FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 3
FDC37B78X
Manufacturer Part Number
FDC37B78X
Description
Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
Manufacturer
SMSC Corporation
Datasheet
1.FDC37B78X.pdf
(258 pages)
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FEATURES.......................................................................................................................... 1
GENERAL DESCRIPTION................................................................................................... 5
DESCRIPTION OF PIN FUNCTIONS .................................................................................. 7
BUFFER TYPE DESCRIPTIONS........................................................................................12
REFERENCE DOCUMENTS ..............................................................................................14
FUNCTIONAL DESCRIPTION ............................................................................................15
FLOPPY DISK CONTROLLER ...........................................................................................16
SERIAL PORT (UART) .......................................................................................................71
INFRARED INTERFACE.....................................................................................................87
PARALLEL PORT ...............................................................................................................88
IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES ......................................90
EXTENDED CAPABILITIES PARALLEL PORT ..................................................................96
POWER MANAGEMENT..................................................................................................111
BIOS BUFFER..................................................................................................................122
GENERAL PURPOSE I/O.................................................................................................123
8042 KEYBOARD CONTROLLER DESCRIPTION ...........................................................129
RTC INTERFACE .............................................................................................................138
SOFT POWER MANAGEMENT .......................................................................................148
ACPI/PME/SMI FEATURES..............................................................................................152
SUPER I/O REGISTERS.................................................................................................15
HOST PROCESSOR INTERFACE..................................................................................15
PARALLEL PORT FLOPPY DISK CONTROLLER.........................................................109
ACPI/PME/SMI REGISTERS.........................................................................................155
FDC INTERNAL REGISTERS......................................................................................16
COMMAND SET/DESCRIPTIONS...............................................................................41
Force Write Protect ......................................................................................................70
REGISTER DESCRIPTION..........................................................................................71
FDC Power Management ...........................................................................................111
UART Power Management.........................................................................................115
Parallel Port ...............................................................................................................115
V
V
Internal PWRGOOD...................................................................................................116
CIRCC PLL Power Control .........................................................................................116
32.768 kHz Standby Clock Output..............................................................................116
Description .................................................................................................................123
RUN STATE GPIO DATA REGISTER ACCESS ........................................................125
GPIO OPERATION....................................................................................................127
ACPI Features............................................................................................................152
Wake Events..............................................................................................................153
PME SUPPORT.........................................................................................................154
Register Description ...................................................................................................155
Wakeup Event Configuration is Retained by Battery Power........................................155
Register Block............................................................................................................156
BAT
TR
Support................................................................................................................115
Support...............................................................................................................115
TABLE OF CONTENTS
3
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