NEC uPD78P078 - Manual (Page 502)

502
CHAPTER 22 INTERRUPT FUNCTIONS
Figure 22-1. Basic Configuration of Interrupt Function (1/2)
(A) Internal non-maskable interrupt
Internal Bus
Priority Control
Circuit
Vector Table
Address
Generator
Standby
Release Signal
Interrupt
Request
(B) Internal maskable interrupt
Internal Bus
IE PR ISP MK
IF
Interrupt
Request
Priority Control
Circuit
Vector Table
Address
Generator
Standby
Release Signal
(C) External maskable interrupt (INTP0)
Internal Bus
IE PR ISP MK
IF
Priority Control
Circuit
Vector Table
Address
Generator
Standby
Release Signal
Interrupt
Request Sampling
Clock Edge
Detector
Sampling Clock
Select Register
(SCS)
External Interrupt Mode
Register (INTM0)