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.---------------------------------------------------------~. 300 -0.05 -0.68 600 -0.00 -0.16 900 +0.01 -0.06 1200 +0.01 -0.03 1500 +0.00 -0.01 1800 +0.00 +0.00 2100 -0.00 +0.01 2400 -0.01 +0.01 2700 -0.02 +0.01 3000 -0.02 +0.01 z . .... c.n c.n EFFECT OF TRANSFORMER AND CO ON APPARENT Zline II Freq Rline X line Rin Xin NONLOADED LINES. 2W & 4W TERMINATIONS 1 1000 400 -550 792 -620 2 1000 450 -500 839 -527 3 1000 450 -700 946 -819 4 1000 650 -600 1167 -543 5 1000 650 -750 1282 -750 6 1000 850 -500 1334 -275 7 1000 850 -700 1503 -506 8 1000 1050 -300 1383 +69 9 1000 1050 -600 1628 -210 10 1000 1100 -400 1502 +19 MEDIAN LOADED & NONLOADED LINES 11 2000 400 -525 448 -575 12 2000 450 -500 494 -567 13 2500 300 -500 315 -505 14 2500 350 -450 361 -485 NORMALIZED GAIN FROM TXO TO RXIN. dB Kt (TXO to RXIN) and Kr (secondary to RXIN) are relative gains. meanGdb is the average of Gdb for the 14 line terminations. Fc Kt 1000000 0.700 II Rline Kr Xline meanGdb -15.66 GdB NONLOADED LINES. 2W & 4W TERMINATIONS @ 1KHz 1 400 -550 -16.6 2 450 -500 -18.1 3 450 -700 -16.4 4 650 -600 -20.5 5 650 -750 -18.4 6 850 -500 -24.8 7 850 -700 -20.6 8 1050 -300 -26.8 9 1050 -600 -22.0 10 1100 -400 -24.5 MEDIAN LOADED & NONLOADED LINES @ 2 KHz 11 400 -525 -12.4 12 450 -500 -13.1 MEDIAN LOADED AND NONLOADED LINES @2.5 KHZ 13 300 -500 -10.5 14 350 -450 -11.2 TLiH/9442-12 5·47
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~ National ~ Semiconductor 400014 R
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TRADEMARKS Following is the most cu
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II) c ~ ~National ~ ~ Semiconductor
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Table of Contents (Continued) Secti
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Alpha-Numeric Index(continUed) DS36
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Section 1 Local Area Networks IEEE
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~National ~ Semiconductor DP8390C/N
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3.0 Functional Description (Continu
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5.0 Pin Descriptions (Continued) BU
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6.0 Direct Memory Access Control (D
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7.0 Packet Reception (Continued) Re
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8.0 Packet Transmission (Continued)
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10.0 Internal Registers (Continued)
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.----------------------------------
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12.0 Loopback Diagnostics (Continue
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13.0 Bus Arbitration and Timing The
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13.0 Bus Arbitration and Timing (Co
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15.0 Switching Characteristics AC S
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15.0 Switching Characteristics (Con
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AC Timing Test Conditions Input Pul
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2.0 Block Diagram COL CRS PROTOCOL
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4.0 Transmit/Receive Packet Encapsu
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5.0 Pin Descriptions (Continued) BU
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7.0 Packet Reception (Continued) fo
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7.0 Packet Reception (Continued) Er
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9.0 Remote DMA The Remote DMA chann
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11.0 Initialization Procedures (Con
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13.0 Bus Arbitration and Timing The
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15.0 Switching Characteristics AC S
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AC Timing Test Conditions Input Pul
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2.0 Block Diagram TRANSCEIVER CABLE
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PCC Connection Diagram 39.0. 39.0.
