Peripheral migration

AN4660

14/27

DocID027558 Rev 2

2.6

Interrupt vectors

Table 10 presents the interrupt vector differences between STM32F42xxx/F43xxx and

STM32F74xxx/F75xxx.

2.7

External interrupt lines (EXTI)

Table 11 presents the EXTI line differences between STM32F42xxx/F43xxx and

STM32F74xxx/F75xxx.

Table 10. Interrupt vector differences between STM32F42xxx/F43xxx and

STM32F74xxx/F75xxx

Position

STM32F42xxx/F43xxx

STM32F74xxx/F75xxx

91

NA

SAI2

92

NA

QuadSPI

93

NA

LPTIM1

94

NA

HDMI-CEC

95

NA

I2C4_EV

96

NA

I2C4_ER

97

NA

SPDIFRX

Table 11. EXTI line differences between STM32F42xxx/F43xxx and

STM32F74xxx/F75xxx

EXTI line

STM32F42xxx/F43xxx

STM32F74xxx/F75xxx

0 to 15

16 external interrupt lines

16

PVD output

17

RTC alarm event

18

USB OTG FS wakeup event

19

Ethernet wakeup event

20

USB OTG HS (configured in FS) wakeup event

21

RTC tamper and TimeStamp events

22

RTC wakeup event

23

NA

LPTIM1 asynchronous event