DocID027558 Rev 2

23/27

AN4660

Peripheral migration

26

2.16

ADC

The STM32F74xxx/F75xxx devices embed the same ADC peripherals with the same

features except for external triggers in regular and injected channels.

Table 21 and Table 22 present the differences of external trigger for regular channels and

injected channels between STM32F42xxx/F43xxx and STM32F74xxx/F75xxx.

2.16.1

External trigger for regular channels

Table 21. External trigger for regular channel differences between

STM32F42xxx/F43xxx and STM32F74xxx/F75xxx

Type

EXTSEL[3:0]

Source

STM32F42xxx/F43xxx

STM32F74xxx/F75xxx

Internal signal

from on-chip

timers

0000

TIM1_CH1 event

TIM1_CC1 event

0001

TIM1_CH2 event

TIM1_CC2 event

0010

TIM1_CH3 event

TIM1_CC3 event

0011

TIM2_CH2 event

TIM2_CC2 event

0100

TIM2_CH3 event

TIM5_TRGO event

0101

TIM2_CH4 event

TIM4_CC4 event

0110

TIM2_TRGO event

TIM3_CC4

0111

TIM3_CH1 event

TIM8_TRGO event

1000

TIM3_TRGO event

TIM8_TRGO(2) event

1001

TIM4_CH4 event

TIM1_TRGO event

1010

TIM5_CH1 event

TIM1_TRGO(2) event

1011

TIM5_CH2 event

TIM2_TRGO event

1100

TIM5_CH3 event

TIM4_TRGO event

1101

TIM8_CH1 event

TIM6_TRGO event

1110

TIM8_TRGO event

NA

External pin

1111

EXTI line11