參數(shù)資料
型號: W83977TF(EOL)
英文描述: W83877TF plus KBC. CIR. RTC
中文描述: W83877TF加比聯(lián)。稅務(wù)局局長。時鐘
文件頁數(shù): 7/161頁
文件大?。?/td> 592K
代理商: W83977TF(EOL)
W83977EF/ CTF
PRELIMINARY
Publication Release Date: March 1999
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V
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Revision A1
8.1 COMPATIBLE PNP.................................................................................................................... 90
8.1.1 Extended Function Registers ............................................................................................... 90
8.1.2 Extended Functions Enable Registers (EFERs) ................................................................... 91
8.1.3 Extended Function Index Registers (EFIRs), Extended Function Data Registers(EFDRs) .... 91
8.2 CONFIGURATION SEQUENCE ............................................................................................... 91
8.2.1 Enter the extended function mode........................................................................................ 91
8.2.2 Configurate the configuration registers................................................................................. 92
8.2.3 Exit the extended function mode.......................................................................................... 92
8.2.4 Software programming example........................................................................................... 92
9.0 ACPI REGISTERS FEATURES..........................................................................93
10.0 CONFIGURATION REGISTER........................................................................94
10.1 CHIP (GLOBAL) CONTROL REGISTER.................................................................................. 94
10.2 LOGICAL DEVICE 0 (FDC)....................................................................................................100
10.3 LOGICAL DEVICE 1 (PARALLEL PORT)...............................................................................104
10.4 LOGICAL DEVICE 2 (UART A)
¢)
............................................................................................105
10.5 LOGICAL DEVICE 3 (UART B)...............................................................................................105
10.6 LOGICAL DEVICE 5 (KBC)....................................................................................................108
10.7 LOGICAL DEVICE 6 (CIR)......................................................................................................109
10.8 LOGICAL DEVICE 7 (GP I/O PORT I) ....................................................................................109
10.9 LOGICAL DEVICE 8 (GP I/O PORT II) ...................................................................................113
10.10 LOGICAL DEVICE A (ACPI).................................................................................................118
11.0 SPECIFICATIONS...........................................................................................125
11.1 ABSOLUTE MAXIMUM RATINGS .........................................................................................125
11.2 DC CHARACTERISTICS .......................................................................................................125
11.3 AC CHARACTERISTICS........................................................................................................129
11.3.1 FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec......................................................129
11.3.2 UART/Parallel Port...........................................................................................................131
11.3.3 Parallel Port Mode Parameters ........................................................................................131
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