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SMC032AF 数据表(PDF) 73 Page - Numonyx B.V |
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SMC032AF 数据表(HTML) 73 Page - Numonyx B.V |
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73 / 82 page ![]() SMCxxxAF CF-ATA command description 73/82 9.27 Write Sector(s) without Erase command (38h) This command is similar to the Write Sector(s) command with the exception that an implied erase before write operation is not performed. This command has the same protocol as the Write Sector(s) command. The sectors should be pre-erased with the Erase Sector(s) command before this command is issued. If the sector is not pre-erased a normal write sector operation will occur. Table 79 defines the Write Sector(s) without Erase command byte sequence. M 9.28 Write Verify command (3Ch) This command is similar to the Write Sector(s) command, except each sector is verified immediately after being written. This command has the same protocol as the Write Sector(s) command. Table 80 defines the Write Verify command byte sequence. Table 79. Write Sector(s) without Erase Bit 7 6 5 4 3 2 1 0 Command (7) 38h C/D/H (6) 1 LB A 1 Drive Head (LBA 27-24) Cyl High (5) Cylinder High (LBA 23-16) Cyl Low (4) Cylinder Low (LBA 15-8) Sect Num (3) Sector Number (LBA 7-0) Sect Cnt (2) Sector Count Feature (1) X Table 80. Write Verify Bit 7 6 5432 1 0 Command (7) 3Ch C/D/H (6) 1 LBA 1 Drive Head (LBA 27-24) Cyl High (5) Cylinder High (LBA 23-16) Cyl Low (4) Cylinder Low (LBA 15-8) Sect Num (3) Sector Number (LBA 7-0) Sect Cnt (2) Sector Count Feature (1) X |
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