W83977EF Datasheet, PDF (5/150 Pages) Winbond – WINBOND I/O

W83977EF
6.6.1
6.6.2
6.6.3
Keyboard Wake-Up Function .......................................................................................... 75
Keyboard Password Wake-Up Function ........................................................................ 75
Mouse Wake-Up Function ............................................................................................... 75
7.0 GENERAL PURPOSE I/O .............................................................................................................. 76
7.1 BASIC I/O FUNCTIONS................................................................................................................ 78
7.2 ALTERNATE I/O FUNCTIONS....................................................................................................... 80
7.2.1 Interrupt Steering ............................................................................................................. 80
7.2.2 Watch Dog Timer Output................................................................................................. 81
7.2.3 Power LED....................................................................................................................... 81
7.2.4 General Purpose Address Decoder ................................................................................ 81
8.0 PLUG AND PLAY CONFIGURATION....................................................................................... 82
8.1 COMPATIBLE PNP ..................................................................................................................... 82
8.1.1 Extended Function Registers .......................................................................................... 82
8.1.2 Extended Functions Enable Registers (EFERs) ............................................................. 83
8.1.3 Extended Function Index Registers (EFIRs), Extended Function Data Registers(EFDRs)
83
8.2 CONFIGURATION SEQUENCE.......................................................................................................... 83
8.2.1 Enter the extended function mode ........................................................................................ 83
8.2.2 Configurate the configuration registers ................................................................................. 84
8.2.3 Exit the extended function mode........................................................................................... 84
8.2.4 Software programming example ........................................................................................... 84
9.0 ACPI REGISTERS FEATURES................................................................................................. 85
10.0 CONFIGURATION REGISTER ................................................................................................... 86
10.1 CHIP (GLOBAL) CONTROL REGISTER ............................................................................................ 86
10.2 LOGICAL DEVICE 0 (FDC) ........................................................................................................... 92
10.3 LOGICAL DEVICE 1 (PARALLEL PORT) .......................................................................................... 96
10.4 LOGICAL DEVICE 2 (UART A)¢) .................................................................................................. 96
10.5 LOGICAL DEVICE 3 (UART B) ..................................................................................................... 97
10.6 LOGICAL DEVICE 5 (KBC) ......................................................................................................... 100
10.7 LOGICAL DEVICE 7 (GP I/O PORT I) .......................................................................................... 101
10.8 LOGICAL DEVICE 8 (GP I/O PORT II) ......................................................................................... 105
10.9 LOGICAL DEVICE A (ACPI) ........................................................................................................ 110
11.0 SPECIFICATIONS ...................................................................................................................... 117
11.1 ABSOLUTE MAXIMUM RATINGS................................................................................................... 117
11.2 DC CHARACTERISTICS........................................................................................................ 117
11.3 AC CHARACTERISTICS .............................................................................................................. 121
11.3.1 FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec. ................................................... 121
11.3.2 UART/Parallel Port........................................................................................................... 123
11.3.3 Parallel Port Mode Parameters........................................................................................ 123
11.3.4 EPP Data or Address Read Cycle Timing Parameters ................................................... 124
11.3.5 EPP Data or Address Write Cycle Timing Parameters.................................................... 125
11.3.6 Parallel Port FIFO Timing Parameters............................................................................. 126
11.3.7 ECP Parallel Port Forward Timing Parameters ............................................................... 126
11.3.8 ECP Parallel Port Reverse Timing Parameters ............................................................... 126
Publication Release Date: April 2003
-IV -
Revision 1.1