Basic Configuration Of Interrupt Function - NEC switch User Manual

Figure 11-1. Basic Configuration of Interrupt Function
(A) Internal non-maskable interrupt
Interrupt request
(B) Internal maskable interrupt
Interrupt request
(C) External maskable interrupt
INTM0, KRM00
Interrupt Edge
request detector
IF: Interrupt request flag
IE: Interrupt enable flag
MK: Interrupt mask flag
INTM0: External interrupt mode register 0
KRM00: Key return mode register 00
CHAPTER 11 INTERRUPT FUNCTIONS
Internal bus
MK IE
IF
Internal bus
MK
IF
User's Manual U12978EJ3V0UD
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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