M32CSLASH86T datasheet(7/505 Pages) RENESAS

7 / 505 page

A-3

10. Protection __________________________________ 96

11. Interrupts ___________________________________ 97

11.1 Types of Interrupts ................................................................................................. 97

11.2 Software Interrupts ................................................................................................ 98

11.2.1 Undefined Instruction Interrupt ..................................................................... 98

11.2.2 Overflow Interrupt ........................................................................................... 98

11.2.3 BRK Interrupt ................................................................................................... 98

11.2.4 BRK2 Interrupt ................................................................................................. 98

11.2.5 INT Instruction Interrupt ................................................................................. 98

11.3 Hardware Interrupts ............................................................................................... 99

11.3.1 Special Interrupts ............................................................................................ 99

11.3.2 Peripheral Function Interrupt ......................................................................... 99

11.4 High-Speed Interrupt ............................................................................................ 100

11.5 Interrupts and Interrupt Vectors ......................................................................... 100

11.5.1 Fixed Vector Tables ....................................................................................... 101

11.5.2 Relocatable Vector Tables ............................................................................ 101

11.6 Interrupt Request Acknowledgement ................................................................. 104

11.6.1 I Flag and IPL ................................................................................................. 104

11.6.2 Interrupt Control Register and RLVL Register ........................................... 104

11.6.3 Interrupt Sequence ....................................................................................... 108

11.6.4 Interrupt Response Time .............................................................................. 109

11.6.5 IPL Change when Interrupt Request is Acknowledged ............................. 110

11.6.6 Saving a Register .......................................................................................... 111

11.6.7 Restoration from Interrupt Routine ............................................................. 111

11.6.8 Interrupt Priority ............................................................................................ 112

11.6.9 Interrupt Priority Level Select Circuit .......................................................... 112

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11.7 INT Interrupt .......................................................................................................... 114

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11.8 NMI Interrupt ......................................................................................................... 115

11.9 Key Input Interrupt ............................................................................................... 115

11.10 Address Match Interrupt .................................................................................... 116

11.11 Intelligent I/O Interrupt and CAN Interrupt ....................................................... 117

12. Watchdog Timer ____________________________ 121

12.1 Count Source Protection Mode .......................................................................... 124

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