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FDC37N972 Arkusz danych(PDF) 5 Page - SMSC Corporation |
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FDC37N972 Arkusz danych(HTML) 5 Page - SMSC Corporation |
5 / 390 page 5 FDD INTERFACE PINS...............................................................................................................134 UART POWER MANAGEMENT ..................................................................................................135 PARALLEL PORT POWER MANAGEMENT................................................................................135 8051 EMBEDDED CONTROLLER .................................................................................................136 8051 FUNCTIONAL OVERVIEW.................................................................................................136 POWERING UP OR RESETTING THE 8051...............................................................................137 CPU RESET SEQUENCE ...........................................................................................................140 8051 CLOCK CONTROLS ..........................................................................................................142 8051 RING OSCILLATOR FAIL-SAFE CONTROLS ....................................................................144 8051 MEMORY MAP...................................................................................................................145 FLASH ROM INTERFACE...........................................................................................................152 8051 CONTROL REGISTERS.....................................................................................................153 8051 CONFIGURATION/CONTROL MEMORY MAPPED REGISTERS .........................................162 8051 INTERRUPTS.....................................................................................................................165 WATCH DOG TIMER .....................................................................................................................183 WDT OPERATION......................................................................................................................183 WDT ACTION .............................................................................................................................183 WDT ACTIVATION .....................................................................................................................183 WDT RESET MECHANISM.........................................................................................................183 WDT MEMORY MAPPED REGISTERS ......................................................................................184 SHARED FLASH INTERFACE .......................................................................................................185 FLASH INTERFACE DIAGRAM...................................................................................................185 SYSTEM MEMORY MAP ............................................................................................................186 KEYBOARD BIOS (KMEM) .........................................................................................................187 SYSTEM BIOS (HMEM) ..............................................................................................................189 HOST FLASH ACCESS ..............................................................................................................189 IDLE MODE ................................................................................................................................195 SLEEP MODE.............................................................................................................................197 WAKE-UP EVENTS ....................................................................................................................201 8042 STYLE HOST INTERFACE.................................................................................................204 KEYBOARD DATA WRITE..........................................................................................................204 8051- TO- HOST KEYBOARD COMMUNICATION ......................................................................205 HOST-TO 8051 KEYBOARD COMMUNICATION ........................................................................206 GATEA20 HARDWARE SPEED-UP ............................................................................................208 SMSC PS/2 LOGIC OVERVIEW .................................................................................................217 SMSC PS/2 MEMORY MAPPED CONTROL REGISTERS ..........................................................218 DEVIL LOGIC OVERVIEW..........................................................................................................225 THE DEVIL PS/2 LOGIC COMMANDS........................................................................................225 DEVIL PS/2 MEMORY MAPPED CONTROL REGISTERS ..........................................................227 |
Podobny numer części - FDC37N972 |
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Podobny opis - FDC37N972 |
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