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(D) External maskable interrupt (except INTP0)
Interrupt
Request
(E) Software interrupt
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IF
: Interrupt request flag
IE : Interrupt enabled flag
ISP : Inservice priority flag
MK : Interrupt mask flag
PR : Priority specify flag
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CHAPTER 18 INTERRUPT FUNCTIONS AND TEST FUNCTION
Figure 18-1. Basic Configuration of Interrupt Function (2/2)
External Interrupt
Mode Register (INTM0 )
Edge
IF
Detector
Interrupt
Request
Internal Bus
MK
IE
PR
Priority Control
Circuit
Internal Bus
Priority Control
Circuit
ISP
Vector Table
Address
Generator
Standby
Release Signal
Vector Table
Address
Generator
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