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6.0 Absolute Maximum Ratings Recomm
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9.0 Timing and Load Diagrams (Conti
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2.0 Block Diagram COAX CABLE r ____
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~~L ~------------------------------
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6.0 Absolute Maximum Ratings (Note
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I: • • • • • • Interrup
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PAL20LB Decode and DMA Interface Lo
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~ U16/8 R1 R1,R2=4.7k.o. Note: For
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Although Cheapernet is intended for
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The transmitted packet from the SNI
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Truth Table for Various Collision D
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CHEAPERNET APPLICATION WITH THE DP8
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DP8390 Network Interface Controller
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ping between the received address a
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If the current local DMA address ev
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6.2 Dual Port Memory One popular me
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StarLAN With The DP839EB Evaluation
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SUPPORTING DOCUMENTS The following
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Pulse Transformer U3 .----. j " "P>
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ELECTROSTATIC DISCHARGE TEST (ESD)
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Section 2 Contents DP8340INS32440 I
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.. 0 C'I C") en .... z 0 C") GO Go
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~ 'OIl' N CO) (J) Z .... o 'OIl' CO
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Timing Characteristics Oscillator F
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Timing Waveforms (Continued) TA REG
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.. ... ~ ~National ~ ~ Semiconduc
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Detailed Functional Pin Description
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Message Format (Continued) DATA REC
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Timing Characteristics (Notes 2, 6,
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Timing Waveforms (Continued) 4T±(T
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Typical Applications (Continued) +5
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N r--------------------------------
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~ ..,. r---------------------------
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Timing Characteristics (Continued)
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Functional Timing Waveforms (Contin
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Typical Applications (Continued) DA
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C") "Ot "Ot N C") en ...... z C") "
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) r--------------------------------
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Absolute Maximum Ratings (Note 1) I
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(W) r------------------------------
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M r--------------------------------
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MUX~ __________________ The BIPLAN
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U) ,-------------------------------
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~r---------------------------------
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~ .--------------------------------
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An EPROM implementation was selecte
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MASTER MUL TIPLEXING/DE-MUL TIPLEXI
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AN·496 '" 0, '" (U17/ (U23/6) TO 5
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AN-496 t W19 ~ J2-43 I' [; 0 J2-42
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AN·496
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DP8342/DP8343 HIGH SPEED INTERFACE
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2.0 Connection Diagram A13- 12 A12-
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3.0 Pin Descriptions (Continued) Si
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~ ~ 4.0 Electrical Specifications (
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4.0 Electrical Specifications (Cont
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~ ~ 4.0 Electrical Specifications (
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c( '
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~L ______________ ___ ~ ~ 4.0 Elect
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5.0 Instruction Set Overview (Conti
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6.0 Instruction Set Reference (Cont
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~ ,--------------------------------
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~ C') 6.0 Instruction Set Reference
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! 6.0 Instruction Set Reference (Co
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~ ~ 6.0 Instruction Set Reference (
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== ~ 6.0 Instruction Set Reference
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7.0 CPU Registers (Continued) BIT I
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7.0 CPU Registers (Continued) BIRO
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7.0 CPU Registers (Continued) 76543
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7.0 CPU Registers (Continued) BIT D
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7.0 CPU Registers (Continued) BIT D
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8.0 Remote Interface and Arbitratio
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~ ~ HASM state TCU state eLK-OUT RE
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~I tn tn ...._,__'RS A RS, RSC IMEM
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~ 01 CO RASM stat. TCU stat. CLK-OU
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~ ~ I\~"'''' I 'ow = "[OW2-0) , RS
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~ 8l HASM stat. TCU stat. CU- C» b
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.----------------------------------
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10.0 Transceiver (Continued) (a) 32
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10.0 Transceiver (Continued) TABLE
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10.0 Transceiver (Continued) dotted
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10.0 Transceiver (Continued) TABLE
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10.0 Transceiver (Continued) {also
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-----------------------------------
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Decoding Bit Fields with the JRMK I
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Receiver Interrupts/Flags for the D
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****************DA ISR*************
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"Interrupts"-A Powerful Tool of the
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TABLE II. (lCR) Interrupt Mask Bits
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Running the DP8344 with wait states
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» z I U'I Q 01:00 INSTRUCTION ADDR
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WHY EPROM SOFT-LOAD? In a stand-alo
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RESET ~. Timing at Beginning of Ins
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.. I CRYSTAL ~~~.~ I UP TO 64K OP83
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The roll-off frequency, Fro, should
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ceives messages whose first frame a
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RECEIVER INTERRUPT The receiver int
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JMP n LJMP n JMPR Rs JMPI Ptr JRMK
