IT8673F View Datasheet(PDF) - ITE Tech. INC.
Part Name
Description
Manufacturer
IT8673F Datasheet PDF : 128 Pages
| |||
10.11.33 SMI# Status Register 1 (Index=E2h, Default=00h).................................................................. 39
10.11.34 SMI# Status Register 2 (Index=E3h, Default=00h).................................................................. 40
11. Functional Description ............................................................................................................................. 41
11.1 General Purpose I/O ...........................................................................................................................41
11.2 Advanced Power Supply Control and PME# ......................................................................................42
11.3 FAN Controller ....................................................................................................................................42
11.3.1 Interfaces ..................................................................................................................................... 43
11.3.2 Registers...................................................................................................................................... 43
11.3.3 Operation ..................................................................................................................................... 47
11.4 Floppy Disk Controller (FDC) ..............................................................................................................47
11.4.1 Introduction .................................................................................................................................. 47
11.4.2 Reset............................................................................................................................................ 47
11.4.3 Hardware Reset (RESET Pin) ..................................................................................................... 48
11.4.4 Software Reset (DOR Reset and DSR Reset) ............................................................................ 48
11.4.5 Digital Data Separator ................................................................................................................. 48
11.4.6 Write Precompensation ............................................................................................................... 48
11.4.7 Data Rate Selection ..................................................................................................................... 48
11.4.8 Status, Data and Control Registers ............................................................................................. 48
11.4.9 Controller Phases ........................................................................................................................ 52
11.4.10 Command Set .............................................................................................................................. 56
11.4.11 Data Transfer Commands ........................................................................................................... 66
11.4.12 Control Commands ...................................................................................................................... 69
11.4.13 DMA Transfers............................................................................................................................. 73
11.4.14 Low Power Mode ......................................................................................................................... 73
11.5 Serial Port (UART) Description ...........................................................................................................74
11.5.1 Data Registers ............................................................................................................................. 74
11.5.2 Control Registers: IER, IIR, FCR, DLL, DLM, LCR and MCR ..................................................... 74
11.5.3 Status Registers: LSR and MSR ................................................................................................. 81
11.5.4 Reset............................................................................................................................................ 83
11.5.5 Programming ............................................................................................................................... 83
11.5.6 Software Reset ............................................................................................................................ 83
11.5.7 Clock Input Operation .................................................................................................................. 83
11.5.8 FIFO Interrupt Mode Operation ................................................................................................... 83
11.6 Parallel Port.........................................................................................................................................85
11.6.1 SPP and EPP Modes................................................................................................................... 86
11.6.2 EPP Operation ............................................................................................................................. 87
11.6.3 ECP Mode.................................................................................................................................... 88
11.7 Keyboard Controller (KBC) .................................................................................................................96
11.7.1 Host Interface............................................................................................................................... 96
11.7.2 Data Registers and Status Register ............................................................................................ 97
11.7.3 Keyboard and Mouse Interface.................................................................................................... 97
11.7.4 KIRQ and MIRQ........................................................................................................................... 97
iv
Share Link: 