Datasheet
71M6543F/71M6543G Data Sheet   
44    v2 
Table 36: Interrupt Polling Sequence 
External interrupt 0 
Polling sequence 
Serial channel 1 interrupt 
Timer 0 interrupt 
External interrupt 2 
External interrupt 1 
External interrupt 3 
Timer 1 interrupt 
External interrupt 4 
Serial channel 0 interrupt 
External interrupt 5 
External interrupt 6 
Interrupt Sources and Vectors 
Table 37 shows the interrupts with their associated flags and vector addresses. 
Table 37: Interrupt Vectors 
Interrupt  
Request Flag 
Description 
Interrupt Vector 
Address 
IE0 
External interrupt 0 
0x0003 
TF0 
Timer 0 interrupt 
0x000B 
IE1 
External interrupt 1 
0x0013 
TF1 
Timer 1 interrupt 
0x001B 
RI0/TI0 
Serial channel 0 interrupt 
0x0023 
RI1/TI1 
Serial channel 1 interrupt 
0x0083 
IEX2 
External interrupt 2 
0x004B 
IEX3 
External interrupt 3 
0x0053 
IEX4 
External interrupt 4 
0x005B 
IEX5 
External interrupt 5 
0x0063 
IEX6 
External interrupt 6 
0x006B 










