W83977ATF-AW 查看數據表（PDF） - Winbond
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W83977ATF-AW Datasheet PDF : 198 Pages
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W83977ATF/W83977ATG
8.3.16 Programmed I/O (NON-DMA) Mode.....................................................................................97
8.4 Extension FDD Mode (EXTFDD) ........................................................................................ 97
8.5 Extension 2FDD Mode (EXT2FDD) .................................................................................... 97
9. KEYBOARD CONTROLLER ......................................................................................................... 98
9.1 Output Buffer ....................................................................................................................... 98
9.2 Input Buffer .......................................................................................................................... 98
9.3 Status Register .................................................................................................................... 99
9.4 Commands .......................................................................................................................... 99
9.5 HARDWARE GATEA20/KEYBOARD RESET CONTROL LOGIC ................................... 101
9.5.1 KB Control Register (Logic Device 5, CR-F0).....................................................................101
9.5.2 Port 92 Control Register (Default Value = 0x24) ................................................................102
10. GENERAL PURPOSE I/O ........................................................................................................... 103
10.1 Basic I/O functions ............................................................................................................ 105
10.2 Alternate I/O Functions...................................................................................................... 107
10.2.1 Interrupt Steering................................................................................................................107
10.2.2 Watch Dog Timer Output....................................................................................................108
10.2.3 Power LED .........................................................................................................................108
10.2.4 General Purpose Address Decoder....................................................................................108
10.2.5 General Purpose Write Strobe ...........................................................................................108
11. PLUG AND PLAY CONFIGURATION......................................................................................... 109
11.1 Compatible PnP................................................................................................................. 109
11.1.1 Extended Function Registers..............................................................................................109
11.1.2 Extended Functions Enable Registers (EFERs) .................................................................110
11.1.3 Extended Function Index Registers (EFIRs), Extended Function Data Registers (EFDRs)110
11.2 Configuration Sequence.................................................................................................... 110
12. ACPI REGISTERS FEATURES .................................................................................................. 112
12.1 SMI to SCI/SCI to SMI and Bus Master ............................................................................ 113
12.2 Power Management Timer ................................................................................................ 114
12.3 ACPI Registers (ACPIRs).................................................................................................. 115
12.3.1 Power Management 1 Status Register 1 (PM1STS1) ........................................................115
12.3.2 Power Management 1 Status Register 2 (PM1STS2) ........................................................116
12.3.3 Power Management 1 Enable Register 1(PM1EN1)...........................................................117
12.3.4 Power Management 1 Enable Register 2 (PM1EN2)..........................................................117
12.3.5 Power Management 1 Control Register 1 (PM1CTL1) .......................................................118
12.3.6 Power Management 1 Control Register 2 (PM1CTL2) .......................................................118
12.3.7 Power Management 1 Control Register 3 (PM1CTL3) .......................................................119
12.3.8 Power Management 1 Control Register 4 (PM1CTL4) .......................................................119
12.3.9 Power Management 1 Timer 1 (PM1TMR1) .......................................................................120
12.3.10 Power Management 1 Timer 2 (PM1TMR2) .......................................................................120
12.3.11 Power Management 1 Timer 3 (PM1TMR3) .......................................................................121
12.3.12 Power Management 1 Timer 4 (PM1TMR4) .......................................................................121
Publication Release Date: May 2006
-V-
Revision 0.6
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