Interrupt Function Control Registers - NEC 78014Y Series User Manual

8-bit single-chip microcontrollers

Table of Contents

18.3 Interrupt Function Control Registers

The following six types of registers are used to control the interrupt functions.

• Interrupt request flag register (IF0L, IF0H)

• Interrupt mask flag register (MK0L, MK0H)

• Priority specify flag register (PR0L, PR0H)

• External interrupt mode register (INTM0)

• Sampling clock select register (SCS)

• Program status word (PSW)

Table 18-2 gives a listing of interrupt request flags, interrupt mask flags and priority specify flag names

corresponding to interrupt request sources.

Interrupt Source

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CHAPTER 18 INTERRUPT FUNCTIONS AND TEST FUNCTION

Table 18-2. Various Flags Corresponding to Interrupt Request Sources

Interrupt Request Flag

Interrupt Mask Flag

Priority Specify Flag