UPD78F1502AGK-GAK-AX Datasheet, PDF (761/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 19 INTERRUPT FUNCTIONS
Figure 19-1. Basic Configuration of Interrupt Function (2/2)
(C) External maskable interrupt (INTKR)
Internal bus
Key return mode
register (KRM)
KRMn
KRn pin input
Key
interrupt
detector
(D) Software interrupt
MK
IE
PR1 PR0
ISP1 ISP0
IF
Priority controller
Vector table
address generator
Standby release
signal
Internal bus
Interrupt
request
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
Vector table
address generator
R01UH0004EJ0501 Rev.5.01
745
Jun 20, 2011