71M6521DE/71M6521FE
Energy Meter IC
DATASHEET
JANUARY 2008
External interrupt 0
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
0x0003
IE0
External interrupt 0
Timer 0 interrupt
TF0
0x000B
IE1
External interrupt 1
Timer 1 interrupt
0x0013
TF1
0x001B
RI0/TI0
RI1/TI1
IEX2
IEX3
IEX4
IEX5
IEX6
Serial channel 0 interrupt
Serial channel 1 interrupt
External interrupt 2
External interrupt 3
External interrupt 4
External interrupt 5
External interrupt 6
0x0023
0x0083
0x004B
0x0053
0x005B
0x0063
0x006B
Table 53: Interrupt Vectors
v1.0
© 2005-2008 TERIDIAN Semiconductor Corporation
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