System configuration controller (SYSCFG) RM0453
434/1461 RM0453 Rev 1
11.2.6 SYSCFG external interrupt configuration register 4
(SYSCFG_EXTICR4)
Address offset: 0x014
Reset value: 0x0000 0000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
Res. EXTI15[2:0] Res. EXTI14[2:0] Res. EXTI13[2:0] Res. EXTI12[2:0]
rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:15 Reserved, must be kept at reset value.
Bits 14:12 EXTI15[2:0]: EXTI15 configuration bits
These bits are written by software to select the source input for the EXTI15 external interrupt.
000: PA15 pin
001: PB15 pin
010: PC15 pin
011: Reserved
100: Reserved
101: Reserved
110: Reserved
111: Reserved
Bit 11 Reserved, must be kept at reset value.
Bits 10:8 EXTI14[2:0]: EXTI14 configuration bits
These bits are written by software to select the source input for the EXTI14 external interrupt.
000: PA14 pin
001: PB14 pin
010: PC14 pin
011: Reserved
100: Reserved
101: Reserved
110: Reserved
111: Reserved
Bit 7 Reserved, must be kept at reset value.
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