RM0453
16.6.13
EXTI register map
The following table gives the EXTI register map and reset values.
Offset Register name
EXTI_RTSR1
0x000
Reset value
EXTI_FTSR1
0x004
Reset value
EXTI_SWIER1
0x008
Reset value
EXTI_PR1
0x00C
Reset value
0x010-
Reserved
0x01C
EXTI_RTSR2
0x020
Reset value
EXTI_FTSR2
0x024
Reset value
EXTI_SWIER2
0x028
Reset value
EXTI_PR2
0x02C
Reset value
0x030-
Reserved
0x07C
EXTI_C1IMR1
0x080
Reset value
EXTI_C1EMR1
0x084
Reset value
0x08C
Reserved
EXTI_C1IMR2
0x090
Reset value
EXTI_C1EMR2
0x094
Reset value
0x098-
Reserved
0x0BF
EXTI_C2IMR1
0x0C0
Reset value
EXTI_C2EMR1
0x0C4
Reset value
0x0C8
Reserved
Table 97. EXTI register map and reset values
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Extended interrupts and event controller (EXTI)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reserved.
Reserved.
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reserved.
0
Reserved.
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reserved.
RM0453 Rev 1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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