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R5F72115D160FPV Datasheet(PDF) 941 Page - Renesas Technology Corp |
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R5F72115D160FPV Datasheet(HTML) 941 Page - Renesas Technology Corp |
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941 / 1228 page ![]() Section 21 Flash Memory Rev. 2.00 May. 08, 2008 Page 917 of 1200 REJ09B0344-0200 (4) Erasure Execution When flash memory is erased, the erase-block number on the user MAT must be passed to the erasing program which is downloaded. This is set to the FEBS parameter (general register R4). One block is specified from the block number 0 to 15. For details on the erasing procedure, see section 21.5.2, User Program Mode. (4.1) Flash Erase Block Select Parameter (FEBS: General Register R4 of CPU) This parameter specifies the erase-block number. Several block numbers cannot be specified. Bit: Initial value: R/W: Bit: Initial value: R/W: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 987654321 0 ---------------- R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W ---------------- R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W ---------------- - - - - - - - - EBS[7:0] Bit Bit Name Initial Value R/W Description 31 to 8 ⎯ Undefined R/W Unused Return 0. 7 to 0 EBS[7:0] Undefined R/W Set the erase-block number in the range from 0 to 11. 0 corresponds to the EB0 block and 11 corresponds to the EB11 block. An error occurs when a number other than 0 to 11 (H'00 to H'0B) is set. |
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