IT8712F datasheet(12/189 Pages) ITE

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IT8712F V0.81

IT8712F

9.6.5

Digital Data Separator ..........................................................................................................92

9.6.6

Write Precompensation ........................................................................................................ 92

9.6.7

Data Rate Selection.............................................................................................................. 92

9.6.8

Status, Data and Control Registers ...................................................................................... 93

9.6.8.1

Digital Output Register (DOR, FDC Base Address + 02h) ...................................... 93

9.6.8.2

Tape Drive Register (TDR, FDC Base Address + 03h) ........................................... 93

9.6.8.3

Main Status Register (MSR, FDC Base Address + 04h) ......................................... 93

9.6.8.4

Data Rate Select Register (DSR, FDC Base Address + 04h) ................................. 95

9.6.8.5

Data Register (FIFO, FDC Base Address + 05h) .................................................... 96

9.6.8.6

Digital Input Register (DIR, FDC Base Address + 07h) ........................................... 96

9.6.8.7

Diskette Control Register (DCR, FDC Base Address + 07h)................................... 96

9.6.9

Controller Phases ................................................................................................................. 97

9.6.9.1

Command Phase ..................................................................................................... 97

9.6.9.2

Execution Phase ...................................................................................................... 97

9.6.9.3

Result Phase............................................................................................................ 97

9.6.9.4

Result Phase Status Registers ................................................................................ 97

9.6.10 Command Set .................................................................................................................... 100

9.6.11 Data Transfer Commands .................................................................................................. 110

9.6.11.1 Read Data.............................................................................................................. 110

9.6.11.2 Read Deleted Data ................................................................................................ 111

9.6.11.3 Read a Track ......................................................................................................... 111

9.6.11.4 Write Data.............................................................................................................. 111

9.6.11.5 Write Deleted Data ................................................................................................ 111

9.6.11.6 Format A Track ...................................................................................................... 111

9.6.11.7 SCAN ..................................................................................................................... 112

9.6.11.8 VERIFY .................................................................................................................. 113

9.6.12 Control Commands ............................................................................................................ 113

9.6.12.1 READ ID ................................................................................................................ 114

9.6.12.2 Configure ............................................................................................................... 114

9.6.12.3 RE-CALIBRATE..................................................................................................... 114

9.6.12.4 SEEK ..................................................................................................................... 115

9.6.12.5 RELATIVE SEEK ................................................................................................... 115

9.6.12.6 DUMPREG............................................................................................................. 115

9.6.12.7 LOCK ..................................................................................................................... 115

9.6.12.8 VERSION............................................................................................................... 115

9.6.12.9 SENSE INTERRUPT STATUS.............................................................................. 116

9.6.12.10 SENSE DRIVE STATUS ....................................................................................... 116

9.6.12.11 SPECIFY................................................................................................................ 116

9.6.12.12 PERPENDICULAR MODE..................................................................................... 117

9.6.12.13 INVALID ................................................................................................................. 118

9.6.13 DMA Transfers ................................................................................................................... 118

9.6.14 Low Power Mode ................................................................................................................ 118

9.7

Serial Port (UART) Description ....................................................................................................... 119

9.7.1

Data Registers.................................................................................................................... 119

9.7.2

Control Registers: IER, IIR, FCR, DLL, DLM, LCR and MCR ............................................ 119

9.7.3

Status Registers: LSR and MSR ........................................................................................ 125

9.7.4

Reset .................................................................................................................................. 127

9.7.5

Programming ...................................................................................................................... 127

9.7.6

Software Reset ................................................................................................................... 127

9.7.7

Clock Input Operation......................................................................................................... 127

9.7.8

FIFO Interrupt Mode Operation .......................................................................................... 128

9.8

Smart Card Reader ......................................................................................................................... 129

9.8.1

Features ............................................................................................................................. 129

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