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LAN91C100FDTQFP Datasheet(PDF) 10 Page - SMSC Corporation |
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LAN91C100FDTQFP Datasheet(HTML) 10 Page - SMSC Corporation |
10 / 68 page SMSC DS – LAN91C100FD REV. B Page 10 Rev. 05/31/2000 Table 1 - LAN91C100FD Pin Requirements FUNCTION PIN SYMBOLS NUMBER OF PINS System Address Bus A1-A15, AEN, nBE0-nBE3 20 System Data Bus D0-D31 32 System Control Bus RESET, nADS, LCLK, ARDY, nRDYRTN, nSRDY, INTR0- INTR3, nLDEV, nRD, nWR, nDATACS, nCYCLE, W/nR, nVLBUS 17 Serial EEPROM EEDI, EEDO, EECS, EESK, ENEEP, IOS0-IOS2 8 RAM Data Bus RD0-RD31 32 RAM Address Bus RA2-RA16 15 RAM Control Bus nROE, nRWE0-nRWE3, RCVDMA, RDMAH 7 Crystal Oscillator XTAL1, XTAL2 2 Power VDD, AVDD 19 Ground GND, AGND 21 External ENDEC 10 Mbps TXEN, TXD, CRS, COL, RXD, TXC, RXC, LBK, nLNK, nFSTEP, AUISEL, MIISEL 12 Physical Interface 100 Mbps TXEN100, CRS100, COL100, RX_DV, RX_ER, TXD0-TXD3, RXD0-RXD3, MDI, MDO, MCLK 16 Clocks TX25, RX25 2 Miscellaneous nCSOUT, nRXDISC 2 TOTAL 205 FIGURE 1 - LAN91C100FD BLOCK DIAGRAM BUS INTERFACE UNIT ARBITER MEMORY MANAGEMENT UNIT DIRECT MEMORY ACCESS MEDIA ACCESS CONTROL SERIAL EEPROM RD FIFO WR FIFO Address Data Control RAM 25 MHz 10 Mb Interface 100 Media Independent Interface |
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