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SMC032AF 数据表(PDF) 59 Page - Numonyx B.V |
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SMC032AF 数据表(HTML) 59 Page - Numonyx B.V |
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59 / 82 page ![]() SMCxxxAF CF-ATA command description 59/82 9.6 Idle Immediate command (95h or E1h) This command causes the card to set BSY, enter the Idle mode, clear BSY and generate an interrupt. Table 54 defines the Idle Immediate command byte sequence. 9.7 Initialize Drive Parameters command (91h) This command enables the host to set the number of sectors per track and the number of heads per cylinder. Only the Sector Count and the Card/Drive/Head registers are used by this command. Table 55 defines the Initialize Drive Parameters command byte sequence. Table 54. Idle Immediate Bit 765 43210 Command (7) 95h or E1h C/D/H (6) X Drive X Cyl High (5) X Cyl Low (4) X Sect Num (3) X Sect Cnt (2) X Feature (1) X Table 55. Initialize Drive Parameters Bit 7 6 5432 1 0 Command (7) 91h C/D/H (6) X 0 X Drive Max Head (no. of heads 1) Cyl High (5) X Cyl Low (4) X Sect Num (3) X Sect Cnt (2) Number of sectors Feature (1) X |
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