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LPC47M172 Datasheet PDF : 226 Pages
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Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
6.9 Result Phase..............................................................................................................................................53
6.10 Command Set/Descriptions ....................................................................................................................53
6.10.1 Instruction Set..................................................................................................................................56
6.11 Data Transfer Commands ......................................................................................................................62
6.11.1 Read Data .......................................................................................................................................62
6.12 Read Deleted Data .................................................................................................................................63
6.13 Read A Track..........................................................................................................................................64
6.14 Write Data...............................................................................................................................................65
6.15 Write Deleted Data .................................................................................................................................65
6.16 Verify ......................................................................................................................................................65
6.17 Format A Track .......................................................................................................................................66
6.18 Control Commands.................................................................................................................................68
6.18.1 Read ID ...........................................................................................................................................68
6.18.2 Recalibrate ......................................................................................................................................68
6.18.3 Seek ................................................................................................................................................68
6.19 Sense Interrupt Status ............................................................................................................................69
6.20 Sense Drive Status .................................................................................................................................70
6.21 Specify....................................................................................................................................................70
6.22 Configure ................................................................................................................................................70
6.22.1 Configure Default Values.................................................................................................................70
6.23 Version ...................................................................................................................................................71
6.24 Relative Seek .........................................................................................................................................71
6.25 Perpendicular Mode................................................................................................................................72
6.26 Lock ........................................................................................................................................................73
6.27 Enhanced DUMPREG ............................................................................................................................74
6.27.1 Compatibility ....................................................................................................................................74
6.28 Serial Port (UART)..................................................................................................................................74
6.28.1 Register Description ........................................................................................................................74
6.28.2 Receive Buffer Register (RB) ..........................................................................................................75
6.28.3 Transmit Buffer Register (TB)..........................................................................................................75
6.28.4 Interrupt Enable Register (IER) .......................................................................................................75
6.28.5 FIFO Control Register (FCR)...........................................................................................................76
6.28.6 Interrupt Identification Register (IIR)................................................................................................76
6.28.7 Line Control Register (LCR) ............................................................................................................78
6.28.8 Modem Control Register (MCR) ......................................................................................................79
6.28.9 Line Status Register (LSR) ..............................................................................................................80
6.28.10 Modem Status Register (MSR)........................................................................................................81
6.28.11 Scratchpad Register (SCR) .............................................................................................................82
6.29 Programmable Baud Rate Generator (And Divisor Latches DLH, DLL) .................................................82
6.29.1 Effect Of The Reset on Register File ...............................................................................................83
6.29.2 FIFO Interrupt Mode Operation .......................................................................................................83
6.29.3 FIFO Polled Mode Operation...........................................................................................................84
Chapter 7 Notes On Serial Port Operation ........................................................................................... 88
7.1 FIFO Mode Operation: ...............................................................................................................................88
7.1.1 General ...............................................................................................................................................88
7.1.2 TX and RX FIFO Operation.................................................................................................................88
7.2 Infrared Interface ........................................................................................................................................89
7.3 Parallel Port................................................................................................................................................89
7.4 IBM XT/AT Compatible, Bi-Directional and EPP Modes.............................................................................91
7.4.1 Data Port .............................................................................................................................................91
7.4.2 Status Port ..........................................................................................................................................91
7.4.3 Control Port .........................................................................................................................................92
7.4.4 EPP Address Port ...............................................................................................................................93
7.4.5 EPP Data Port 0..................................................................................................................................93
7.4.6 EPP Data Port 1..................................................................................................................................93
7.4.7 EPP Data Port 2..................................................................................................................................93
7.4.8 EPP Data Port 3..................................................................................................................................94
7.5 EPP 1.9 Operation .....................................................................................................................................94
7.5.1 Software Constraints...........................................................................................................................94
7.6 EPP 1.9 Write.............................................................................................................................................94
SMSC/Non-SMSC Register Sets (Rev. 01-11-07)
Page 4
DATASHEET
SMSC LPC47M172
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