NEC 78K0 Series User Manual page 489

(A) Internal maskable interrupt
Interrupt
request
(B) External maskable interrupt (INTP0 to INTP7)
External interrupt edge
enable register
(EGP, EGN)
Interrupt
request
IF: Interrupt request flag
IE: Interrupt enable flag
ISP: In-service priority flag
MK: Interrupt mask flag
PR: Priority specification flag
CHAPTER 19 INTERRUPT FUNCTIONS
Figure 19-1. Basic Configuration of Interrupt Function (1/2)
Internal bus
MK
IF
Internal bus
MK
Edge
IF
detector
Preliminary User's Manual U17260EJ3V1UD
IE PR ISP
Vector table
Priority controller
address generator
IE PR ISP
Priority controller
Standby release signal
Vector table
address generator
Standby release signal
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