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FDC37B779 Datasheet(PDF) 10 Page - SMSC Corporation |
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FDC37B779 Datasheet(HTML) 10 Page - SMSC Corporation |
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10 / 196 page  10 DESCRIPTION OF MULTIFUNCTION PINS PIN NO./QFP ORIGINAL FUNCTION ALTERNATE FUNCTION 1 DEFAULT NOTE 51 nDACK3 8042 P16 nDACK3 1 52 DRQ3 8042 P12 DRQ3 1 92 nRI2 8042 P16 nRI2 2 94 nDCD2 8042 P12 nDCD2 2 95 RXD2 IRRX RXD2 3 96 TXD2 IRTX TXD2 3 97 nDSR2 SA15 nDSR2 4 98 nRTS2 SA12 nRTS2 4 99 nCTS2 SA13 nCTS2 4 100 nDTR2 SA14 nDTR2 4 Note 1: Controlled by DMA3SEL(LD8:CRC0.1) Note 2: Controlled by 8042COMSEL(LD8:CRC0.3) Note 3: Controlled by IR Option Register( LD5:CRF1.6) Note 4: Controlled by 16 bit Address Qualification (CR24.6) For more information, refer to tables 63 through 73. REFERENCE DOCUMENTS 1. SMSC Consumer Infrared Communications Controller (CIrCC) V1.X 2. IEEE 1284 Extended Capabilities Port Protocol and ISA Standard, Rev. 1.14, July 14, 1993. 3. Hardware Description of the 8042, Intel 8 bit Embedded Controller Handbook. 4. PCI Bus Power Management Interface Specification, Rev. 1.0, Draft, March 18, 1997. |
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