| 전자부품 데이터시트 검색엔진 |
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M32C/86 데이터시트(PDF) 434 Page - Renesas Technology Corp |
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M32C/86 데이터시트(HTML) 434 Page - Renesas Technology Corp |
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434 / 505 page ![]() Page 411 9 7 4 f o 5 0 0 2 , 8 0 . p e S 0 0 . 1 . v e R 0 0 1 0 - 4 0 2 0 B 9 0 J E R 25. Flash Memory Version ) T 6 8 / C 2 3 M , 6 8 / C 2 3 M ( p u o r G 6 8 / C 2 3 M Block is not locked Write "xxD016" to the highest- order block address Start Block is locked YES NO Write the command code "xx7116" FMR00=1? YES NO FMR16=0? NOTES: 1. Write the command code and data to even addresses. Figure 25.12 Read Lock Bit Status Command 25.3.5.8 Read Lock Bit Status Command The read lock bit status command reads the lock bit state (the lock bit data) of a specified block. By writing command code "xx7116" in the first bus cycle and "xxD016" to the highest-order even ad- dress of a block in the second bus cycle, the FMR16 bit in the FMR1 register stores information on whether or not the lock bit of a specified block is locked. Read the FMR16 bit after the FMR00 bit in the FMR0 register is set to "1" (ready). Figure 25.12 shows a flow chart of the read lock bit status command programming. |
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