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FDC37N869 データシート(PDF) 4 Page - SMSC Corporation |
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FDC37N869 データシート(HTML) 4 Page - SMSC Corporation |
4 / 147 page SMSC DS – FDC37N869 Page 4 Rev. 11/09/2000 TABLE OF CONTENTS GENERAL DESCRIPTION ...................................................................................................................3 PIN CONFIGURATION ........................................................................................................................8 PIN DESCRIPTION .............................................................................................................................9 BUFFER TYPE PER PIN..................................................................................................................9 BUFFER TYPE SUMMARY .................................................................................................................... 15 OUTPUT DRIVERS.............................................................................................................................. 15 FUNCTIONAL DESCRIPTION............................................................................................................ 17 HOST PROCESSOR INTERFACE............................................................................................................. 17 FLOPPY DISK CONTROLLER........................................................................................................... 17 MODES OF OPERATION ...................................................................................................................... 17 Floppy Modes........................................................................................................................... 17 Interface Modes......................................................................................................................... 18 FLOPPY DISK CONTROLLER INTERNAL REGISTERS .................................................................................... 18 STATUS REGISTER A (SRA)..................................................................................................... 18 STATUS REGISTER B (SRB) ..................................................................................................... 21 DIGITAL OUTPUT REGISTER (DOR)........................................................................................... 23 TAPE DRIVE REGISTER (TDR) .................................................................................................. 24 MAIN STATUS REGISTER (MSR) .............................................................................................. 25 DATA RATE SELECT REGISTER (DSR) .................................................................................... 26 DATA REGISTER (FIFO)............................................................................................................ 29 DIGITAL INPUT REGISTER (DIR) ................................................................................................ 29 CONFIGURATION CONTROL REGISTER (CCR) .......................................................................... 31 STATUS REGISTER ENCODING.............................................................................................................. 32 RESET............................................................................................................................................ 33 RESET Pin (Hardware Reset) ..................................................................................................... 34 DOR Reset vs. DSR Reset (Software Reset)................................................................................. 34 DMA TRANSFERS............................................................................................................................. 34 CONTROLLER PHASES ....................................................................................................................... 34 Command Phase........................................................................................................................ 34 Execution Phase ....................................................................................................................... 34 Result Phase ............................................................................................................................. 35 COMMAND SET/DESCRIPTIONS ............................................................................................................. 36 INSTRUCTION SET.............................................................................................................................. 38 DATA TRANSFER COMMANDS .............................................................................................................. 46 Read Data ................................................................................................................................. 46 Read Deleted Data..................................................................................................................... 48 Read A Track ............................................................................................................................ 48 Write Data................................................................................................................................. 49 Write Deleted Data .................................................................................................................... 50 Verify......................................................................................................................................... 50 Format A Track......................................................................................................................... 51 CONTROL COMMANDS ....................................................................................................................... 52 Read ID..................................................................................................................................... 52 Recalibrate................................................................................................................................ 52 Seek ......................................................................................................................................... 53 Sense Interrupt Status ................................................................................................................ 53 Sense Drive Status.................................................................................................................... 54 Specify ..................................................................................................................................... 54 |
同様の部品番号 - FDC37N869 |
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同様の説明 - FDC37N869 |
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