參數資料
型號： 37C672
廠商： SMSC Corporation
英文描述： ENHANCED SUPER I/O CONTROLLER WITH FAST IR
中文描述： 增強的超級I / O控制器，快速紅外線
文件頁數： 119/173頁
文件大?。?/td> 965K
代理商： 37C672
Enhanced Super I/O Controller with Fast IR
Datasheet
SMSC FDC37C672
Page 5
Rev. 10-29-03
PRELIMINARY DATASHEET
8.4
Enhanced DUMPREG................................................................................................................................61
8.5
Compatibility...............................................................................................................................................62
Chapter 9
Serial Port (UART) ............................................................................................................... 63
9.1
Register Description ...................................................................................................................................63
9.1.1
Receive Buffer Register (RB) ..............................................................................................................64
9.1.2
Transmit Buffer Register (TB) .............................................................................................................64
9.1.3
Interrupt Enable Register (IER) ...........................................................................................................64
9.1.4
FIFO Control Register (FCR) ..............................................................................................................65
9.1.5
Interrupt Identification Register (IIR) ...................................................................................................65
9.1.6
Line Control Register (LCR)................................................................................................................67
9.1.7
Modem Control Register (MCR)..........................................................................................................68
9.1.8
Line Status Register (LSR) .................................................................................................................69
9.1.9
Modem Status Register (MSR) ...........................................................................................................71
9.1.10
Scratchpad Register (SCR) .............................................................................................................72
9.2
Programmable Baud Rate Generator (and Divisor Latches DLH, DLL) .....................................................72
9.2.1
Effect Of The Reset on Register File...................................................................................................72
9.3
FIFO Interrupt Mode Operation ..................................................................................................................72
9.4
FIFO Polled Mode Operation .....................................................................................................................73
9.5
Notes on Serial Port Operation ..................................................................................................................76
9.5.1
FIFO Mode Operation: ........................................................................................................................76
Chapter 10
Infrared Interface .................................................................................................................. 78
Chapter 11
Fast IR.................................................................................................................................. 79
Chapter 12
Parallel Port.......................................................................................................................... 80
12.1
IBM XT/AT Compatible, Bi-Directional and EPP Modes .........................................................................81
12.2
Extended Capabilities Parallel Port.........................................................................................................87
12.2.1
Vocabulary.......................................................................................................................................87
12.3
ISA Implementation Standard.................................................................................................................88
12.3.1
Register Definitions .........................................................................................................................90
12.4
Operation................................................................................................................................................96
12.4.1
Mode Switching/Software Control....................................................................................................96
12.4.2
Data Compression...........................................................................................................................97
12.4.3
Pin Definition ...................................................................................................................................97
12.4.4
ISA Connections..............................................................................................................................97
12.4.5
Interrupts .........................................................................................................................................98
12.4.6
FIFO Operation................................................................................................................................98
12.5
DMA Transfers........................................................................................................................................98
12.5.1
Programmed I/O Mode or Non-DMA Mode .....................................................................................99
12.5.2
Programmed I/O - Transfers from the FIFO to the Host ..................................................................99
12.5.3
Programmed I/O - Transfers from the Host to the FIFO ................................................................100
12.6
Parallel Port Floppy Disk Controller ......................................................................................................100
Chapter 13
Auto Power Management...................................................................................................102
Chapter 14
Serial IRQ...........................................................................................................................106
14.1
Serial Interrupts ....................................................................................................................................106
14.1.1
Timing Diagrams For IRQSER Cycle ............................................................................................106
14.1.2
IRQSER Cycle Control ..................................................................................................................107
14.1.3
IRQSER Data Frame.....................................................................................................................108
14.1.4
Stop Cycle Control.........................................................................................................................108
14.1.5
Latency..........................................................................................................................................109
14.1.6
EOI/ISR Read Latency ..................................................................................................................109
14.1.7
AC/DC Specification Issue ............................................................................................................109
14.1.8
Reset and Initialization ..................................................................................................................109
Chapter 15
GP Index Registers ............................................................................................................110
Chapter 16
Watch Dog Timer ...............................................................................................................111
Chapter 17
8042 Keyboard Controller Description ...............................................................................112
17.1
Keyboard ISA Interface.........................................................................................................................112
17.1.1
Keyboard Data Write .....................................................................................................................113
17.1.2
Keyboard Data Read .....................................................................................................................113
17.1.3
Keyboard Command Write ............................................................................................................113
17.1.4
Keyboard Status Read ..................................................................................................................113
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