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LPC47S422QFP Datasheet(PDF) 10 Page - SMSC Corporation |
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LPC47S422QFP Datasheet(HTML) 10 Page - SMSC Corporation |
10 / 264 page 10 PIN # NAME FUNCTION BUFFER TYPE BUFFER TYPE PER FUNCTION (NOTE 1) 83 nSTROBE/nDS0 Strobe Output/FDC Drive Select OP14 (OD14/OP14)/ OD14 SERIAL PORT 1 INTERFACE 84 RXD1 Receive Data 1 IS IS 85 TXD1 Transmit Data 1 O12 O12 86 nDSR1 Data Set Ready 1 I I 87 nRTS1 Request to Send 1 O8 O8 88 nCTS1 Clear to Send 1 I I 89 nDTR1 Data Terminal Ready 1 O6 O6 90 nRI1 Ring Indicator 1 I I 91 nDCD1 Data Carrier Detect 1 I I SERIAL PORT 2 INTERFACE 92 GP50/nRI2 General Purpose I/O/Ring Indicator 2 IO8 (I/O8/OD8)/I 94 GP51/nDCD2 General Purpose I/O/Data Carrier Detect 2 IO8 (I/O8/OD8)/I 95 GP52/RXD2/IRRX General Purpose I/O/Receive Data 2/IRRX IS/O8 (IS/O8/OD8)/IS/IS 96 GP53/TXD2/IRTX General Purpose I/O/Transmit Data 2/IRTX (Note 5, 6) IO12 (I/O12/OD12)/O12/ O12 97 GP54/nDSR2 General Purpose I/O/Data Set Ready 2 IO8 (I/O8/OD8)/I 98 GP55/nRTS2 General Purpose I/O/Request to Send 2 IO8 (I/O8/OD8)/O8 99 GP56/nCTS2 General Purpose I/O/Clear to Send 2 IO8 (I/O8/OD8)/I 100 GP57/nDTR2 General Purpose I/O/Data Terminal Ready 2 IO8 (I/O8/OD8)/O8 POWER PINS 53, 65, 93 VCC +3.3 Volt Supply Voltage 18 VTR +3.3 Volt Standby Supply Voltage (Note 6) 7, 31, 60, 76 VSS Ground CLOCK PINS 6 CLKI32 32.768kHz Standby Clock Input (Note 3) IS IS 19 CLOCKI 14.318MHz Clock Input IS IS Note: The "n" as the first letter of a signal name indicates an "Active Low" signal. Note 1: Buffer types per function on multiplexed pins are separated by a slash “/”. Buffer types in parenthesis represent multiple buffer types for a single pin function. |
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