page - Renesas Technology Corp |
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M16C/26 датащи(HTML) 224 Page - Renesas Technology Corp |
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224 / 239 page ![]() Renesas Technology Corp. Appendix Standard Serial I/O Mode 1 (Flash Memory Version) 218 M16C/26 Group SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Under development Preliminary Specifications Rev. 0.9 Specifications in this manual are tentative and subject to change. Full Status Check Results from executed erase and program operations can be known by running a full status check. Figure 1.22.13 shows a flowchart of the full status check and explains how to remedy errors which occur. Figure 1.22.13. Full status check flowchart and remedial procedure for errors Read status register SR4=1 and SR5 =1 ? NO Command sequence error YES SR5=0? YES Block erase error NO SR4=0? YES Program error NO 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 a block 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. Execute the read lock bit status command (7116) to see if the block is locked. After removing lock, execute write operation in the same way. If the error still occurs, the page in error cannot be used. |
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