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FDC37N769 Scheda tecnica(PDF) 3 Page - SMSC Corporation |
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FDC37N769 Scheda tecnica(HTML) 3 Page - SMSC Corporation |
3 / 137 page SMSC DS – FDC37N769 Page 3 of 137 Rev. 02-16-07 DATASHEET TABLE OF CONTENTS GENERAL DESCRIPTION................................................................................................................. 2 PIN CONFIGURATION ...................................................................................................................... 7 PIN DESCRIPTION ............................................................................................................................. 8 BUFFER TYPE PER PIN ........................................................................................................................ 8 BUFFER TYPE SUMMMARY..................................................................................................................... 14 OUTPUT DRIVERS ................................................................................................................................... 14 FUNCTIONAL DESCRIPTION........................................................................................................ 16 HOST PROCESSOR INTERFACE ................................................................................................................ 16 FLOPPY DISK CONTROLLER ....................................................................................................... 16 MODES OF OPERATION .......................................................................................................................... 16 Floppy Modes.................................................................................................................................... 16 Interface Modes ................................................................................................................................16 FLOPPY DISK CONTROLLER INTERNAL REGISTERS................................................................................. 17 STATUS REGISTER A (SRA)......................................................................................................... 17 STATUS REGISTER B (SRB) ............................................................................................................ 18 DIGITAL OUTPUT REGISTER (DOR) ............................................................................................ 20 TAPE DRIVE REGISTER (TDR) ................................................................................................... 22 MAIN STATUS REGISTER (MSR) .................................................................................................... 23 DATA RATE SELECT REGISTER (DSR).......................................................................................... 24 DATA REGISTER (FIFO) ................................................................................................................. 26 DIGITAL INPUT REGISTER (DIR).................................................................................................. 27 CONFIGURATION CONTROL REGISTER (CCR) .......................................................................... 28 STATUS REGISTER ENCODING ................................................................................................................ 29 RESET..................................................................................................................................................... 31 RESET Pin (Hardware Reset) ........................................................................................................... 31 DOR Reset vs. DSR Reset (Software Reset)....................................................................................... 31 DMA TRANSFERS .................................................................................................................................. 31 CONTROLLER PHASES ............................................................................................................................ 31 Command Phase................................................................................................................................ 31 Execution Phase ................................................................................................................................ 32 Result Phase ...................................................................................................................................... 33 COMMAND SET/DESCRIPTIONS............................................................................................................... 33 INSTRUCTION SET................................................................................................................................... 36 DATA TRANSFER COMMANDS ................................................................................................................ 45 Read Data.......................................................................................................................................... 45 Read Deleted Data ............................................................................................................................ 47 Read A Track ..................................................................................................................................... 48 Write Data ......................................................................................................................................... 48 Write Deleted Data............................................................................................................................ 49 Verify ................................................................................................................................................. 49 Format A Track ................................................................................................................................. 49 CONTROL COMMANDS............................................................................................................................ 51 Read ID.............................................................................................................................................. 51 Recalibrate ........................................................................................................................................ 52 Seek.................................................................................................................................................... 52 Sense Interrupt Status........................................................................................................................ 52 Sense Drive Status ............................................................................................................................. 53 Specify ............................................................................................................................................... 53 Configure........................................................................................................................................... 54 Version............................................................................................................................................... 54 |
Codice articolo simile - FDC37N769_07 |
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Descrizione simile - FDC37N769_07 |
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