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SAFC161PI Datasheet(PDF) 90 Page - Infineon Technologies AG |
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SAFC161PI Datasheet(HTML) 90 Page - Infineon Technologies AG |
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90 / 400 page  &3, ,QWHUUXSW DQG 7UDS )XQFWLRQV User’s Manual 5-8 1999-08 Figure 5-1 Priority Levels and PEC Channels The table below shows in a few examples, which action is executed with a given programming of an interrupt control register. Note: All requests on levels 13...1 cannot initiate PEC transfers. They are always serviced by an interrupt service routine. No PECC register is associated and no COUNT field is checked. Table 5-3 Interrupt Priority Examples Priority Level Type of Service ILVL GLVL COUNT = 00H COUNT ≠ 00 H 1 1 1 11 1 CPU interrupt, level 15, group priority 3 PEC service, channel 7 1 1 1 11 0 CPU interrupt, level 15, group priority 2 PEC service, channel 6 1 1 1 01 0 CPU interrupt, level 14, group priority 2 PEC service, channel 2 1 1 0 1 1 0 CPU interrupt, level 13, group priority 2 CPU interrupt, level 13, group priority 2 0 0 0 1 1 1 CPU interrupt, level 1, group priority 3 CPU interrupt, level 1, group priority 3 0 0 0 1 0 0 CPU interrupt, level 1, group priority 0 CPU interrupt, level 1, group priority 0 0 0 0 0 X X No service! No service! Interrupt Control Register PEC Control PEC Channel # GLVL ILVL |
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