Renesas rl78 User Manual

Page of 1004
 
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 
 
 
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Jul 04, 2013