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PC87303VUL Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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PC87303VUL Datasheet(HTML) 4 Page - National Semiconductor (TI) |
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4 / 114 page  Table of Contents (Continued) 60 SERIAL PORTS 65 61 Serial Port Registers 65 62 Line Control Register 65 63 Programmable Baud Rate Generator 68 64 Line Status Register 69 65 FIFO Control Register 70 66 Interrupt Identification Register 70 67 Interrupt Enable Register 70 68 MODEM Control Register 70 69 MODEM Status Register 72 610 Scratchpad Register 72 70 PARALLEL PORT 72 71 Introduction 72 72 Data Register (DTR) 73 73 Status Register (STR) 73 74 Control Register (CTR) 74 75 Enhanced Parallel Port Operation 74 76 Extended Capabilities Parallel Port 79 761 Introduction 79 762 Software Operation 80 77 Register Definitions 80 78 Software Controlled Data Transfer 82 79 Automatic Data Transfer 82 791 Forward Direction 82 792 ECP Forward Write Cycle 82 793 Backward Direction 82 794 ECP Backward Read Cycle 82 710 FIFO Test Access (Mode 110) 83 711 Configuration Registers Access 83 712 Interrupt Generation 83 80 INTEGRATED DEVICE ELECTRONICS INTERFACE (IDE) 83 81 Introduction 83 82 IDE Signals 83 90 KEYBOARD CONTROLLER AND REAL-TIME CLOCK 85 91 PC87303 KBC Function 85 911 Host System Interface 86 912 Program Memory 87 913 Data Memory and Registers 87 914 IO Interface 88 915 TimerCounter 89 916 Interrupts 89 917 Oscillator and Instruction Timing 90 92 Real Time Clock Function 91 921 Memory Map 91 922 Bus Interface 91 923 Time Generation 91 924 Time Keeping 92 925 RAM 93 926 Power Management 93 927 System Bus Lock Out and Power-Up Detection 93 928 Oscillator 93 929 Interrupt Handling 93 9210 Control Registers 94 100 ELECTRICAL CHARACTERISTICS 96 101 DC Electrical Characteristics 96 1011 Microprocessor Parallel Port and IDE Interface Pins 97 1012 Disk Interface Pins 97 1013 Oscillator Pins 97 1014 Parallel Port Pins 97 1015 Keyboard Controller and Real-Time Clock Pins 98 102 AC Electrical Characteristics 98 1021 AC Test Conditions 98 1022 Clock Timing 99 1023 Microprocessor Interface Timing 100 1024 Baud Out Timing 102 1025 Transmitter Timing 102 1026 Receiver Timing 103 1027 MODEM Control Timing 104 1028 DMA Timing 105 1029 Reset Timing 107 10210 FDC Write Data Timing 107 10211 FDC Read Data Timing 108 10212 Drive Control Timing 108 10213 IDE Timing 108 10214 Parallel Port Timing 109 10215 Enhanced Parallel Port Timing 110 10216 Extended Capabilities Port Timing 111 10217 RTC 112 10218 Programmable Chip Select Timing 113 4 |
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Similar Description - PC87303VUL |
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