Basic Configuration Of Interrupt Function - NEC PD789488 User Manual

Figure 16-1. Basic Configuration of Interrupt Function
(A) Internal non-maskable interrupt
Interrupt request
(B) Internal maskable interrupt
Interrupt request
(C) External maskable interrupt
INTM0, INTM1,
KRM00, KRM01
Interrupt Edge
request detector
INTM0: External interrupt mode register 0
INTM1: External interrupt mode register 1
KRM00: Key return mode register 00
KRM01: Key return mode register 01
IF: Interrupt request flag
IE: Interrupt enable flag
MK: Interrupt mask flag
CHAPTER 16 INTERRUPT FUNCTIONS
Internal bus
MK IE
IF
Internal bus
MK
IF
User's Manual U15331EJ4V1UD
Internal bus
Vector table
address generator
Standby release signal
Vector table
address generator
Standby release signal
IE
Vector table
address generator
Standby
release signal
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