IBM uPD78082 - Manual (Page 197)

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CHAPTER 12 INTERRUPT FUNCTION
Internal Bus
Priority Control
Circuit
Vector Table
Address
Generator
Interrupt
Request
External Interrupt
Mode Register
(INTM0, INTM1)
Edge
Detector Interrupt
Request
IE PR ISP MK
IF
Priority Control
Circuit
Vector Table
Address
Generator
Standby
Release Signal
Internal Bus
Figure 12-1. Basic Configuration of Interrupt Function (2/2)
(C) External maskable interrupt
(D) Software interrupt
Remark IF : Interrupt request flag
IE : Interrupt enable flag
ISP : Inservice priority flag
MK : Interrupt mask flag
PR : Priority specify flag