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37C67X Datasheet(PDF) 8 Page - SMSC Corporation |
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37C67X Datasheet(HTML) 8 Page - SMSC Corporation |
8 / 194 page 8 DESCRIPTION OF PIN FUNCTIONS PIN No./QFP NAME TOTAL SYMBOL BUFFER TYPE 98 Request to Send 2/Sys Addr 12/ Parallel IRQ_5 1 nRTS2/SA12 /IRQ5 O4/I/O24/ OD24 (Note 0) 99 Clear to Send 2/Sys Addr 13/ Parallel IRQ_6 1 nCTS2/SA13 /IRQ6 I/I/O24/ OD24 (Note 0) 100 Data Terminal Ready/Sys Addr 14/ Parallel IRQ_7 1 nDTR2/SA14 /IRQ7 O4/I/O24/ OD24 (Note 0) 97 Data Set Ready 2/Sys Addr 15/ Parallel IRQ_10/nSMI 1 nDSR2/SA15 /IRQ10/ nSMI I/I/O24/OD 24 (Note 0) 94 Data Carrier Detect 2/8042 P12/ Parallel IRQ_11 1 nDCD2/P12/ IRQ11 I/IO24/O24 /OD24 (Note 0) 92 Ring Indicator 2/8042 P16/Parallel IRQ_12 1 nRI2/P16/ IRQ12 I/IO24/O24 /OD24 (Note 0) PARALLEL PORT INTERFACE (17) 68:75 Parallel Port Data Bus 8 PD[0:7] IO24 67 Printer Select 1 nSLCTIN OD24/O24 66 Initiate Output 1 nINIT OD24/O24 82 Auto Line Feed 1 nALF OD24/O24 83 Strobe Signal 1 nSTROBE OD24/O24 79 Busy Signal 1 BUSY I 80 Acknowledge Handshake 1 nACK I 78 Paper End 1 PE I 77 Printer Selected 1 SLCT I 81 Error at Printer 1 nERROR I KEYBOARD/MOUSE INTERFACE (6) 56 Keyboard Data 1 KDAT IOD16P 57 Keyboard Clock 1 KCLK IOD16P 58 Mouse Data 1 MDAT IOD16P 59 Mouse Clock 1 MCLK IOD16P 63 Keyboard Reset 1 KBDRST (Note 3) O4 |
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