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LPC47M107S-MC Datasheet(PDF) 6 Page - SMSC Corporation |
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LPC47M107S-MC Datasheet(HTML) 6 Page - SMSC Corporation |
6 / 188 page Page 6 DESCRIPTION OF PIN FUNCTIONS PIN No./ QFP NAME TOTAL SYMBOL BUFFER TYPE BUFFER TYPE PER FUNCTION (NOTE 1) NOTES PROCESSOR/HOST LPC INTERFACE (10) 23:20 Multiplexed Command, Address, Data [3:0] 4 LAD[3:0] PCI_IO PCI_IO 24 Frame 1 nLFRAME PCI_I PCI_I 25 Encoded DMA Request 1 nLDRQ PCI_O PCI_O 26 PCI Reset 1 nPCI_RESE T PCI_I PCI_I 27 Power Down 1 nLPCPD PCI_I PCI_I 2 29 PCI Clock 1 PCI_CLK PCI_ICL K PCI_ICLK 30 Serial IRQ 1 SER_IRQ PCI_IO PCI_IO CLOCKS (2) 6 32.768 Trickle Clock Input 1 CLOCKI32 IS IS 3 19 14.318MHz Clock Input 1 CLOCKI IS IS FAN CONTROL (4) 51 General Purpose I/O /Fan Tachometer 2 1 GP30/ FAN_TACH2 IO8 (I/O8/OD8)/I 52 General Purpose I/O /Fan Tachometer 1 1 GP31/ FAN_TACH1 IO8 (I/O8/OD8)/I 54 General Purpose I/O /Fan Speed Control 2 1 GP32/FAN2 IO12 (I/O12/OD12)/ (O12/OD12) 4 55 General Purpose I/O /Fan Speed Control 1 1 GP33/FAN1 IO12 (I/O12/OD12)/ (O12/OD12) 4 INFRARED INTERFACE (2) 61 Infrared Rx /General Purpose I/O 1 IRRX2/GP34 IS/O8 IS/(IS/O8/OD8) 62 Infrared Tx /General Purpose I/O 1 IRTX2/GP35 IO12 O12/(I/O12/ OD12) 5,6 POWER PINS (10) 53, 65,93 Power 3 VCC 7, 31, 60,76 Ground 4 VSS 40 Analog Ground 1 AVSS 44 Reference Voltage 1 VREF 18 Trickle Voltage 1 VTR 7 FDD INTERFACE (14) 16 Read Disk Data 1 nRDATA IS IS 11 Write Gate 1 nWGATE O12 (O12/OD12) 10 Write Disk Data 1 nWDATA O12 (O12/OD12) 12 Head Select 1 nHDSEL O12 (O12/OD12) 8 Step Direction 1 nDIR O12 (O12/OD12) 9 Step Pulse 1 nSTEP O12 (O12/OD12) 4 Disk Change 1 nDSKCHG IS IS 5 Drive Select 0 1 nDS0 O12 (O12/OD12) |
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