IT8702F 查看數據表（PDF） - Unspecified

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IT8702F

Super – Low Pin Count Input / Output (LPC I/O)

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Contents

9.5.3.3 Interrupt of the FAN Controller ................................................................................ 78

9.6 Floppy Disk Controller (FDC)............................................................................................................ 79

9.6.1 Introduction........................................................................................................................... 79

9.6.2 Reset .................................................................................................................................... 79

9.6.3 Hardware Reset (LRESET# Pin).......................................................................................... 79

9.6.4 Software Reset (DOR Reset and DSR Reset)..................................................................... 79

9.6.5 Digital Data Separator .......................................................................................................... 79

9.6.6 Write Precompensation ........................................................................................................ 79

9.6.7 Data Rate Selection ............................................................................................................. 79

9.6.8 Status, Data and Control Registers...................................................................................... 80

9.6.8.1 Digital Output Register (DOR, FDC Base Address + 02h)...................................... 80

9.6.8.2 Tape Drive Register (TDR, FDC Base Address + 03h) .......................................... 80

9.6.8.3 Main Status Register (MSR, FDC Base Address + 04h) ........................................ 80

9.6.8.4 Data Rate Select Register (DSR, FDC Base Address + 04h)................................. 81

9.6.8.5 Data Register (FIFO, FDC Base Address + 05h).................................................... 82

9.6.8.6 Digital Input Register (DIR, FDC Base Address + 07h) .......................................... 82

9.6.8.7 Diskette Control Register (DCR, FDC Base Address + 07h) .................................. 83

9.6.9 Controller Phases................................................................................................................. 83

9.6.9.1 Command Phase ..................................................................................................... 83

9.6.9.2 Execution Phase...................................................................................................... 83

9.6.9.3 Result Phase ........................................................................................................... 83

9.6.9.4 Result Phase Status Registers................................................................................ 84

9.6.10 Command Set ...................................................................................................................... 86

9.6.11 Data Transfer Commands.................................................................................................... 96

9.6.11.1 Read Data................................................................................................................ 96

9.6.11.2 Read Deleted Data .................................................................................................. 97

9.6.11.3 Read a Track ........................................................................................................... 97

9.6.11.4 Write Data................................................................................................................ 97

9.6.11.5 Write Deleted Data .................................................................................................. 97

9.6.11.6 Format A Track ........................................................................................................ 97

9.6.11.7 SCAN....................................................................................................................... 98

9.6.11.8 VERIFY.................................................................................................................... 99

9.6.12 Control Commands .............................................................................................................. 99

9.6.12.1 READ ID ................................................................................................................ 100

9.6.12.2 Configure ............................................................................................................... 100

9.6.12.3 RE-CALIBRATE..................................................................................................... 100

9.6.12.4 SEEK ..................................................................................................................... 101

9.6.12.5 RELATIVE SEEK................................................................................................... 101

9.6.12.6 DUMPREG ............................................................................................................ 101

9.6.12.7 LOCK ..................................................................................................................... 101

9.6.12.8 VERSION............................................................................................................... 101

9.6.12.9 SENSE INTERRUPT STATUS.............................................................................. 102

9.6.12.10 SENSE DRIVE STATUS ....................................................................................... 102

9.6.12.11 SPECIFY ............................................................................................................... 102

9.6.12.12 PERPENDICULAR MODE .................................................................................... 103

9.6.12.13 INVALID................................................................................................................. 104

9.6.13 DMA Transfers ................................................................................................................... 104

9.6.14 Low Power Mode................................................................................................................ 104

9.7 Serial Port (UART) Description....................................................................................................... 105

9.7.1 Data Registers.................................................................................................................... 105

9.7.2 Control Registers: IER, IIR, FCR, DLL, DLM, LCR and MCR ........................................... 105

9.7.3 Status Registers: LSR and MSR........................................................................................ 111

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