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M16C/29 データシート(PDF) 374 Page - Renesas Technology Corp |
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M16C/29 データシート(HTML) 374 Page - Renesas Technology Corp |
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374 / 499 page ![]() 20. Flash Memory Version p u o r G 9 2 / C 6 1 M page 350 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 Figure 20.13 Block Erase Command (at use erase suspend) NOTES: 1. Write the command code and data to even address. 2. Execute the clear status register command and block erase command at least 3 times until an erase error is not generated when an erase error is generated. 3. In EW mode 0, allocate an interrupt vector table of an interrupt, to be used, to the RAM area 4. Refer to Figure 20.14. Start Block erase completed Write the command code xx2016 (1) Write xxD016 to the highest-order block address (1) YES NO FMR00=1? Full status check (2,4) FMR40=1 Interrupt service routine(3) FMR41=1 YES NO FMR46=1? Access Flash Memory Return (Interrupt service routine end) FMR41=0 (EW mode 0) (EW mode 1) Start Block erase completed Write the command code xx2016 (1) Write xxD016 to the highest-order block address (1) YES NO FMR00=1? Full status check (2,4) FMR40=1 FMR41=0 Interrupt service routine Access Flash Memory Return (Interrupt service routine end) |
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