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CHAPTER 21 INTERRUPT AND TEST FUNCTIONS
21.3 Interrupt Function Control Registers
The following six 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)
• Sampling clock select register (SCS)
• Program status word (PSW)
Table 21-2 gives a listing of interrupt request flags, interrupt mask flags, and priority specify flags corresponding
to interrupt request sources.
Table 21-2. 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
INTP0 PIF0 PMK0 PPR0
INTP1 PIF1 PMK1 PPR1
INTP2 PIF2 PMK2 PPR2
INTP3 PIF3 PMK3 PPR3
INTP4 PIF4 PMK4 PPR4
INTP5 PIF5 PMK5 PPR5
INTP6 PIF6 PMK6 PPR6
INTCSI0 CSIIF0 IF0H CSIMK0 MK0H CSIPR0 PR0H
INTCSI1 CSIIF1 CSIMK1 CSIPR1
INTSER SERIF SERMK SERPR
INTSR/INTCSI2 SRIF SRMK SRPR
INTST STIF STMK STPR
INTTM3 TMIF3 TMMK3 TMPR3
INTTM00 TMIF00 TMMK00 TMPR00
INTTM01 TMIF01 TMMK01 TMPR01
INTTM1 TMIF1 IF1L TMMK1 MK1L TMPR1 PR1L
INTTM2 TMIF2 TMMK2 TMPR2
INTAD ADIF ADMK ADPR