R5F21133DFP RENESAS [Renesas Technology Corp], R5F21133DFP Datasheet - Page 70

• Manufacturer Part Number: R5F21133DFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY/R8C/Tiny SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

R8C/13 Group
Rev.1.20
REJ09B0111-0120
Figure 10.9 Interrupts Priority Select Circuit
• Interrupt Priority Resolution Circuit
Jan 27, 2006
The interrupt priority resolution circuit is used to select the interrupt with the highest priority among
those requested.
Figure 10.9 shows the Interrupts Priority Select Circuit.
P r i o r i t y l e v e l o f e a c h i n t e r r u p t
O s c i l l a t i o n s t o p d e t e c t i o n
U A R T 1 t r a n s m i s s i o n
U A R T 0 t r a n s m i s s i o n
Voltage detection
UART1 reception
UART0 reception
A d d r e s s m a t c h
Watchdog timer
A/D conversion
C o m p a r e 0
C o m p a r e 1
Key input
Timer C
Timer Y
Timer Z
T i m e r X
I f l a g
page 59 of 205
I N T 1
I N T 2
INT3
INT0
I P L
L e v e l 0 ( d e f a u l t v a l u e )
L o w e s t
Highest
P r i o r i t y o f p e r i p h e r a l f u n c t i o n i n t e r r u p t s
( i f p r i o r i t y l e v e l s a r e s a m e )
I n t e r r u p t r e q u e s t l e v e l
r e s o l u t i o n o u t p u t s i g n a l
a c c e p t e d
I n t e r r u p t
r e q u e s t
10.1 Interrupt Overview