Description...............................................................................................................................
123
RUN STATE GPIO DATA REGISTER ACCESS................................................................
123
GPIO OPERATION
.................................................................................................................. 127
8042 KEYBOARD CONTROLLER DESCRIPTION
................................................................... 130
RTC INTERFACE.............................................................................................................................
138
SOFT POWER MANAGEMENT....................................................................................................
148
ACPI/PME/SMI FEATURES...........................................................................................................
152
ACPI Features..........................................................................................................................
152
Wake Events
............................................................................................................................. 153
PME SUPPORT........................................................................................................................
154
ACPI/PME/SMI REGISTERS......................................................................................................
154
Register Description.................................................................................................................
154
Wakeup Event Configuration is Retained by Battery Power
...................................... 156
Register Block.........................................................................................................................
156
ACPI REGISTERS
................................................................................................................... 157
CONFIGURATION
........................................................................................................................... 168
SYSTEM ELEMENTS
.................................................................................................................. 168
Entering the Configuration State........................................................................................
149
Exiting the Configuration State
.......................................................................................... 149
CONFIGURATION SEQUENCE............................................................................................
149
CONFIGURATION REGISTERS
................................................................................................... 172
Chip Level (Global) Control/Configuration Registers [0x00-0x2F]............................
176
Logical Device Configuration/Control Registers [0x30-0xFF]
.................................... 179
Logical Device Registers......................................................................................................
179
I/O Base Address Configuration Register........................................................................
181
Interrupt Select Configuration Register
........................................................................... 183
DMA Channel Select Configuration Register..................................................................
184
SMSC Defined Logical Device Configuration Registers
.............................................. 185
Parallel Port, Logical Device 3
............................................................................................ 188
Serial Port 1, Logical Device 4
............................................................................................ 189
Serial Port 2, Logical Device 5
............................................................................................ 191
RTC, Logical Device 6
........................................................................................................... 192
KYBD, Logical Device 7
........................................................................................................ 193
Auxiliary I/O, Logical Device 8
............................................................................................ 194
ACPI, Logical Device A
......................................................................................................... 212
OPERATIONAL DESCRIPTION
................................................................................................... 218
MAXIMUM GUARANTEED RATINGS
...................................................................................... 218
DC ELECTRICAL CHARACTERISTICS
................................................................................... 218
4
SMSC [ SMSC CORPORATION ]
