NEC mPD780208 Subseries User Manual page 338

Figure 16-1. Basic Configuration of Interrupt Function (2/2)
(D) External maskable interrupt (except INTP0)
External interrupt
mode register
(INTM0)
Interrupt Edge
request detector
(E) Software interrupt
Interrupt
request
338
CHAPTER 16 INTERRUPT AND TEST FUNCTIONS
IF
Internal bus
IF: Interrupt request flag
IE: Interrupt enable flag
ISP: In-service priority flag
MK: Interrupt mask flag
PR: Priority specification flag
User's Manual U11302EJ4V0UM
Internal bus
MK IE PR
Priority controller
Vector table
address
generator
ISP
Vector table
address
generator
Standby
release signal