CHAPTER 17 INTERRUPT FUNCTIONS
User’s Manual U16899EJ2V0UD
358
Figure 17-1. Basic Configuration of Interrupt Function (1/2)
(A) Internal maskable interrupt
Internal bus
Interrupt
request
IF
MK
IE
PR
ISP
Priority controller
Vector table
address generator
Standby release signal
(B) External maskable interrupt (INTP0 to INTP7)
Internal bus
Interrupt
request
IF
MK
IE
PR
ISP
Priority controller
Vector table
address generator
Standby release signal
External interrupt edge
enable register
(EGP, EGN)
Edge
detector
IF:
Interrupt request flag
IE:
Interrupt enable flag
ISP:
In-service priority flag
MK:
Interrupt mask flag
PR:
Priority specification flag