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LAN91C111 датащи(PDF) 91 Page - Microchip Technology |
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LAN91C111 датащи(HTML) 91 Page - Microchip Technology |
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91 / 125 page ![]() LAN91C111 DS00002276A-page 92 2011-2016 Microchip Technology Inc. 12.3 High-End ISA or Non-Burst EISA Machines On ISA machines, the LAN91C111 is accessed as a 16 bit peripheral. The signal connections are listed in the following table: FIGURE 12-1: LAN91C111 ON VL BUS TABLE 12-2: HIGH-END ISA OR NON-BURST EISA MACHINES SIGNAL CONNECTORS ISA Bus Signal LAN91C111 Signal Notes A1-A15 A1-A15 Address bus used for I/O space and register decoding. AEN AEN Qualifies valid I/O decoding - enabled access when low. nIORD nRD I/O Read strobe - asynchronous read accesses. Address is valid before leading edge. W/nR A2-A15 LCLK AEN RESET INTR0 D0-D31 nRDYRTN nBE0-nBE3 nADS nCYCLE nSRDY nLDEV LAN91C111 W/nR A2-A15 LCLK M/nIO nRESET IRQn D0-D31 nRDYRTN nBE0-nBE3 nADS nLRDY nLDEV Delay 1 LCLK O.C. simulated O.C. VLBUS |
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