FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 5

• Manufacturer Part Number: FDC37C672QFP
• Description: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
• Manufacturer: SMSC Corporation

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