LPC47M112-MW Standard Microsystems (SMSC), LPC47M112-MW Datasheet - Page 4

• Manufacturer Part Number: LPC47M112-MW
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LPC47M112-MW

• Lead Free Status / RoHS Status: Compliant

Enhanced Super I/O Controller with LPC Interface
Datasheet
17.1
17.2
17.3
18
18.1
18.2
19
20
21
21.1
21.2
22
22.1
22.2
22.3
23
24
24.1
25
25.1
25.2
26
26.1
26.2
27
27.1
27.2
28
29
30
30.1
DC ELECTRICAL CHARACTERISTICS ...................................................................................................................174
31
32
33
33.1
List of Figures
FIGURE 1 - LPC47M112 BLOCK DIAGRAM...............................................................................................................14
FIGURE 2 - MPU-401 MIDI INTERFACE ....................................................................................................................76
FIGURE 3 - MPU-401 INTERRUPT.............................................................................................................................79
FIGURE 4 - MIDI DATA BYTE EXAMPLE ...................................................................................................................81
FIGURE 5 – KEYBOARD LATCH ..............................................................................................................................112
SMSC DS – LPC47M112
22.1.1
PME ................................................................................................................................................................................................119
25.1.1
25.1.2
PRELOAD.......................................................................................................................................................................................128
PARALLEL PORT ............................................................................................................................................82
POWER MANAGEMENT..................................................................................................................................99
Timing Diagrams for SER_IRQ Cycle ..........................................................................................................102
8042 KEYBOARD CONTROLLER DESCRIPTION........................................................................................105
GENERAL PURPOSE I/O...............................................................................................................................114
SYSTEM MANAGEMENT INTERRUPT (SMI) ...............................................................................................121
PME SUPPORT ..............................................................................................................................................122
FAN SPEED CONTROL AND MONITORING ................................................................................................125
SECURITY FEATURE ....................................................................................................................................129
GAME PORT LOGIC ......................................................................................................................................130
RUNTIME REGISTERS ..................................................................................................................................132
CONFIGURATION ..........................................................................................................................................156
OPERATIONAL DESCRIPTION.....................................................................................................................174
TIMING DIAGRAMS .......................................................................................................................................177
PACKAGE OUTLINE......................................................................................................................................201
APPENDIX - TEST MODE ..............................................................................................................................202
MPU-401 Command Controller ...................................................................................................................80
MIDI UART ....................................................................................................................................................81
MPU-401 Configuration Registers ..............................................................................................................81
IBM XT/AT Compatible, Bi-Directional And Epp Modes ...........................................................................83
Extended Capabilities Parallel Port............................................................................................................88
Latches On Keyboard and Mouse IRQs...................................................................................................111
Keyboard and Mouse PME Generation ....................................................................................................113
GPIO Pins ...................................................................................................................................................114
Either Edge Triggered Interrupts..............................................................................................................119
Led Functionality .......................................................................................................................................119
‘Wake On Specific Key’ Option.................................................................................................................123
Fan Speed Control .....................................................................................................................................125
Fan Tachometer Inputs .............................................................................................................................126
GPIO Device Disable Register Control.....................................................................................................129
Device Disable Register ............................................................................................................................129
Power Control Register .............................................................................................................................131
VREF Pin.....................................................................................................................................................131
Maximum Guaranteed Ratings*................................................................................................................174
Board Test Mode........................................................................................................................................202
GPIO Operation ..............................................................................................................................................................117
FANx Registers...............................................................................................................................................................125
Fan Control Register.......................................................................................................................................................126
DATASHEET
Page 4
Rev. 02-16-07