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CHAPTER 19 INTERRUPT FUNCTIONS
User’s Manual U15798EJ2V0UD
Figure 19-1. Basic Configuration of Interrupt Function (2/2)
(D) External maskable interrupt (INTKR)
(E) Software interrupt
IF:
Interrupt request flag
IE:
Interrupt enable flag
ISP:
In-service priority flag
MK:
Interrupt mask flag
PR:
Priority specification flag
MEM: Memory expansion mode register
IF
MK
IE
PR
ISP
Internal bus
Interrupt
request
Priority controller
Vector table
address generator
Standby release signal
Falling
edge
detector
“1” when MEM = 01H
Internal bus
Interrupt
request
Vector table
address generator
Содержание mPD780344 Series
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