RM0440 Rev 4 449/2126
RM0440 Extended interrupts and events controller (EXTI)
460
Figure 36. External interrupt/event GPIO mapping
The EXTI lines are connected as shown in Table 98: EXTI lines connections.
Table 98. EXTI lines connections
EXTI line Line source Line type
0-15 GPIO configurable
16 PVD configurable
17 RTC alarm event configurable
18 USB Device FS wakeup event direct
19 Timestamp or CSS_LSE configurable
20 RTC wakeup timer configurable
MSv48953V1
EXTI0
EXTI15[3:0] bits in the SYSCFG_EXTICR4 register
. . .
EXTI1[3:0] bits in the SYSCFG_EXTICR1 register
EXTI0[3:0] bits in the SYSCFG_EXTICR1 register
EXTI1
EXTI15
PA0
PB0
PD0
PE0
PF0
PG0
PC0
PA1
PG1
PF1
PE1
PD1
PC1
PB1
PA15
PB15
PC15
PD15
PE15
PF15
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