Electronics America 8-Bit Single-Chip Microcontrollers User's Manual

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CHAPTER 21 INTERRUPT AND TEST FUNCTIONS
Internal Bus
Priority Control
Circuit
Vector Table
Address
Generator
Interrupt
Request
External Interrupt
Mode Register
(INTM0, INTM1)
Edge
Detector
Interrupt
Request
IE PR ISPMK
IF
Priority Control
Circuit
Vector Table
Address
Generator
Standby
Release Signal
Internal Bus
Figure 21-1. Basic Configuration of Interrupt Function (2/2)
(D) External maskable interrupt (except INTP0)
(E) Software interrupt
Remark IF : Interrupt request flag
IE : Interrupt enable flag
ISP : Inservice priority flag
MK : Interrupt mask flag
PR : Priority specify flag