RL78/F13, F14 CHAPTER 21 INTERRUPT FUNCTIONS
R01UH0368EJ0210 Rev.2.10 1482
Dec 10, 2015
Figure 21-1. Basic Configuration of Interrupt Function (2/3)
(C) External maskable interrupt (INTKR)
(D) External maskable interrupt (CAN wake-up)
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 20-pin: n = 0, 1
30-pin: n = 0 to 7
32-pin: n = 0 to 5
48-, 64-, 80-, 100-pin: n = 0 to 7
IF
MK 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 (KRM)
IF
MK IE PR1 ISP1
PR0 ISP0
Internal bus
CRXD0 pin
Priority controller
Standby release
si
nal
Edge
detector
Bit 0 (CAN0EN) of the
peripheral enable
register 2 (PER2)