Datasheet

RL78/L12 CHAPTER 17 INTERRUPT FUNCTIONS
R01UH0330EJ0200 Rev.2.00 704
Dec 13, 2013
Figure 17-1. Basic Configuration of Interrupt Function (2/2)
(C) External maskable interrupt (INTKR)
IF
MK
KRMn
IE PR1 ISP1
PR0
ISP0
Internal bus
KRn pin input
Priority controller
Vector table
address generator
Standby release
signal
Key
interrupt
detector
Key return mode
register 0 (KRM0)
(D) Software interrupt
Vector table
address generator
Internal bus
Interrupt
request
IF: Interrupt request flag
IE: Interrupt enable flag
ISP0: In-service priority flag 0
ISP1: In-service priority flag 1
MK: Interrupt mask flag
PR0: Priority specification flag 0
PR1: Priority specification flag 1
Remark n = 0 to 3