Exti Main Features - ST STM32F446 Series Reference Manual

Advanced arm-based 32-bit mcus

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Interrupts and events

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 STM32F446xx datasheets for details on

this parameter.

Table 38. Vector table for STM32F446xx (continued)

FMPI2C1 error

RM0390 Rev 4

SPI 4 global interrupt

SAI1 global interrupt

SAI2 global interrupt

QuadSPI global interrupt

HDMI-CEC global interrupt

SPDIF-Rx global interrupt

FMPI2C1 event interrupt

FMPI2C1 error interrupt

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