UPD78F1502AGK-GAK-AX Datasheet, PDF (760/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 19 INTERRUPT FUNCTIONS
Figure 19-1. Basic Configuration of Interrupt Function (1/2)
(A) Internal maskable interrupt
Internal bus
MK
IE
PR1 PR0
ISP1 ISP0
Interrupt
request
IF
(B) External maskable interrupt (INTPn)
External interrupt edge
enable register
MK
(EGP, EGN)
Interrupt
request
Edge
detector
IF
IF:
IE:
ISP0:
ISP1:
MK:
PR0:
PR1:
Interrupt request flag
Interrupt enable flag
In-service priority flag 0
In-service priority flag 1
Interrupt mask flag
Priority specification flag 0
Priority specification flag 1
Priority controller
Vector table
address generator
Standby release
signal
Internal bus
IE
PR1 PR0
ISP1 ISP0
Priority controller
Vector table
address generator
Standby release
signal
R01UH0004EJ0501 Rev.5.01
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Jun 20, 2011