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ELANSC310 Scheda tecnica(PDF) 27 Page - Advanced Micro Devices |
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ELANSC310 Scheda tecnica(HTML) 27 Page - Advanced Micro Devices |
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27 / 119 page ![]() Élan™SC310 Microcontroller Data Sheet 27 PREL IMINARY Notes: 1. LS in the Clock Off column stands for Last State. 2. Reset State Local Bus signal loading 920 mV–0 V. For 33-MHz operation, CPUCLK loading = 30 pF. All inputs that have VCC clamp = 5 V are 5-V safe inputs regardless of their VCCIO. Signal Name Pin No. I/O Type Term Drive Type Clock Off Reset State (volts) VCCIO VCC Clamp Spec. Load (pF) Local Bus Max ISA A20 (LA20) 152 O — C 0 3.3 5.0 VSYS2 VCC5 50 A19 (LA19) 153 O — C 0 3.3 5.0 VSYS2 VCC5 50 A18 (LA18) 154 O — C 0 3.3 5.0 VSYS2 VCC5 50 A17 (LA17) 155 O — C 0 3.3 5.0 VSYS2 VCC5 50 A16 (DACK0) 158 O — C (0/1) 3.3 5.0 VSYS2 VCC5 50 A15 (DACK3) 159 O — C (0/1) 3.3 5.0 VSYS2 VCC5 50 A14 (DACK7) 160 O — C (0/1) 3.3 5.0 VSYS2 VCC5 50 A13 (DACK6) 161 O — C (0/1) 3.3 5.0 VSYS2 VCC5 50 CPUCLK (PULLUP)2 162 O — E 0 3.3/0 3.3 VCC1 VCC5 50 (30) CPURST (RSVD) 163 O — C 0 3.3 0.0 VCC1 VCC5 50 PULLUP (IRQ7) 164 I — C — 3.3 3.3 VCC1 VCC5 50 RSVD (PULLUP) 165 (0/I) — C (0/–) 3.3 3.3 VCC1 VCC5 50 PULLUP 183 I — B — 3.3 3.3 VCC1 VCC5 30 CPURDY (LMEG) 147 O — B 1 0.0 0.0 VSYS2 VCC5 50 PULLDN (IRQ5) 178 I — C — 0.0 3.3 VCC1 VCC5 100 PULLUP (IRQ10) 179 I — C — 0.0 3.3 VCC1 VCC5 100 A12 (BALE) 145 O — E (0/1) 3.3 5.0 VSYS2 VCC5 50 Table 8. Local Bus Interface (Continued) |
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