ST & T UPSD3212C - Manual (Page 35)

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uPSD3212A, uPSD3212C, uPSD3212CV
Figure 16. Interrupt System
AI07427b
INT0
USART
Timer
0
I2C
INT1
Timer
1
2nd
USART
Timer
2
High
Low
Interrupt Polling
Interrupt
Sources IE / IP / IPA Priority
Global
Enable
USB