Datasheet
C505/C505C/C505A/C505CA
Data Sheet 43 12.00
Figure 21
Interrupt Structure, Overview Part 1
Note: Each of the 15 CAN controller message objects (C505C and C505CA only), shown in the
shaded area of Figure 21 provides the bits/flags.
EA
ET0
IP1.1
IP0.1
IADC
EADC
EX0
IP1.0 IP0.0
IE0
IEN0.0
TCON.1
0003
H
H
0043
H
000B
H
004B
IEN1.0
IRCON.0
IEN1.1
IEN0.1
A / D Converter
IEN0.7
Highest
Priority Level
Lowest
Priority Level
P
o
l
l
i
n
g
S
e
q
u
e
n
c
e
MCB03303
IT0
TCON.5
TF0
TCON.0
P3.2 /
INT0
Overflow
Timer 0
Bit addressable
Request flag is cleared by hardware
>1
IRCON.1
C505C and C505CA Only
ECAN
SWI
MCR0.5 / 4
MCR0.3 / 2
Receive
Message
Transmit
Message
Error
Status
MCR0.0 / 1
INTPND
CR.1CR.3
RXIE
TXIE
>1
EIE
CR.2
SIE
>1
IE
CAN Controller Interrupt Sources
ECAN










