LPC47M172 datasheet(5/227 Pages) SMSC

5 / 227 page

Advanced I/O Controller with Motherboard GLUE Logic

Datasheet

SMSC/Non-SMSC Register Sets (Rev. 02-27-04)

Page 5

SMSC LPC47M172

DATASHEET

6.8

Data Transfer Termination .........................................................................................................................54

6.9

Result Phase..............................................................................................................................................54

6.10

Command Set/Descriptions ....................................................................................................................54

6.10.1

Instruction Set..................................................................................................................................57

6.11

Data Transfer Commands ......................................................................................................................63

6.11.1

Read Data .......................................................................................................................................63

6.12

Read Deleted Data .................................................................................................................................64

6.13

Read A Track..........................................................................................................................................65

6.14

Write Data...............................................................................................................................................66

6.15

Write Deleted Data .................................................................................................................................66

6.16

Verify ......................................................................................................................................................66

6.17

Format A Track .......................................................................................................................................67

6.18

Control Commands.................................................................................................................................69

6.18.1

Read ID ...........................................................................................................................................69

6.18.2

Recalibrate ......................................................................................................................................69

6.18.3

Seek ................................................................................................................................................69

6.19

Sense Interrupt Status ............................................................................................................................70

6.20

Sense Drive Status .................................................................................................................................71

6.21

Specify....................................................................................................................................................71

6.22

Configure ................................................................................................................................................71

6.22.1

Configure Default Values.................................................................................................................71

6.23

Version ...................................................................................................................................................72

6.24

Relative Seek .........................................................................................................................................72

6.25

Perpendicular Mode................................................................................................................................73

6.26

Lock ........................................................................................................................................................74

6.27

Enhanced DUMPREG ............................................................................................................................75

6.27.1

Compatibility ....................................................................................................................................75

6.28

Serial Port (UART)..................................................................................................................................75

6.28.1

Register Description ........................................................................................................................75

6.28.2

Receive Buffer Register (RB) ..........................................................................................................76

6.28.3

Transmit Buffer Register (TB)..........................................................................................................76

6.28.4

Interrupt Enable Register (IER) .......................................................................................................76

6.28.5

FIFO Control Register (FCR)...........................................................................................................77

6.28.6

Interrupt Identification Register (IIR)................................................................................................77

6.28.7

Line Control Register (LCR) ............................................................................................................79

6.28.8

Modem Control Register (MCR) ......................................................................................................80

6.28.9

Line Status Register (LSR) ..............................................................................................................81

6.28.10

Modem Status Register (MSR)........................................................................................................82

6.28.11

Scratchpad Register (SCR) .............................................................................................................83

6.29

Programmable Baud Rate Generator (And Divisor Latches DLH, DLL) .................................................83

6.29.1

Effect Of The Reset on Register File ...............................................................................................84

6.29.2

FIFO Interrupt Mode Operation .......................................................................................................84

6.29.3

FIFO Polled Mode Operation...........................................................................................................85

Chapter 7

Notes On Serial Port Operation ........................................................................................... 89

7.1

FIFO Mode Operation: ...............................................................................................................................89

7.1.1

General ...............................................................................................................................................89

7.1.2

TX and RX FIFO Operation.................................................................................................................89

7.2

Infrared Interface........................................................................................................................................90

7.3

Parallel Port................................................................................................................................................90

7.4

IBM XT/AT Compatible, Bi-Directional and EPP Modes.............................................................................92

7.4.1

Data Port.............................................................................................................................................92

7.4.2

Status Port ..........................................................................................................................................92

7.4.3

Control Port.........................................................................................................................................93

7.4.4

EPP Address Port ...............................................................................................................................94

7.4.5

EPP Data Port 0..................................................................................................................................94

7.4.6

EPP Data Port 1..................................................................................................................................94

7.4.7

EPP Data Port 2..................................................................................................................................94

7.4.8

EPP Data Port 3..................................................................................................................................95

7.5

EPP 1.9 Operation .....................................................................................................................................95

7.5.1

Software Constraints...........................................................................................................................95

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