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7733 датащи(PDF) 92 Page - Renesas Technology Corp |
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7733 датащи(HTML) 92 Page - Renesas Technology Corp |
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92 / 940 page ![]() 7733 Group User's Manual 4–13 INTERRUPTS (2) Interrupt priority level detection time Op-code fetch cycle Sampling pulse (a) 7 cycles (b) 4 cycles (c) 2 cycles Interrupt priority level detection time (Note) Note: This pulse resides when “2 cycles of ” is selected. b7 b6 b5 b4 b3 b2 b1 b0 0 0 0 0 1 1 0 1 1 Processor mode register 0 (address 5E 16) Processor mode bits Wait bit Software reset bit Must be fixed to “0.” Clock 1 output selection bit 7 cycles of clock [(a) shown below] 4 cycles of clock [(b) shown below] 2 cycles of clock [(c) shown below] Interrupt priority detection time selection bits Do not select. (1) Interrupt priority detection time selection bits b5, b4 4.6 Interrupt priority level detection time When the interrupt priority level detection time has passed after sampling starts, an interrupt request is accepted. The interrupt priority level detection time can be selected by software. Figure 4.6.1 shows the interrupt priority level detection time. Usually, select “2 cycles of φ” as the interrupt priority level detection time. 4.6 Interrupt priority level detection time Fig. 4.6.1 Interrupt priority level detection time |
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