LPC47M14Q-NC Ver la hoja de datos (PDF) - SMSC -> Microchip
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LPC47M14Q-NC
SMSC -> Microchip
LPC47M14Q-NC Datasheet PDF : 205 Pages
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TABLE OF CONTENTS
1 PIN LAYOUT ..........................................................................................................................................................8
2 PIN CONFIGURATION...........................................................................................................................................9
3 DESCRIPTION OF PIN FUNCTIONS...................................................................................................................10
3.1 BUFFER TYPE DESCRIPTIONS...........................................................................................................................14
3.2 PINS THAT REQUIRE EXTERNAL PULLUP RESISTORS .......................................................................................... 15
4 BLOCK DIAGRAM ...............................................................................................................................................16
5 POWER FUNCTIONALITY...................................................................................................................................17
5.1 VCC POWER..................................................................................................................................................17
5.1.1 3 Volt Operation / 5 Volt Tolerance.........................................................................................................17
5.2 USB POWER..................................................................................................................................................17
5.3 VTR SUPPORT ...............................................................................................................................................17
5.4 VREF PIN .....................................................................................................................................................17
5.5 INTERNAL PWRGOOD ...................................................................................................................................18
5.6 32.768 KHZ TRICKLE CLOCK INPUT..................................................................................................................18
5.7 TRICKLE POWER FUNCTIONALITY......................................................................................................................18
5.8 MAXIMUM CURRENT VALUES............................................................................................................................19
5.9 POWER MANAGEMENT EVENTS (PME/SCI) ......................................................................................................19
6 FUNCTIONAL DESCRIPTION .............................................................................................................................20
6.1 SUPER I/O REGISTERS....................................................................................................................................20
6.2 HOST PROCESSOR INTERFACE (LPC) ...............................................................................................................20
6.3 LPC INTERFACE .............................................................................................................................................21
6.3.1 LPC Interface Signal Definition...............................................................................................................21
6.3.2 LPC Cycles .............................................................................................................................................21
6.3.3 Field Definitions ......................................................................................................................................21
6.3.4 LFRAME# Usage....................................................................................................................................21
6.3.5 I/O Read and Write Cycles .....................................................................................................................22
6.3.6 DMA Read and Write Cycles ..................................................................................................................22
6.3.7 DMA Protocol .........................................................................................................................................22
6.3.8 Power Management................................................................................................................................22
6.3.9 SYNC Protocol .......................................................................................................................................22
6.3.10 LPC Transfer ..........................................................................................................................................23
6.4 USB HUB FUNCTIONAL DESCRIPTION ...............................................................................................................24
6.4.1 USB Downstream Port Selection ............................................................................................................25
6.5 FLOPPY DISK CONTROLLER ....................................................................................................................26
6.5.1 FDC Internal Registers ...........................................................................................................................27
6.5.2 STATUS REGISTER ENCODING ..........................................................................................................37
6.5.3 Instruction Set.........................................................................................................................................43
6.5.4 DATA TRANSFER COMMANDS............................................................................................................50
6.6 SERIAL PORT (UART) ................................................................................................................................60
6.7 INFRARED INTERFACE..............................................................................................................................72
6.8 MPU-401 MIDI UART...................................................................................................................................73
6.8.1 Overview.................................................................................................................................................73
6.8.2 Host Interface .........................................................................................................................................73
6.8.3 MIDI Data Port ........................................................................................................................................74
6.8.4 Status Port..............................................................................................................................................74
6.8.5 MPU-401 Command Controller ..............................................................................................................76
6.8.6 MIDI UART .............................................................................................................................................77
6.8.7 MPU-401 Configuration Registers ..........................................................................................................77
6.9 PARALLEL PORT ........................................................................................................................................78
6.9.1 IBM XT/AT Compatible, Bi-Directional and EPP Modes .........................................................................79
6.9.2 Extended Capabilities Parallel Port.........................................................................................................84
6.10 POWER MANAGEMENT .............................................................................................................................94
6.11 SERIAL IRQ .................................................................................................................................................98
6.12 INTERRUPT GENERATING REGISTERS..............................................................................................................101
6.13 8042 KEYBOARD CONTROLLER DESCRIPTION ................................................................................... 102
6.13.1 Keyboard Interface ............................................................................................................................... 103
6.13.2 External Keyboard and Mouse Interface............................................................................................... 104
6.13.3 Keyboard Power Management ............................................................................................................. 104
6.13.4 Interrupts .............................................................................................................................................. 104
6.13.5 Memory Configurations......................................................................................................................... 104
6.13.6 Register Definitions............................................................................................................................... 105
SMSC DS – LPC47M14X
Page 4
Rev. 03/19/2001
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