C517A_99 Datasheet, PDF (172/218 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

Interrupt System
C517A
P3.2/
INT0
IT0
TCON.0
UART 1
RI1
S1CON.0
TI1
S1CON.1
IE0
TCON.1
EX0
IEN0.0
0003 _H
1
ES1 ⁰⁰⁸³ H
IEN2.0
A/D Converter
IADC
IRCON0.0 ^EADC
IEN1.0
0043 _H
IP1.0 IP0.0
Highest
Priority Level
Lowest
Priority Level
Timer 0
Overflow
P1.4/
INT2/
CC4
I2FR
T2CON.5
Bit addressable
Request Flag is
cleared by hardware
TF0
TCON.5
ET0
IEN0.1
000B _H
IEX2
IRCON0.1 ^EX2
IEN1.1
004B _H
EAL
IEN0.7
IP1.1 IP0.1
MCS03333
Figure 7-1
Interrupt Structure, Overview Part 1
Semiconductor Group
7-2