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FDC37N769 Datasheet(PDF) 4 Page - SMSC Corporation |
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FDC37N769 Datasheet(HTML) 4 Page - SMSC Corporation |
4 / 137 page SMSC DS – FDC37N769 Page 4 of 137 Rev. 02-16-07 DATASHEET Relative Seek...................................................................................................................................... 54 Perpendicular Mode .......................................................................................................................... 55 LOCK................................................................................................................................................. 56 ENHANCED DUMPREG.................................................................................................................. 56 PARALLEL PORT FLOPPY DISK CONTROLLER ......................................................................................... 57 SERIAL PORT (UART) ..................................................................................................................... 58 REGISTER DESCRIPTION ......................................................................................................................... 58 RECEIVE BUFFER REGISTER (RB) ............................................................................................... 59 TRANSMIT BUFFER REGISTER (TB) ............................................................................................. 59 INTERRUPT ENABLE REGISTER (IER) ......................................................................................... 59 INTERRUPT IDENTIFICATION REGISTER (IIR) .......................................................................... 59 FIFO CONTROL REGISTER (FCR)................................................................................................. 61 LINE CONTROL REGISTER (LCR).............................................................................................. 61 MODEM CONTROL REGISTER (MCR) .......................................................................................... 63 LINE STATUS REGISTER (LSR) ......................................................................................................64 MODEM STATUS REGISTER (MSR) ............................................................................................... 65 SCRATCHPAD REGISTER (SCR) .................................................................................................... 66 PROGRAMMABLE BAUD RATE GENERATOR DIVISOR LATCHES ........................................... 66 The Affects of RESET on the UART Registers ................................................................................... 68 FIFO INTERRUPT MODE OPERATION...................................................................................................... 68 FIFO POLLED MODE OPERATION........................................................................................................... 69 NOTES ON SERIAL PORT FIFO MODE OPERATION ................................................................................. 71 GENERAL.......................................................................................................................................... 71 TX AND RX FIFO OPERATION....................................................................................................... 71 INFRARED INTERFACE ................................................................................................................. 71 IRDA SIR/FIR AND ASKIR ................................................................................................................... 72 CONSUMER IR ........................................................................................................................................ 72 HARDWARE INTERFACE.......................................................................................................................... 72 IR HALF DUPLEX TURNAROUND DELAY TIME ....................................................................................... 72 PARALLEL PORT ............................................................................................................................. 74 IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES .............................................. 75 DATA PORT ...................................................................................................................................... 75 STATUS PORT .................................................................................................................................. 75 CONTROL PORT .............................................................................................................................. 76 EPP ADDRESS PORT....................................................................................................................... 77 EPP DATA PORT 0........................................................................................................................... 77 EPP DATA PORT 1........................................................................................................................... 77 EPP DATA PORT 2........................................................................................................................... 77 EPP DATA PORT 3........................................................................................................................... 77 EPP 1.9 OPERATION ........................................................................................................................... 77 Software Constraints ......................................................................................................................... 78 EPP 1.9 Write.................................................................................................................................... 78 EPP 1.9 Read .................................................................................................................................... 78 EPP 1.7 OPERATION ........................................................................................................................... 79 Software Constraints ......................................................................................................................... 79 EPP 1.7 Write.................................................................................................................................... 79 EPP 1.7 Read .................................................................................................................................... 79 EXTENDED CAPABILITIES PARALLEL PORT .............................................................................. 81 Vocabulary ........................................................................................................................................ 81 ISA IMPLEMENTATION STANDARD ............................................................................................. 82 Description ........................................................................................................................................ 82 Register Definitions ........................................................................................................................... 83 OPERATION ..................................................................................................................................... 88 |
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