C515A_9708 Datasheet, PDF (123/182 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

Interrupt System
C515A
P3.2
INT0
IT0
TCON.0
A / D Converter
IE0
TCON.1
EX0
IEN0.0
0003 _H
IADC
IRCON.0 EADC
0043 _H
IEN1.0
IP1.0 IP0.0
Timer 0
Overflow
P1.4 /
NT2
I2FR
T2CON.5
TF0
TCON.5
ET0
IEN0.1
000B _H
IEX2
IRCON.1 EX2
004B _H
IEN1.1
IP1.1 IP0.1
P3.3 /
INT1
P1.0 /
INT3
CC0
IT1
TCON.2
I3FR
T2CON.6
Bit addressable
IE1
TCON.3
EX1
IEN0.2
0013 _H
IEX3
IRCON.2 EX3
0013 _H
IEN1.2
EAL IP1.2 ^IP0.2
IEN0.7
Request flag is cleared by hardware
Highest
Priority Level
Lowest
Priority Level
P
o
l
l
i
n
g
S
e
q
u
e
n
c
e
MCB03248
Figure 7-1
Interrupt Structure, Overview Part 1
Semiconductor Group
7-2
1997-08-01