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HD64F2149YV 数据表(PDF) 164 Page - Renesas Technology Corp |
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HD64F2149YV 数据表(HTML) 164 Page - Renesas Technology Corp |
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164 / 1075 page  Section 5 Interrupt Controller Rev. 3.00 Jan 18, 2006 page 136 of 1044 REJ09B0280-0300 5.7 DTC Activation by Interrupt 5.7.1 Overview The DTC can be activated by an interrupt. In this case, the following options are available: • Interrupt request to CPU • Activation request to DTC • Both of the above For details of interrupt requests that can be used to activate the DTC, see section 7, Data Transfer Controller. 5.7.2 Block Diagram Figure 5.13 shows a block diagram of the DTC and interrupt controller. Selection circuit DTCER DTVECR Control logic Determination of priority CPU DTC DTC activation request vector number Clear signal CPU interrupt request vector number Select signal Interrupt request Interrupt source clear signal IRQ interrupt On-chip supporting module Clear signal Interrupt controller I, UI SWDTE clear signal Figure 5.13 Interrupt Control for DTC |
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