NEC NEC PD78081(A), User Manual

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CHAPTER 12 INTERRUPT FUNCTION
12.3 Interrupt Function Control Registers
The following five types of registers are used to control the interrupt functions.
• Interrupt request flag register (IF0L, IF0H, IF1L)
• Interrupt mask flag register (MK0L, MK0H, MK1L)
• Priority specify flag register (PR0L, PR0H, PR1L)
• External interrupt mode register (INTM0, INTM1)
• Program status word (PSW)
Table 12-2 gives a listing of interrupt request flags, interrupt mask flags, and priority specify flags corresponding
to interrupt request sources.
Table 12-2. Various Flags Corresponding to Interrupt Request Sources
Interrupt Source Interrupt Request Flag Interrupt Mask Flag Priority Specify Flag
Register Register Register
INTWDT TMIF4 IF0L TMMK4 MK0L TMPR4 PR0L
INTP1 PIF1 PMK1 PPR1
INTP2 PIF2 PMK2 PPR2
INTP3 PIF3 PMK3 PPR3
INTSER SERIF IF0H SERMK MK0H SERPR PR0H
INTSR/INTCSI2 SRIF SRMK SRPR
INTST STIF STMK STPR
INTAD ADIF IF1L ADMK MK1L ADPR PR1L
INTTM5 TMIF5 TMMK5 TMPR5
INTTM6 TMIF6 TMMK6 TMPR6