Interrupts and events RM0401
202/771 RM0401 Rev 3
9.2.1 EXTI main features
The main features of the EXTI controller are the following:
• independent trigger and mask on each interrupt/event line
• dedicated status bit for each interrupt line
• generation of up to 23 software event/interrupt requests
• detection of external signals with a pulse width lower than the APB2 clock period. Refer
to the electrical characteristics section of the datasheets for details on this parameter.
96 103 settable I2C4_ER I2C4 error interrupt 0x0000 01C4
97 103 settable LPTIM1/EXTI23
LPTIM1 global interrupt or EXTI Line 23
interrupt
0x0000 01C8
Table 39. Vector table (continued)
Position
Priority
Type of
priority
Acronym Description Address
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