Datenblatt-Suchmaschine für elektronische Bauteile |
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FDC37B727-NS Datenblatt(PDF) 7 Page - SMSC Corporation |
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FDC37B727-NS Datenblatt(HTML) 7 Page - SMSC Corporation |
7 / 238 page 7 DESCRIPTION OF PIN FUNCTIONS TABLE 1 - DESCRIPTION OF PIN FUNCTIONS PIN No./QFP NAME TOTAL SYMBOL BUFFER TYPE PROCESSOR/HOST INTERFACE (40) 44-47, 49-52 System Data Bus 8 SD[0:7] IO12 23-38 16-bit System Address Bus 16 SA[0:15] I 43 Address Enable 1 AEN I 64 I/O Channel Ready 1 IOCHRDY OD12 53 ISA Reset Drive 1 RESET_DRV IS 40 Serial IRQ/IRQ15 1 SER_IRQ IO12 39 PCI Clock/IRQ14/GP50 1 PCI_CLK IO12 55 DMA Request 0 1 DRQ0 O12 57 DMA Request 1 1 DRQ1 O12 59 DMA Request 2 1 DRQ2 O12 54 DMA Acknowledge 0 1 nDACK0 I 56 DMA Acknowledge 1 1 nDACK1 I 58 DMA Acknowledge 2 1 nDACK2 I 61 DMA Request 3 1 DRQ3 O12 60 DMA Acknowledge 3 1 nDACK3 I 63 Terminal Count 1 TC I 41 I/O Read 1 nIOR I 42 I/O Write 1 nIOW I CLOCKS (4) 22 14.318MHz Clock Input 1 CLOCKI ICLK 66 32.768kHz Crystal Input 1 XTAL1 ICLK 68 32.768kHz Crystal Driver 1 XTAL2 OCLK2 18 32.768kHz Clock Out 1 CLK32OUT O8 POWER PINS (10) 62, 93, 121 +5V Supply Voltage 3 VCC 7, 48, 74, 104 Digital Ground 4 VSS 67 Analog Ground 1 AVSS 69 Trickle Supply Voltage 1 VTR 65 Battery Voltage 1 VBAT POWER MANAGEMENT (3) 19 Power On 1 nPOWERON OD24 20 Button In 1 BUTTON_IN I 21 Power Management Event/SCI/IRQ9 1 nPME O12 FDD INTERFACE (16) 16 Read Disk Data 1 nRDATA IS 11 Write Gate 1 nWGATE O24 10 Write Disk Data 1 nWDATA O24 |
Ähnliche Teilenummer - FDC37B727-NS |
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Ähnliche Beschreibung - FDC37B727-NS |
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