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RL78/G1A CHAPTER 16 INTERRUPT FUNCTIONS
Figure 16-1. 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 (KRM)
(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 32-pin: n = 0
48-pin: n = 0 to 5
64-pin: n = 0 to 9
R01UH0305EJ0200 Rev.2.00 693
Jul 04, 2013