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FDC37B727-NS Datasheet(PDF) 9 Page - SMSC Corporation |
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FDC37B727-NS Datasheet(HTML) 9 Page - SMSC Corporation |
9 / 238 page 9 PIN No./QFP NAME TOTAL SYMBOL BUFFER TYPE 124 Transmit Serial Data 2/Infrared Tx (Note 3) 1 TXD2/IRTX O24 126 Request to Send 2 1 nRTS2 O4 127 Clear to Send 2 1 nCTS2 I 128 Data Terminal Ready 1 nDTR2 O4 125 Data Set Ready 2 1 nDSR2 I 122 Data Carrier Detect 2 1 nDCD2 I 120 Ring Indicator 2 1 nRI2 I PARALLEL PORT INTERFACE (17) 96-103 Parallel Port Data Bus 8 PD[0:7] IOP14 95 Printer Select 1 nSLCTIN OP14 94 Initiate Output 1 nINIT OP14 110 Auto Line Feed 1 nALF OP14 111 Strobe Signal 1 nSTROBE OP14 107 Busy Signal 1 BUSY I 108 Acknowledge Handshake 1 nACK I 106 Paper End 1 PE I 105 Printer Selected 1 SLCT I 109 Error at Printer 1 nERROR I KEYBOARD/MOUSE INTERFACE (6) 70 Keyboard Data 1 KDAT IOD16 71 Keyboard Clock 1 KCLK IOD16 72 Mouse Data 1 MDAT IOD16 73 Mouse Clock 1 MCLK IOD16 75 Keyboard Reset 1 KBDRST (Note 2) O4 76 Gate A20 1 A20M O4 Note 1: The “n” as the first letter of a signal name indicates an “Active Low” signal. Note 2: KBDRST is active low. Note 3: This pin defaults to an output and low. When configured as IRTX (or IRTX2), this pin is low when the IR block is not transmitting. Note 4: EETI is the Either Edge Triggered Interrupt Input function. |
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