C517A_99 Datasheet, PDF (173/218 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

Interrupt System
C517A
P3.3/
INT1
IT1
TCON.2
Match in CM0-CM7
P1.0/
INT3/
CC0
I3FR
T2CON.5
IE1
TCON.3
EX1
IEN0.2
0013 _H
ICMP0-7
IRCON1.0-7 ^ECMP
IEN2.2
0093 _H
Highest
Priority Level
Lowest
Priority Level
IEX3
IRCON0.2 ^EX3
IEN1.2
0053 _H
IP1.2 IP0.2
Timer 1
Overflow
TF1
TCON.7
ET1
IEN0.3
001B _H
Compare Timer
Overflow
P1.1/
INT4/
CC1
Bit addressable
Request Flag is
cleared by hardware
CTF
CTCON.3 ^ECT
IEN2.3
009B _H
IEX4
IRCON0.3 ^EX4
IEN1.3
005B _H
EAL IP1.3 IP0.3
IEN0.7
MCS03334
Figure 7-2 :
Interrupt Structure, Overview Part 2
Semiconductor Group
7-3