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00044 F90a :J- 226 Z • 227 MOVE A
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l> Z 00074 80BD 2'18 en • 00075 0
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Section 3 ISDN Components
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Introduction To National Semiconduc
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NSC Solutions for Layers 2 and 3 Na
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NSC Solutions: Systems Level Basic
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-----------------------------------
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~National ~ Semiconductor PRELIMINA
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ISDN DEFINITIONS "B" Channel, or DS
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~ '" TE2 UP TO 8 TERMINALS -
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Section 4 Contents INS8250/INS8250-
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m . r------------------------------
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3.0 AC Electrical Characteristics T
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. ID
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5.0 Block Diagram INTERNAL DATA IUS
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6.0 Pin Descriptions (Continued) In
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8.0 Registers (Continued) and 1, on
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8.0 Registers (Continued) 8.5 INTER
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~ &I) o N m Z ::::: o &I) 'Of' o co
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~ Lt) o N co U) Z ::::: o Lt) '
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4.0 Timing Waveforms (Continued) Re
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6.0 Pin Descriptions (Continued) Re
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8.0 Registers The system programmer
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8.0 Registers (Continued) 8.3 PROGR
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8.0 Registers (Continued) Table II
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9.0 Typical Applications (Continued
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Table of Contents 1.0 ABSOLUTE MAXI
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3.0 AC Electrical Characteristics T
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4.0 Timing Waveforms (Continued) Wr
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,----------------------------------
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5.0 Block Diagram AO A, A2 CSD CSI
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6.0 Pin Descriptions (Continued) tr
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... .I>. '" Bit No. TABLE II. Summa
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8.0 Registers (Continued) 8.3 PROGR
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8.0 Registers (Continued) When the
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'" .j>. 01 PHil This shows the basi
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,----------------------------------
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3. The Rx FIFO will hold 16 bytes r
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NS16550A E-J r-o ..... IRQ4 ICU CPU
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TITLE 550APP.ASM - NS16550A INITIAL
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3.0 Board to Board Communications w
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DIAPPS.ASM Flow Chart l> z • ~ CO
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» z I "" CD RDAI: DISABLE IRTS, SE
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COMPARE: SET UP COMPARE BUffER POIN
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.set iCu imsk,lO *aO • set icu -c
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holdloop: nop # br hold loop # # #*
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# msint: save [rO,rl,r2,r3] # movd
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#3/30/B7••••• D2APPS.ASM
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# #*************************** 1655
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-----------------------------------
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A Comparison of the I NS8250, NS 16
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-----------------------------------
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cessed (see Figure 4), The output o
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AC Electrical Characteristics T A =
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~National ~ Semiconductor \ J micro
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1.0 Absolute Maximum Ratings 2.0 Op
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4.0 AC Electrical Characteristics (
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5.0 Timing Waveforms (Continued) ii
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-----------------------------------
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6.0 Connection Diagrams Dual-In-Lln
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8.0 Block Diagram CPU INTERFACE INT
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9.0 Registers (Continued) Bit three
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Page 516: -----------------------------------
Page 519 and 520: Section 5 Contents MM74HC942 300 Ba
Page 521 and 522: Absolute Maximum Ratings (Notes 1 &
Page 523 and 524: fj ::z:: ~ :::IE :::IE ~ ,---------
Page 525 and 526: Applications Information (Continued
Page 527 and 528: Absolute Maximum Ratings (Notes 1 &
Page 529 and 530: Description of Pin Functions Pin No
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Page 533 and 534: ~ r--------------------------------
Page 535 and 536: Electrical Characteristics Unless o
Page 537 and 538: C'I 5 Pin Descriptions (Continued)
Page 539 and 540: IlAV22 RXIN LOCAL OSCILLATOR (L.O.)
Page 541 and 542: Functional Description (Continued)
Page 543 and 544: Functional Description (Continued)
Page 545 and 546: Absolute Maximum Ratings* If Milita
Page 547 and 548: Electrical Characteristics unless o
Page 549 and 550: Functional Description* (Continued)
Page 551 and 552: ,...A212AT RECEIVE FILTER p--------
Page 553 and 554: TABLE III. Remote Digital Loopback
Page 555 and 556: .... ~ ~ U) r----------------------
Page 557 and 558: ..... U) z • U) r----------------
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Page 561 and 562: .,... U) Z 3020 LPRINT USING" 1111
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Page 567 and 568: ,.. i ~~---------------------------
Page 570 and 571: Section 6 Transmission Line Drivers
Page 572 and 573: ~National ~ Semiconductor Transmiss
Page 574 and 575: ~National ~ Semiconductor OS 1488 Q
Page 576 and 577: J?'A National ~ Semiconductor OS 14
Page 578 and 579: ~National ~ Semiconductor DS26C31 C
Page 580 and 581: ~National ~ Semiconductor DS26C32C
Page 582 and 583: ~National ~ Semiconductor DS34C86 Q
Page 584 and 585: ~National ~ Semiconductor PRELIMINA
Page 586 and 587: ~National ~ Semiconductor DS1692/DS
Page 588 and 589: ~National ~ Semiconductor DS75150 D
Page 590 and 591: ~National ~ Semiconductor DS75176A/
Page 592 and 593: -----------------------------------
Page 594 and 595: ~National ~ Semiconductor DS8922/22
Page 596 and 597: ~National ~ Semiconductor DS96172/~
Page 598 and 599: ~National ~ Semiconductor DS961771
Page 600 and 601: ~National ~ Semiconductor DS9637 AI
Page 602 and 603: • I .----------------------------
Page 604 and 605: Section 7 Physical Dimensions
Page 606 and 607: ~National ~ Semiconductor All dimen
Page 608 and 609: NS Package N16A N16A(REV E) 0.092 X
Page 610 and 611: t-------------I:..':::~"':I'-------
Page 612 and 613: 0.11M-0.118 (2.642-2.9971 .. ••
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NOTES
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~National ~ Semiconductor Bookshelf
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RELIABILITY HANDBOOK-1986 Reliabili
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NATIONAL SEMICONDUCTOR CORPORATION
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NATIONAL SEMICONDUCTOR CORPORATION
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~ National ~ Semiconductor
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