uPD789074 Subseries 8-Bit Single-Chip Microcontrollers UD - Home

CHAPTER 10 INTERRUPT FUNCTIONSTable 10-1. Interrupt SourcesInterrupt Type Priority Note 1 Interrupt SourceName TriggerInternal/ExternalVector TableAddressBasicConfigurationType Note 2Non-maskableinterrupt− INTWDT Watchdog timer overflow(when watchdog timer mode 1is selected)Internal0004H(A)Maskableinterrupt0 INTWDT Watchdog timer overflow(when interval timer mode isselected)(B)1 INTP0 Pin input edge detection External0006H(C)2 INTP1 0008H3 INTP2000AH4INTSR20End of UART reception onserial interface 20Internal000CH(B)INTCSI20End of 3-wire SIO transferreception on serial interface 205 INTST20 End of UART transmission onserial interface 206 INTTM80 Generation of match signal for8-bit timer/event counter 807 INTTM90 Generation of match signal for16-bit timer 90000EH0014H0016HNotes 1. Priority is the priority order when several maskable interrupt requests are generated at the same time.0 is the highest and 7 is the lowest.2. Basic configuration types (A), (B), and (C) correspond to (A), (B), and (C) in Figure 10-1.Remark There are two interrupt sources for the watchdog timer (INTWDT): non-maskable interrupts andmaskable interrupts. Either one (but not both) should be selected for actual use.User’s Manual U14801EJ3V1UD 151