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LPC47M14X 数据表(PDF) 48 Page - SMSC Corporation |
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LPC47M14X 数据表(HTML) 48 Page - SMSC Corporation |
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48 / 205 page ![]() SMSC DS – LPC47M14X Page 48 Rev. 03/19/2001 SENSE DRIVE STATUS DATA BUS PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0 REMARKS Command W 0 0 0 0 0 1 0 0 Command Codes W 0 0 0 0 0 HDS DS1 DS0 Result R ST3 Status information about FDD SEEK DATA BUS PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0 REMARKS Command W 0 0 0 0 1 1 1 1 Command Codes W 0 0 0 0 0 HDS DS1 DS0 W NCN Execution Head positioned over proper cylinder on diskette. CONFIGURE DATA BUS PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0 REMARKS Command W 0 0 0 1 0 0 1 1 Configure Information W 0 0 0 0 0 0 0 0 W 0 EIS EFIFO POLL FIFOTHR Execution W PRETRK RELATIVE SEEK DATA BUS PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0 REMARKS Command W 1 DIR 0 0 1 1 1 1 W 0 0 0 0 0 HDS DS1 DS0 W RCN DUMPREG DATA BUS PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0 REMARKS Command W 0 0 0 0 1 1 1 0 *Note: Registers placed in FIFO Execution Result R PCN-Drive 0 R PCN-Drive 1 R PCN-Drive 2 R PCN-Drive 3 R SRT HUT R HLT ND R SC/EOT R LOCK 0 D3 D2 D1 D0 GAP WGATE R 0 EIS EFIFO POLL FIFOTHR R PRETRK |
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