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COP888EB датащи(PDF) 37 Page - National Semiconductor (TI) |
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COP888EB датащи(HTML) 37 Page - National Semiconductor (TI) |
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37 / 75 page ![]() Frame Formats (Continued) Interrupts INTRODUCTION Each device supports fourteen vectored interrupts. Interrupt sources include Timer 0, Timer 1, Timer 2, Timer 3, Port L Wakeup, Software Trap, MICROWIRE/PLUS, and External Input. All interrupts force a branch to location 00FF Hex in program memory. The VIS instruction may be used to vector to the appropriate service routine from location 00FF Hex. The Software trap has the highest priority while the default VIS has the lowest priority. Each of the 14 maskable inputs has a fixed arbitration rank- ing and vector. Figure 31 shows the Interrupt Block Diagram. DS012837-34 FIGURE 29. Resynchronization 1 DS012837-35 FIGURE 30. Resynchronization 2 www.national.com 37 |
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