Interrupt Function Control Registers - NEC mPD780208 Subseries User Manual

8-bit single-chip microcontrollers

Table of Contents

16.3 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 specification flag register (PR0L, PR0H)

• External interrupt mode register (INTM0)

• Sampling clock select register (SCS)

• Program status word (PSW)

Table 16-2 gives a listing of interrupt request flags, interrupt mask flags, and priority specification flags

corresponding to interrupt request sources.

Table 16-2. Various Flags Corresponding to Interrupt Request Sources

Interrupt Source

CHAPTER 16 INTERRUPT AND TEST FUNCTIONS

Interrupt Request Flag

User's Manual U11302EJ4V0UM

Interrupt Mask Flag

Priority Specification Flag