Datasheet

71M6521DE/DH/FE Data Sheet
Page: 36 of 107 Rev 3
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
Table 52: Interrupt Polling Sequence
Interrupt Sources and Vectors
Table 53 shows the interrupts with their associated flags and vector addresses.
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
Table 53: Interrupt Vectors