Table 85. Exti Register Map And Reset Values - STMicroelectronics STM32WLEx Reference Manual

Extended interrupts and event controller (EXTI)
Bit 2 EM2: wakeup with event generation mask on event input 2
Bit 1 EM1: wakeup with event generation mask on event input 1
Bit 0 EM0: wakeup with event generation mask on event input 0
14.6.11 EXTI interrupt mask register (EXTI_IMR2)
Address offset: 0x090
Reset value: 0x0000 0000
31 30 29
Res. Res. Res. Res.
15 14 13
Res. IM46 IM45 IM44
rw rw
Bits 31:15 Reserved, must be kept at reset value.
Bit 14 IM46: wakeup with interrupt mask on event input 46
Bit 13 IM45: wakeup with interrupt mask on event input 45
Bit 12 IM44: wakeup with interrupt mask on event input 44
Bit 11 IM43: wakeup with interrupt mask on event input 43
Bit 10 IM42: wakeup with interrupt mask on event input 42
Bits 9:7 Reserved, must be kept at reset value.
Bit 6 IM38: wakeup with interrupt mask on event input 38
Bits 5:3 Reserved, must be kept at reset value.
Bit 2 IM34: wakeup with interrupt mask on event input 34
Bits 1:0 Reserved, must be kept at reset value.
14.6.12 EXTI register map
Offset Register name
EXTI_RTSR1
0x000
Reset value
EXTI_FTSR1
0x004
Reset value
EXTI_SWIER1
0x008
Reset value
418/1306
28 27 26 25
Res. Res. Res.
12 11 10 9
IM43 IM42 Res.
rw rw rw
0: Wakeup with interrupt request from line 46 is masked.
1: Wakeup with interrupt request from line 46 is unmasked.

Table 85. EXTI register map and reset values

24 23 22
Res. Res. Res.
8 7 6
Res. Res. IM38
rw
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
RM0461 Rev 5
21 20 19 18
Res. Res. Res. Res.
5 4 3 2
Res. Res. Res. IM34
rw
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
RM0461
17 16
Res. Res.
1 0
Res. Res.
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0