전자부품 데이터시트 검색엔진 |
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FDC37B772 데이터시트(PDF) 6 Page - SMSC Corporation |
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FDC37B772 데이터시트(HTML) 6 Page - SMSC Corporation |
6 / 196 page 6 DESCRIPTION OF PIN FUNCTIONS PIN No./QFP NAME TOTAL SYMBOL BUFFER TYPE PROCESSOR/HOST INTERFACE (36) 37:40, 42:45 System Data Bus 8 SD[0:7] IO12 20:30 11-bit System Address Bus 11 SA[0:10] I 31 Chip Select/SA11 (Note 1) 1 nCS/SA11 I 36 Address Enable 1 AEN I 55 I/O Channel Ready 1 IOCHRDY OD12 46 ISA Reset Drive 1 RESET_DRV IS 33 Serial IRQ 1 SER_IRQ IO12 32 PCI Clock for Serial IRQ (33MHz/30MHz) 1 PCI_CLK ICLK 50 DMA Request 1 1 DRQ1 O12 48 DMA Request 2 1 DRQ2 O12 52 DMA Request 3/8042 P12 1 DRQ3/P12 O12/IO12 47 DMA Acknowledge 1 1 nDACK1 I 49 DMA Acknowledge 2 1 nDACK2 I 51 DMA Acknowledge 3/8042 P16 1 nDACK3/ P16 I/IO12 54 Terminal Count 1 TC I 34 I/O Read 1 nIOR I 35 I/O Write 1 nIOW I 4 Power Management Event 1 nPME OD24 6 32.768 Trickle Clock Input 1 CLOCK132 ICLK CLOCKS (1) 19 14.318MHz Clock Input 1 CLOCKI ICLK INFRARED INTERFACE (2) 61 Infrared Rx 1 IRRX I 62 Infrared Tx (Note 4), (Note 5) 1 IRTX O24PD POWER PINS (8) 53,65, 93 Power VCC 7,41, 60,76 Ground VSS 18 Trickle Voltage VTR |
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