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FDC37B72X Datasheet(PDF) 3 Page - SMSC Corporation |
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FDC37B72X Datasheet(HTML) 3 Page - SMSC Corporation |
3 / 238 page 3 TABLE OF CONTENTS FEATURES ........................................................................................................................................... 1 GENERAL DESCRIPTION ................................................................................................................. 5 DESCRIPTION OF PIN FUNCTIONS............................................................................................... 7 BUFFER TYPE DESCRIPTIONS............................................................................... 10 GENERAL PURPOSE I/O PINS .......................................................................................................11 REFERENCE DOCUMENTS ............................................................................................................12 FUNCTIONAL DESCRIPTION ..........................................................................................................14 SUPER I/O REGISTERS ........................................................................................... 14 HOST PROCESSOR INTERFACE ............................................................................ 14 FLOPPY DISK CONTROLLER .........................................................................................................15 FDC INTERNAL REGISTERS...........................................................................................................15 COMMAND SET/DESCRIPTIONS ...................................................................................................38 INSTRUCTION SET............................................................................................................................41 DATA TRANSFER COMMANDS ............................................................................... 53 CONTROL COMMANDS ........................................................................................... 62 SERIAL PORT (UART).......................................................................................................................69 INFRARED INTERFACE ........................................................................................... 85 PARALLEL PORT ...............................................................................................................................86 IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES ............................ 88 EXTENDED CAPABILITIES PARALLEL PORT .............................................................................94 OPERATION ............................................................................................................ 102 PARALLEL PORT FLOPPY DISK CONTROLLER ......................................................................107 POWER MANAGEMENT .................................................................................................................109 UART POWER MANAGEMENT .............................................................................. 113 PARALLEL PORT .................................................................................................... 113 INTERNAL PWRGOOD ........................................................................................... 113 32.768 KHZ STANDBY CLOCK OUTPUT ................................................................ 114 SERIAL IRQ .......................................................................................................................................115 BIOS BUFFER ...................................................................................................................................120 GENERAL PURPOSE I/O................................................................................................................121 DESCRIPTION......................................................................................................... 121 RUN STATE GPIO DATA REGISTER ACCESS...................................................... 122 GPIO CONFIGURATION ......................................................................................... 122 WATCH DOG TIMER .......................................................................................................................126 |
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