LPC47M112_07 SMSC [SMSC Corporation], LPC47M112_07 Datasheet - Page 3

• Manufacturer Part Number: LPC47M112_07
• Description: Enhanced Super I/O Controller with LPC Interface
• Manufacturer: SMSC [SMSC Corporation]

Enhanced Super I/O Controller with LPC Interface
Datasheet
Table of Contents
1
2
3
3.1
3.2
4
5
6
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
8.5
9
9.1
10
11
12
13
14
15
15.1
15.2
16
17
SMSC DS – LPC47M112
8.3.1
8.3.2
8.3.3
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.5.1
ADDRESS.........................................................................................................................................................................................77
General Description..............................................................................................................................................7
PIN CONFIGURATION...........................................................................................................................................8
DESCRIPTION OF PIN FUNCTIONS.....................................................................................................................9
BLOCK DIAGRAM ...............................................................................................................................................14
REFERENCE DOCUMENTS................................................................................................................................15
3 VOLT OPERATION / 5 VOLT TOLERANCE ....................................................................................................16
POWER FUNCTIONALITY...................................................................................................................................17
FUNCTIONAL DESCRIPTION .............................................................................................................................20
FLOPPY DISK CONTROLLER ............................................................................................................................25
Buffer Type Descriptions................................................................................................................................13
Pins That Require External Pullup Resistors................................................................................................13
VCC Power .......................................................................................................................................................17
VTR Support ....................................................................................................................................................17
Internal PWRGOOD .........................................................................................................................................17
32.768 kHz Trickle Clock Input .......................................................................................................................17
Indication of 32kHz Clock ...............................................................................................................................17
Trickle Power Functionality............................................................................................................................18
VREF Pin ..........................................................................................................................................................19
Maximum Current Values ...............................................................................................................................19
Power Management Events (PME/SCI) ..........................................................................................................19
Super I/O Registers .........................................................................................................................................20
Host Processor Interface (LPC) .....................................................................................................................20
LPC INTERFACE..............................................................................................................................................20
Power Management.........................................................................................................................................22
LPC Transfer Sequence Examples ................................................................................................................24
FDC Internal Registers....................................................................................................................................25
COMMAND SET/DESCRIPTIONS ...................................................................................................................41
INSTRUCTION SET ..........................................................................................................................................44
SERIAL PORT (UART) .....................................................................................................................................62
Serial Data........................................................................................................................................................66
INFRARED INTERFACE ..................................................................................................................................75
MPU-401 MIDI UART........................................................................................................................................76
Status Port .......................................................................................................................................................78
Bits[5:0] ............................................................................................................................................................79
Overview.......................................................................................................................................................76
Host Interface...............................................................................................................................................76
LPC Interface Signal Definition.........................................................................................................................................20
LPC Cycles .......................................................................................................................................................................21
Field Definitions ................................................................................................................................................................21
CLOCKRUN Protocol .......................................................................................................................................................22
Typical Usage ...................................................................................................................................................................22
SYNC Timeout..................................................................................................................................................................22
SYNC Patterns and Maximum Number of SYNCS...........................................................................................................22
SYNC Error Indication ......................................................................................................................................................22
Wait State Requirements..................................................................................................................................................24
DATASHEET
Page 4
Rev. 02-16-07