DocID024597 Rev 3 327/1693
RM0351 Extended interrupts and events controller (EXTI)
336
Figure 27. External interrupt/event GPIO mapping
The 40 lines are connected as shown in Table 43: EXTI lines connections.
Table 43. EXTI lines connections
EXTI line Line source
(1)
Line type
0-15 GPIO configurable
16 PVD configurable
17 OTG_FS wakeup event
(2)
direct
18 RTC alarms configurable
19
RTC tamper or timestamp or
CSS_LSE
configurable
20 RTC wakeup timer configurable
21 COMP1 output configurable
22 COMP2 output configurable
23 I2C1 wakeup
(2)
direct
06Y9
3$
3%
3&
3'
3(
3)
(;7,
(;7,>@ELWVLQWKH6<6&)*B(;7,&5UHJLVWHU
(;7,>@ELWVLQWKH6<6&)*B(;7,&5UHJLVWHU
(;7,>@ELWVLQWKH6<6&)*B(;7,&5UHJLVWHU
3*
3+
3$
3%
3&
3'
3(
3)
(;7,
3*
3+
3$
3%
3&
3'
3(
3)
(;7,
3*
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