Interrupt Function Control Registers - NEC 78K0S/KB1+ User Manual

8-bit single-chip microcontrollers

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13.3 Interrupt Function Control Registers

The interrupt functions are controlled by the following four types of registers.

• Interrupt request flag registers 0, 1 (IF0, IF1)

• Interrupt mask flag registers 0, 1 (MK0, MK1)

• External interrupt mode registers 0, 1 (INTM0, INTM1)

• Program status word (PSW)

Table 13-2 lists interrupt requests, the corresponding interrupt request flags, and interrupt mask flags.

Table 13-2. Interrupt Request Signals and Corresponding Flags

Interrupt Request Signal

CHAPTER 13 INTERRUPT FUNCTIONS

Interrupt Request Flag

User's Manual U17446EJ3V1UD

Interrupt Mask Flag