LPC47B34X View Datasheet(PDF) - SMSC -> Microchip
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Description
Manufacturer
LPC47B34X Datasheet PDF : 250 Pages
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TABLE OF CONTENTS
FEATURES ....................................................................................................................................... 1
GENERAL DESCRIPTION ................................................................................................................ 2
PIN CONFIGURATION...................................................................................................................... 6
DESCRIPTION OF PIN FUNCTIONS ................................................................................................ 7
Buffer Type Descriptions .............................................................................................................. 11
3.3 Volt Operation /5 Volt Tolerance ............................................................................................. 12
Pins That Require External Pullup Resistors ................................................................................. 13
POWER FUNCTIONALITY.............................................................................................................. 14
VCC Power .................................................................................................................................. 14
VTR Support ................................................................................................................................ 14
VBAT Power ................................................................................................................................ 14
Internal PWRGOOD..................................................................................................................... 14
32.768 kHz Trickle Clock Input ..................................................................................................... 14
Indication of 32kHz Clock ............................................................................................................. 15
Internal Ring Oscillator................................................................................................................. 15
Trickle Power Functionality........................................................................................................... 17
Battery Power Functionality .......................................................................................................... 19
Maximum Current Values ............................................................................................................. 19
Power Management Events (PME/SCI) ........................................................................................ 19
FUNCTIONAL DESCRIPTION......................................................................................................... 20
Super I/O Registers...................................................................................................................... 20
Host Processor Interface (LPC) .................................................................................................... 20
LPC Interface ............................................................................................................................... 20
FLOPPY DISK CONTROLLER........................................................................................................ 25
FDC Internal Registers ................................................................................................................. 25
Status Register Encoding ............................................................................................................. 39
DMA Transfers ............................................................................................................................. 43
Controller Phases......................................................................................................................... 43
Command Set/Descriptions.......................................................................................................... 45
Instruction Set.............................................................................................................................. 48
Data Transfer Commands ............................................................................................................ 60
Control Commands ...................................................................................................................... 67
Direct Support for Two Floppy Drives ........................................................................................... 74
SERIAL PORT (UART).................................................................................................................... 76
Register Description ..................................................................................................................... 76
Programmable Baud Rate Generator (AND Divisor Latches DLH, DLL) ........................................ 85
Effect Of The Reset on Register File............................................................................................. 85
FIFO Interrupt Mode Operation..................................................................................................... 85
FIFO Polled Mode Operation ........................................................................................................ 86
Notes On Serial Port Operation .................................................................................................... 90
Ring Wake Filter .......................................................................................................................... 91
INFRARED INTERFACE ................................................................................................................. 92
IR Transmit Pins .......................................................................................................................... 93
PARALLEL PORT........................................................................................................................... 93
IBM XT/AT Compatible, Bi-Directional And EPP Modes ............................................................... 95
EPP 1.9 Operation ....................................................................................................................... 97
EPP 1.7 Operation ....................................................................................................................... 99
Extended Capabilities Parallel Port ..............................................................................................101
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