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ELANSC310 데이터시트(PDF) 60 Page - Advanced Micro Devices |
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ELANSC310 데이터시트(HTML) 60 Page - Advanced Micro Devices |
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60 / 119 page ![]() 60 Élan™SC310 Microcontroller Data Sheet PREL IMINARY Maximum ISA Interface versus Local Bus Interface The maximum ISA interface alternate functions are configured via the DTR and RTS pin states when the ÉlanSC310 microcontroller is reset. Notes: See Table 25 on page 56 for information on required termination for Maximum ISA Bus and Local Bus modes. Table 27. Pins Shared Between Maximum ISA Bus and Local Bus Interface Functions ISA Interface Pin Name Pin Type ISA Interface Pin Description/Notes Local Bus Mode Function Pin Name Pin No. BALE O ISA Bus Address Latch Enable A12 145 DRQ0 I DMA Channel 0 Request D/C 171 DRQ3 I DMA Channel 3 Request M/IO 170 DRQ6 I DMA Channel 6 Request LRDY 166 DRQ7 I DMA Channel 7 Request W/R 169 DACK0 O DMA Channel 0 Acknowledge A16 158 DACK3 O DMA Channel 3 Acknowledge A15 159 DACK6 O DMA Channel 6 Acknowledge A13 161 DACK7 O DMA Channel 7 Acknowledge A14 160 IRQ5 I Interrupt Request input PULLDN 178 IRQ7 I Interrupt Request input PULLUP 164 IRQ9 I Interrupt Request input BHE 168 IRQ10 I Interrupt Request input PULLUP 179 IRQ11 I Interrupt Request input BLE 167 LA23–LA17 O ISA Non-Latched Address Bus A23–A17 149–155 LMEG O ISA Memory Address Decode Below 1 Mbyte CPURDY 147 0WS I Zero Wait State ADS 172 |
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