NEC mPD789426 Series User Manual page 265

(A) Internal non-maskable interrupt
Interrupt request
(B) Internal maskable interrupt
Interrupt request
(C) External maskable interrupt
INTM0, INTM1, KRM00
Interrupt Edge
request detector
INTM0: External interrupt mode register 0
INTM1: External interrupt mode register 1
KRM00: Key return mode register 00
IF: Interrupt request flag
IE: Interrupt enable flag
MK: Interrupt mask flag
CHAPTER 14 INTERRUPT FUNCTIONS
Figure 14-1. Basic Configuration of Interrupt Function
Internal bus
MK
IF
Internal bus
MK
IF
User's Manual U15075EJ1V0UM00
Internal bus
Vector table
address generator
Standby release signal
IE
Vector table
address generator
IE
Standby release signal
Vector table
address generator
Standby
release signal
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