Datasheet

CHAPTER 17 INTERRUPT FUNCTIONS
User’s Manual U18698EJ1V0UD
439
Figure 17-1. Basic Configuration of Interrupt Function (2/2)
(C) External maskable interrupt (INTKR)
IF
MK IE PR ISP
Internal bus
Interrupt
request
Priority controller
Vector table
address generator
Standby release signal
Key
interrupt
detector
1 when KRMn = 1 (n = 0, 3, 4)
(D) Software interrupt
Internal bus
Interrupt
request
Priority controller
Vector table
address generator
IF: Interrupt request flag
IE: Interrupt enable flag
ISP: In-service priority flag
MK: Interrupt mask flag
PR: Priority specification flag
KRM: Key return mode register