Basic Configuration Of Interrupt Function (2/2) - NEC PD78081(A) User Manual

(C) External maskable interrupt
External Interrupt
Mode Register
(INTM0, INTM1)
Interrupt Edge
Request Detector
(D) Software interrupt
Interrupt
Request
Remark
174
CHAPTER 12 INTERRUPT FUNCTION
Figure 12-1. Basic Configuration of Interrupt Function (2/2)
IF
IF : Interrupt request flag
IE : Interrupt enable flag
ISP : Inservice priority flag
MK : Interrupt mask flag
PR : Priority specify flag
Internal Bus
MK IE
Priority Control
Circuit
Internal Bus
Priority Control
Circuit
PR ISP
Vector Table
Address
Generator
Standby
Release Signal
Vector Table
Address
Generator