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RM0402 Rev 6 191/1163

RM0402 System configuration controller (SYSCFG)

194

8.2.6 SYSCFG external interrupt configuration register 4

(SYSCFG_EXTICR4)

Address offset: 0x14

Reset value: 0x0000 0000

8.2.7 SYSCFG configuration register 2 (SYSCFG_CFGR2)

Address offset: 0x1C

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.

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

EXTI15[3:0] EXTI14[3:0] EXTI13[3:0] EXTI12[3:0]

rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw

Bits 31:16 Reserved, must be kept at reset value.

Bits 15:0 EXTIx[3:0]: EXTI x configuration (x = 12 to 15)

These bits are written by software to select the source input for the EXTIx external

interrupt.

0000: PA[x] pin

0001: PB[x] pin

0010: PC[x] pin

0011: PD[x] pin

0100: PE[x] pin

0101: PF[x] pin

0110: PG[x] pin

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. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. PVDL Res. CLL

rw rw

Bits 31:3 Reserved, must be kept at reset value.

ST STM32F412 User Manual

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